Trigger Point Map Interactive Tool - Posterior Muscle View

Click on any of the blue dots located on the posterior view to learn about the specific trigger point locations: specific muscle, function, referred pain, possible causes, and possible symptoms. 

Interactive Dots

Disclaimer:

Trigger point locations are approximate and do not represent all possible trigger points and locations. The information provided is for educational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen on this website. 

Trigger Point Map Information

Suboccipital

Suboccipital Muscles:
Four small muscles at the base of the skull, responsible for head extension, rotation, lateral flexion, and stabilizing the atlanto-occipital and atlantoaxial joints.

Trigger Points:
Commonly located in the muscle belly at the base of the skull.

Referred Pain:
Headaches, neck pain, eye pain, upper back pain.

Causes:
Poor posture, repetitive strain, stress, injury, cold exposure.

Symptoms:

Headaches: Pain spreading from the back of the skull to the top of the head, temples, or behind the eyes.

Neck Pain: Deep, aching, or sharp pain at the back of the skull and upper neck, worsened by movement or prolonged stillness.

Eye Pain: Dull ache around or behind the eyes.

Upper Back Pain: Discomfort between the shoulder blades.

Tenderness: Sensitivity at the base of the skull, especially at trigger points.

Stiffness: Tightness in the neck and upper back, especially after inactivity.

Splenius Capitis

Splenius Capitis:
A deep neck muscle running from the upper thoracic spine (C7-T3) to the base of the skull, responsible for neck extension, rotation, lateral flexion, and stabilization.

Trigger Points:
Located along the muscle belly from C7-T3 to the base of the skull.

Referred Pain:
Neck pain, headaches, eye pain, upper back pain.

Causes:
Poor posture, repetitive strain, stress, injury, cold exposure.

Symptoms:

Neck Pain: Deep, aching, or sharp pain in the side and back of the neck, worsened by movement or prolonged stillness.

Headaches: Pain spreading from the neck to the back of the head, temples, or sides of the head.

Eye Pain: Dull ache around the eye on the affected side.

Upper Back Pain: Discomfort between the shoulder blades.

Tenderness: Sensitivity along the side and back of the neck, especially at trigger points.

Stiffness: Tightness in the neck, particularly after inactivity.

Levator Scapulae

Levator Scapulae:
A long, slender muscle extending from the cervical vertebrae (C1-C4) to the upper scapula, responsible for scapular elevation, downward rotation, neck flexion, rotation, and stabilization.

Trigger Points:
Common and can cause significant discomfort in the neck, shoulders, and upper back.

Referred Pain:
Neck pain, shoulder pain, upper back pain, headaches.

Causes:
Poor posture, repetitive strain, stress, injury, cold exposure.

Symptoms:

Neck Pain: Dull, throbbing, or sharp pain on the side of the neck, worsened by movement or prolonged stillness.

Shoulder Pain: Discomfort at the top of the shoulder, near the shoulder blade.

Upper Back Pain: Pain between the shoulder blades.

Headaches: Tension headaches radiating from the neck to the back of the head, temples, or sides.

Tenderness: Soreness along the side of the neck and near the shoulder blade, especially at trigger points.

Stiffness: Tightness in the neck and shoulders, particularly after prolonged inactivity.

Multifidus

Multifidus:
A series of deep muscles along the vertebral column from the sacrum to the cervical spine, essential for spinal stabilization, extension, rotation, and lateral flexion.

Trigger Points:
Found along the spine, often near the spinous processes.

Referred Pain:
Lower back, hip and buttock, mid and upper back, and neck pain.

Causes:
Poor posture, spinal instability, repetitive strain, injury, degenerative changes, lack of movement.

Symptoms:

Lower Back Pain: Deep, dull, or pulsing pain, worsened by bending backward, twisting, or prolonged sitting.

Mid and Upper Back Pain: Discomfort spreading between the shoulder blades.

Neck Pain: Tightness or pain, especially with turning or bending movements.

Hip and Buttock Pain: Pain radiating to the hips or buttocks, particularly while standing or walking.

Tenderness: Sensitivity along the spine, especially over trigger points.

Stiffness: Tightness in the back, especially after inactivity or upon waking.

Limited Mobility: Discomfort or difficulty with bending, twisting, or leaning movements.

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Trapezius (upper)

Upper Trapezius:
Extends from the base of the skull and cervical vertebrae to the clavicle and acromion, responsible for scapular elevation, upward rotation, neck extension, lateral flexion, and stabilization.

Trigger Points:
Common near the base of the skull, along the neck, and near the shoulder.

Referred Pain:
Neck, shoulder, upper back, headaches, arm pain.

Causes:
Stress, poor posture, repetitive strain, injury, cold exposure.

Symptoms:

Neck Pain: Deep, throbbing, or sharp pain, worsened by head tilting, bending, or prolonged stillness.

Shoulder Pain: Discomfort at the top of the shoulder, near the collarbone.

Upper Back Pain: Pain around the shoulder blade.

Headaches: Tension headaches radiating from the neck to the back of the head and temples.

Arm Pain: Pain traveling down the arm, especially when lifting or reaching.

Tenderness: Sensitivity in the neck and shoulder area.

Stiffness: Tightness in the neck and shoulders, especially after prolonged inactivity.

Supraspinatus

Supraspinatus:
Located in the supraspinous fossa of the scapula, it plays a key role in shoulder abduction, joint stabilization, and assists in external rotation.

Trigger Points:
Typically found in the muscle belly at the top of the shoulder blade.

Referred Pain:
Shoulder, upper back, upper arm, and wrist pain.

Causes:
Overuse, poor posture, shoulder injuries, muscle imbalances, trauma, chronic stress.

Symptoms:

Shoulder Pain: Dull, throbbing, or sharp pain, worsened by lifting, reaching, throwing, or pushing.

Upper Arm Pain: Discomfort, especially on the outer side of the upper arm.

Upper Back Pain: Pain near the shoulder blade, particularly with shoulder movements.

Wrist Pain: Pain during arm movements like lifting or reaching.

Tenderness: Sensitivity at the top of the shoulder, near the scapular spine.

Weakness: Reduced stability or strength, especially in lifting or reaching motions.

Limited Shoulder Mobility: Discomfort or difficulty with overhead reaching, abduction, or external rotation.

Trapezius (middle)

Middle Trapezius:
Located between the upper and lower trapezius, it is essential for scapular retraction, stabilization, and assists with elevation and depression.

Trigger Points:
Commonly found along the muscle belly between the shoulder blades.

Referred Pain:
Upper back, shoulder, arm, and neck pain.

Causes:
Poor posture, repetitive strain, muscle weakness, injury, carrying heavy loads.

Symptoms:

Upper Back Pain: Dull, throbbing pain between the shoulder blades, worsened by arm and shoulder movements.

Shoulder Pain: Discomfort, especially on the affected side.

Neck Pain: Tightness or discomfort, particularly with head or shoulder movements.

Arm Pain: Pain radiating down the arm, especially when lifting or reaching.

Tenderness: Sensitivity between the shoulder blades, especially over trigger points.

Limited Shoulder Mobility: Pain or difficulty pulling the shoulder blades together, such as during rowing or pulling exercises.

Infraspinatus

Infraspinatus:
Located on the back of the shoulder, below the scapular spine, it plays a key role in external rotation, shoulder stabilization, and assists in abduction and extension.

Trigger Points:
Commonly found in the muscle belly on the back of the shoulder blade.

Referred Pain:
Shoulder, upper back, arm, and chest pain.

Causes:
Overuse, poor posture, shoulder injuries, muscle imbalances, trauma, chronic stress.

Symptoms:

Shoulder Pain: Dull, throbbing, or sharp pain, worsened by lifting, rotating outward, throwing, or pushing.

Upper Back Pain: Discomfort around the shoulder blade.

Arm Pain: Pain radiating down the arm, especially during lifting or throwing motions.

Chest Pain: Discomfort in the front of the shoulder or upper chest.

Tenderness: Sensitivity at the back of the shoulder, near the scapula.

Weakness: Reduced stability or strength, especially in lifting or external rotation.

Limited Shoulder Mobility: Pain or difficulty with rotation, reaching behind the back, or overhead tasks.

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Rhomboid

Rhomboid:
Located between the shoulder blades and spine, responsible for scapular retraction, elevation, downward rotation, and stabilization.

Trigger Points:
Commonly found between the shoulder blades, near the spine.

Referred Pain:
Upper back, shoulder, neck, and arm pain.

Causes:
Poor posture, repetitive strain, muscle weakness, injury, carrying heavy loads.

Symptoms:

Upper Back Pain: Dull, throbbing pain between the shoulder blades, worsened by arm and shoulder movements.

Shoulder Pain: Discomfort, especially on the affected side.

Neck Pain: Tightness or discomfort, particularly with head or shoulder movements.

Arm Pain: Pain radiating down the arm, especially when lifting or reaching.

Tenderness: Sensitivity between the shoulder blades, especially over trigger points.

Limited Shoulder Mobility: Pain or difficulty pulling shoulders back or lifting them, such as during rowing or shrugging.

Teres Minor

Teres Minor:
A small, narrow muscle on the outer edge of the shoulder blade, working with the infraspinatus for external rotation, shoulder stabilization, and assisting in adduction.

Trigger Points:
Typically found in the muscle belly, just below the infraspinatus.

Referred Pain:
Shoulder, upper arm, forearm, and scapular pain.

Causes:
Overuse, poor posture, shoulder injuries, muscle imbalances, trauma, chronic stress.

Symptoms:

Shoulder Pain: Deep, aching, or sharp pain, worsened by throwing, reaching, or lifting.

Upper Arm Pain: Discomfort, especially on the outer side of the arm.

Forearm Pain: Pain traveling down the arm, particularly with lifting or pushing.

Scapular Pain: Discomfort around the shoulder blade.

Tenderness: Sensitivity at the back of the shoulder near the scapula.

Weakness: Shoulder instability, especially with lifting or external rotation.

Limited Shoulder Mobility: Pain or difficulty reaching behind the back or lifting overhead.

Deltoid (rear)

Rear Deltoid:
Located in the posterior deltoid, responsible for shoulder extension, horizontal abduction, external rotation, and stabilization.

Trigger Points:
Typically found in the muscle belly near its attachment to the scapula.

Referred Pain:
Shoulder, upper arm, upper back, and neck pain.

Causes:
Overuse, poor posture, muscle imbalances, shoulder injuries, trauma, chronic stress.

Symptoms:

Shoulder Pain: Dull, throbbing, or sharp pain at the back of the shoulder, worsened by lifting, reaching, or pulling.

Upper Arm Pain: Discomfort, especially at the back of the upper arm.

Upper Back Pain: Pain near the shoulder blade, particularly during shoulder movements.

Neck Pain: Stiffness or discomfort, especially with head or shoulder movement.

Tenderness: Soreness at the back of the shoulder, near the scapula, especially over trigger points.

Weakness: Shoulder instability, particularly during lifting or reaching movements.

Limited Shoulder Mobility: Pain or difficulty with lifting, reaching, pulling, or rowing motions.

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Latissimus Dorsi

Latissimus Dorsi:
A broad, flat muscle covering the lower back and extending up the sides of the torso, essential for shoulder extension, adduction, medial rotation, and torso stabilization.

Trigger Points:
Common near the lower ribs, shoulder blade, or side of the torso.

Referred Pain:
Shoulder, lower back, upper arm, and side pain.

Causes:
Overuse, poor posture, shoulder injuries, muscle imbalances, trauma, chronic stress.

Symptoms:

Lower Back Pain: Deep, aching, or sharp pain, worsened by lifting, pulling, or reaching.

Shoulder Pain: Discomfort in the back or side of the shoulder, especially with extension, adduction, or inward rotation.

Upper Arm Pain: Pain radiating down the inner arm.

Side Pain: Dull ache along the torso, aggravated by twisting or bending.

Tenderness: Sensitivity in the back, lower ribs, or side of the torso, especially over trigger points.

Weakness: Instability in the shoulder or back, particularly with extension or adduction.

Limited Mobility: Discomfort or difficulty with shoulder extension, adduction, or inward rotation, especially during pulling or rowing movements.

Triceps

Triceps:
A large muscle on the back of the upper arm with three heads (long, lateral, medial), responsible for elbow extension, shoulder extension and adduction, and shoulder stabilization.

Trigger Points:
Common in the muscle belly, near the shoulder blade attachment, and close to the elbow.

Referred Pain:
Upper arm, shoulder, forearm, and hand pain.

Causes:
Overuse, poor posture, muscle imbalances, shoulder injuries, trauma, chronic stress.

Symptoms:

Upper Arm Pain: Deep, throbbing, or sharp pain, worsened by push-ups or overhead lifts.

Shoulder Pain: Discomfort at the back of the shoulder, especially where the long head connects to the scapula.

Forearm Pain: Pain radiating down the forearm, especially during pushing or pressing movements.

Hand Pain: Ache in the hand, particularly affecting the ring and pinky fingers.

Tenderness: Sensitivity at the back of the upper arm, near the elbow or shoulder, especially over trigger points.

Weakness: Instability in the elbow or shoulder, particularly during elbow extension or pushing motions.

Limited Mobility: Difficulty with elbow extension in movements like push-ups, bench presses, or overhead lifts.

Longissimus Thoracis

Longissimus Thoracis:
A deep spinal muscle running through the thoracic and lumbar regions, essential for spinal extension, lateral flexion, rotation, and postural support.

Trigger Points:
Common in the mid to lower thoracic region.

Referred Pain:
Mid-back, lower back, side, buttock, and hip pain.

Causes:
Poor posture, overuse, spinal instability, injury, sedentary lifestyle, heavy lifting.

Symptoms:

Mid-Back Pain: Deep, aching pain worsened by bending, twisting, or lifting.

Lower Back Pain: Discomfort, particularly in the lumbar region.

Side Pain: Pain along the torso, aggravated by bending or twisting.

Buttock/Hip Pain: Radiating discomfort, especially when standing or walking.

Tenderness: Sensitivity in the mid and lower back, especially over trigger points.

Stiffness: Tightness in the back, particularly after prolonged sitting or upon waking.

Limited Spinal Mobility: Difficulty with bending, twisting, or lifting movements.

Extensor Carpi

Extensor Carpi:
A group of forearm muscles (extensor carpi radialis longus, extensor carpi radialis brevis, extensor carpi ulnaris) responsible for wrist extension, abduction, adduction, and stabilization.

Trigger Points:
Common near the outer elbow and along the forearm.

Referred Pain:
Forearm, wrist, hand, and elbow pain.

Causes:
Overuse, poor wrist positioning, muscle imbalances, trauma, chronic stress.

Symptoms:

Forearm Pain: Dull, throbbing, or sharp pain along the top of the forearm, worsened by wrist extension or gripping (e.g., typing, playing music, lifting).

Wrist Pain: Discomfort at the back of the wrist, especially near the thumb or little finger.

Hand Pain: Pain spreading to the back of the hand, especially during wrist movements.

Elbow Pain: Discomfort in the outer elbow, especially during gripping or wrist extension.

Tenderness: Sensitivity on the top of the forearm, particularly near the lateral epicondyle or wrist.

Weakness: Reduced strength or instability in the wrist or forearm, especially during wrist extension or gripping.

Limited Wrist Mobility: Difficulty with extension, abduction, or adduction in activities like typing, lifting, or playing instruments.

Extensor Digitorum

Extensor Digitorum:
A forearm muscle essential for finger and hand extension, wrist stabilization, and coordinated finger movement.

Trigger Points:
Common along the muscle belly on the back of the forearm.

Referred Pain:
Forearm, hand, finger, and wrist pain.

Causes:
Overuse, poor ergonomics, muscle imbalances, trauma, chronic stress.

Symptoms:

Forearm Pain: Deep, throbbing, or sharp pain along the back of the forearm, worsened by repetitive hand motions (e.g., typing, playing music, gripping).

Hand Pain: Discomfort on the back of the hand, especially near the finger bases.

Finger Pain: Pain radiating into the fingers, particularly during extension or gripping.

Wrist Pain: Dull ache or discomfort, especially during hand and finger movements.

Tenderness: Sensitivity along the back of the forearm, near the elbow or wrist, especially over trigger points.

Weakness: Instability or reduced strength in the hand and fingers, especially during extension or gripping.

Limited Hand Mobility: Difficulty with finger extension in tasks like typing, playing instruments, or gripping objects.

Anconeus

Anconeus:
A small triangular muscle at the back of the elbow, aiding in elbow extension, stabilization, and forearm rotation (pronation and supination).

Trigger Points:
Common along the muscle belly near the lateral epicondyle.

Referred Pain:
Forearm, wrist, and elbow pain.

Causes:
Repetitive strain, overuse, trauma, poor ergonomics.

Symptoms:

Elbow Pain: Deep, aching, or sharp pain at the back and outer elbow, worsened by extension or rotation (e.g., typing, lifting, sports like tennis or golf).

Forearm Pain: Discomfort at the back of the forearm, especially near the elbow.

Wrist Pain: Pain radiating to the wrist, especially during forearm rotation or gripping.

Tenderness: Sensitivity near the lateral epicondyle, particularly over trigger points.

Weakness: Instability or reduced strength in the elbow, especially with extension or rotation.

Limited Elbow Mobility: Discomfort or difficulty with extending or rotating the elbow in activities like lifting, typing, or playing sports.

Flexor Carpi Ulnaris

Flexor Carpi Ulnaris:
Located on the inner (ulnar) side of the forearm, responsible for wrist flexion, adduction, and stabilization.

Trigger Points:
Common along the muscle belly, from the inner elbow down to the pinky finger.

Referred Pain:
Forearm, hand, and wrist pain.

Causes:
Overuse, poor ergonomics, muscle imbalances, trauma, chronic stress.

Symptoms:

Forearm Pain: Dull, throbbing, or sharp pain along the inner forearm, worsened by wrist flexion or sideways movement (e.g., typing, gripping, tool use).

Wrist Pain: Discomfort near the pinky side of the wrist.

Hand Pain: Pain extending into the hand, especially along the pinky and ulnar side.

Tenderness: Sensitivity along the inner forearm, near the elbow or wrist, particularly over trigger points.

Weakness: Instability in the wrist or hand, especially during gripping or bending motions.

Limited Hand Mobility: Difficulty with wrist flexion or side movements, affecting tasks like typing, holding objects, or tool use.

Iliocostalis Lumborum

Iliocostalis Lumborum:
The lower portion of the iliocostalis muscle, extending from the pelvis to the lower ribs, essential for spinal extension, lateral flexion, and postural support.

Trigger Points:
Found along the muscle’s length.

Referred Pain:
Lower back, buttock, hip, chest, or abdominal pain.

Causes:
Overuse, poor posture, muscle imbalances, prolonged sitting or standing, injury, sedentary lifestyle.

Symptoms:

Mid-Back Pain: Deep, aching pain worsened by bending, twisting, or lifting.

Lower Back Pain: Discomfort, especially in the lumbar region.

Side Pain: Pain along the torso, aggravated by bending or twisting.

Buttock/Hip Pain: Pain radiating to the buttocks or hips, especially while standing or walking.

Tenderness: Sensitivity in the mid and lower back, especially over trigger points.

Stiffness: Tightness in the back, particularly after prolonged sitting or upon waking.

Limited Spinal Mobility: Difficulty with bending, twisting, or lifting movements.

Gluteus Medius

Gluteus Medius:
Located between the gluteus maximus and gluteus minimus, crucial for hip abduction, medial rotation, and hip stabilization.

Trigger Points:
Common in the upper outer portion of the buttock.

Referred Pain:
Buttock, hip, lower back, and leg pain.

Causes:
Overuse, prolonged sitting or standing, muscle imbalances, poor posture, injury.

Symptoms:

Hip Pain: Deep, aching pain on the outer hip, worsened by walking, running, or climbing stairs.

Lower Back Pain: Discomfort near the sacroiliac joint.

Buttock Pain: Pain that may spread to the lower back or sacrum.

Leg Pain: Pain radiating down the outer thigh, sometimes reaching the knee.

Tenderness: Sensitivity in the outer hip or buttock, especially over trigger points.

Stiffness: Tightness in the hip, especially after prolonged sitting or upon waking.

Limited Hip Mobility: Difficulty with hip abduction or rotation in activities like walking, running, or stair climbing.

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Quadratus Lumborum (QL)

Quadratus Lumborum (QL):
A deep lower back muscle on either side of the spine, essential for lateral flexion, hip hiking, spinal extension, and stabilization.

Trigger Points:
Located deep within the muscle, just above the hip bone.

Referred Pain:
Lower back, buttock, hip, and abdominal pain.

Causes:
Poor posture, overuse, muscle imbalances, leg length discrepancy, injury, prolonged sitting or standing.

Symptoms:

Lower Back Pain: Dull, aching pain worsened by bending, twisting, or lifting.

Hip Pain: Discomfort, especially on the affected side.

Buttock Pain: Pain spreading to the buttocks, especially while standing or walking.

Abdominal Pain: Discomfort in the lower abdomen or groin, particularly on the affected side.

Tenderness: Sensitivity in the lower back and hip, especially over trigger points.

Stiffness: Tightness in the lower back, particularly after prolonged sitting or upon waking.

Limited Spinal Mobility: Difficulty with bending sideways, twisting, or lifting movements.

Extensor Indicis

Extensor Indicis:
A small but essential muscle on the back of the forearm, responsible for index finger extension, assisting wrist extension, and enabling independent finger movement.

Trigger Points:
Found along the muscle belly near the wrist, extending toward the back of the hand.

Referred Pain:
Index finger, hand, and wrist pain.

Causes:
Overuse, poor ergonomics, muscle imbalances, trauma, chronic stress.

Symptoms:

Index Finger Pain: Deep, throbbing, or sharp pain, worsened by typing, gripping, or playing instruments.

Hand Pain: Discomfort on the back of the hand, especially near the index finger’s base.

Wrist Pain: Dull ache, particularly during finger extension or gripping.

Tenderness: Sensitivity on the back of the forearm, wrist, or index finger’s base.

Weakness: Reduced stability in the index finger or hand, especially during precise movements.

Limited Finger Mobility: Difficulty extending the index finger in tasks like typing, pointing, or using tools.

Gluteus Minimus

Gluteus Minimus:
The smallest and deepest gluteal muscle, located beneath the gluteus medius, essential for hip abduction, medial rotation, and pelvic stabilization.

Trigger Points:
Found deep in the buttock near the top of the hip bone.

Referred Pain:
Buttock, hip, and leg pain.

Causes:
Overuse, prolonged sitting, muscle imbalances, injury, poor movement patterns.

Symptoms:

Hip Pain: Deep, aching pain worsened by leg movement or prolonged sitting.

Buttock Pain: Discomfort that may spread to the lower back or outer thigh.

Leg Pain: Pain radiating down the side of the thigh, sometimes reaching the knee or ankle.

Tenderness: Sensitivity in the hip or buttock, particularly over trigger points.

Stiffness: Tightness in the hip, especially after sitting for long periods or upon waking.

Limited Hip Mobility: Difficulty with hip abduction or rotation in activities like walking, running, or climbing stairs.

Piriformis

Piriformis:
A small, pear-shaped muscle deep in the buttock, beneath the gluteus maximus, involved in hip external rotation, abduction, stabilization, and closely associated with the sciatic nerve.

Trigger Points:
Located in the muscle belly, near where it crosses the sciatic nerve.

Referred Pain:
Buttock, hip, leg, and lower back pain.

Causes:
Prolonged sitting, overuse, trauma, muscle imbalances, poor posture, sciatic nerve irritation.

Symptoms:

Leg Pain: Radiating pain down the back of the thigh, sometimes reaching the calf or foot.

Hip Pain: Discomfort in the outer hip, possibly spreading to the side of the thigh.

Lower Back Pain: Pain due to pelvic misalignment caused by piriformis tightness.

Numbness/Tingling: "Pins and needles" sensation in the buttocks or down the leg.

Tenderness: Sensitivity in the buttock, especially over trigger points.

Limited Hip Mobility: Difficulty with hip rotation or abduction, affecting activities like standing, walking, or crossing the legs.

Gluteus Maximus

Gluteus Maximus:
The largest and most superficial gluteal muscle, forming the bulk of the buttocks, essential for hip extension, lateral rotation, abduction, and pelvic stabilization.

Trigger Points:
Common in the upper and lower portions of the muscle.

Referred Pain:
Buttock, lower back, thigh, hip, and leg pain.

Causes:
Prolonged sitting, overuse, poor posture, muscle weakness, injury, improper movement patterns.

Symptoms:

Buttock Pain: Deep, dull, or pulsing pain, worsened by hip extension or prolonged sitting.

Lower Back Pain: Discomfort, especially around the sacroiliac joint.

Thigh & Leg Pain: Pain radiating down the back of the thigh, sometimes reaching the calf.

Hip Pain: Outer hip discomfort spreading to the thigh.

Tenderness: Soreness in the buttocks, especially over trigger points.

Stiffness: Tightness, particularly after prolonged sitting or in the morning.

Limited Hip Mobility: Difficulty with hip extension and rotation, affecting activities like standing up, walking, or climbing stairs.

Biceps Femoris

Biceps Femoris:
A key hamstring muscle located at the back of the thigh, responsible for knee flexion, hip extension, lateral rotation, and stabilization.

Trigger Points:
Common in the long head, along the back of the thigh.

Referred Pain:
Thigh, knee, lower back, and calf pain.

Causes:
Overuse, sudden movements, poor warm-up, muscle imbalances, injury, postural issues.

Symptoms:

Thigh Pain: Sharp, dull, or pulsing pain in the back of the thigh, worsened by walking, running, or stair climbing.

Knee Pain: Discomfort in the back and sides of the knee, especially with bending or straightening.

Lower Back Pain: Pain due to muscle tightness affecting pelvic alignment.

Calf Pain: Discomfort, especially during push-off movements.

Tenderness: Sensitivity in the back of the thigh, particularly over trigger points.

Stiffness: Tightness, especially after prolonged sitting or upon waking.

Limited Leg Mobility: Difficulty with knee bending and hip extension, affecting activities like standing up, walking, or running.

Semitendinosus & Semimembranosus

Semitendinosus & Semimembranosus:
Two of the three hamstring muscles located at the back of the thigh, responsible for knee flexion, hip extension, medial (internal) rotation, and postural stability.

Trigger Points:

Semitendinosus: Found in the middle to upper part of the thigh.

Semimembranosus: Located deeper, near the inner thigh.

Referred Pain:
Thigh, knee, lower back, and inner thigh pain.

Causes:
Overuse, sudden movements, poor warm-up, muscle imbalances, injury, postural issues.

Symptoms:

Thigh Pain: Sharp, dull, or pulsing pain in the back and inner thigh, worsened by knee bending or hip extension (e.g., walking, running, climbing stairs).

Knee Pain: Discomfort in the back and inner knee, especially during bending or straightening.

Lower Back Pain: Pain due to tightness affecting pelvic alignment.

Inner Thigh Pain: Pain radiating along the inner thigh, sometimes reaching the knee.

Tenderness: Sensitivity in the back and inner thigh, especially over trigger points.

Stiffness: Tightness in the back of the thigh, particularly after prolonged sitting or upon waking.

Limited Leg Mobility: Difficulty with knee bending and hip extension, affecting activities like standing up, walking, or running.

Gastrocnemius

Gastrocnemius:
The most prominent calf muscle, located on the back of the lower leg, with two heads (medial and lateral), responsible for plantar flexion, knee flexion, and propulsion.

Trigger Points:
Typically found in the muscle belly of the medial (inner) or lateral (outer) head.

Referred Pain:
Calf, foot, heel, and knee pain.

Causes:
Overuse, prolonged standing or walking, improper footwear, dehydration, muscle fatigue, imbalances, injury.

Symptoms:

Calf Pain: Sharp or throbbing pain, worsened by walking, running, or stair climbing.

Heel Pain: Discomfort, especially when walking or running.

Foot Pain: Arch discomfort during standing or walking.

Knee Pain: Pain at the back of the knee, especially with running or squatting.

Tenderness: Soreness in the calf, especially at trigger points.

Stiffness: Tightness, particularly after prolonged sitting or in the morning.

Limited Calf Mobility: Difficulty standing on tiptoes or pushing off while running.

Soleus

Soleus:
A deep calf muscle located beneath the gastrocnemius, essential for plantar flexion, postural stability, and slow movement support.

Trigger Points:
Typically found in the middle to lower part of the calf along the muscle's length.

Referred Pain:
Calf, heel, and lower calf pain.

Causes:
Overuse, prolonged standing or walking, improper footwear, dehydration, muscle fatigue, imbalances.

Symptoms:

Calf Pain: Deep, throbbing pain, worsened by walking, running, or stair climbing.

Heel Pain: Discomfort, especially when bearing weight on the heel.

Lower Back Pain: Can occur due to tightness affecting posture.

Tenderness: Soreness in the calf, especially over trigger points.

Stiffness: Tightness, particularly after prolonged sitting or upon waking.

Limited Calf Mobility: Difficulty with plantar flexion, such as standing on tiptoes or pushing off while running.