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Pectineus

Region

Origin & Insertion

['Origin: Superior pubic ramus', 'Insertion: Pectineal line of femur']

Synergistic Muscles

['Iliopsoas', 'Adductor longus']

Joints

['Hip']

Primary Actions

['Hip adduction', 'Hip flexion', 'Assists medial rotation']

Nerve & Spinal Segment

Femoral nerve (sometimes obturator nerve)

Lumbar plexus; L2–L3

Interesting

Hybrid innervation by femoral and sometimes obturator nerves. [Moore’s]

Reversal of Action

Draw pelvis forward and inward

Common Dysfunctions

Groin pain, hip flexor imbalance

How to Stretch

Deep side lunge with trunk upright.

Trigger Points

How to Strengthen

Ball squeeze and step-up with adduction.

Concentric Action

Flex and adduct hip

Applications:

Supports pelvic floor and hip flexion in functional stepping

Eccentric Action

Lower leg from forward adduction

Isotonic Action

Diagonal leg raises or resisted flex/adduction

Related Conditions

['Groin strain', 'Hip impingement']

Isometric Action

Hold leg at 30° flexion + adduction

Exercise Ideas

['Bridge with ball', 'Adductor machine', 'Diagonal leg raises']

Related Blogs

Images

Videos

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