ORIGIN

Inferior portion of the anterior superior iliac spine

 

INSERTION

Upper medial surface of tibial shaft at the tibial flare

 

ACTION

Assists with hip flexion, knee flexion, medial rotation of the knee, lateral rotation of the hip

 

INNERVATION

Anterior division of the femoral nerve (L3- 4)

 

PRIMARY JOINT

Acetabular femoral joint

Knee joint

 

KEY STRENGTH TRAINING EXERCISES

Isometric hip flexion

Captains chair

 

NEW STRENGTH TRAINING EXERCISES

Standing hip flexion using resistance bands

Quadricep stretch

 

COMMON INJURIES

Tear in muscle

Strain

Hyper-extension of acetabular femoral joint