ILIACUS

ORIGIN

Superior two-thirds of the internal surface of the iliac fossa, the inner lip of the iliac crest, the ventral surface of the sacroiliac and iliolumbar ligaments, and the upper surface of the lateral part of the sacrum

 

INSERTION

The lesser trochanter of the femur after being joined by the tendon of psoas major. The conjoined tendon passes under the inguinal ligament to enter the thigh

 

ACTION

Flexion of thigh at hip, assists in extension of the lumbar spine

 

INNERVATION

Femoral nerve (L2, 3)

 

PRIMARY JOINT

Acetabular femoral joint

 

KEY STRENGTH TRAINING EXERCISES

Hip flexor stretch

Isometric hip flexion

 

NEW STRENGTH TRAINING EXERCISES

Standing hip flexion with resistance band

 

COMMON INJURIES

Sprain/strain

Tears in muscle

Pain in lower back