1

What are the primary muscles involved in hip flexion?

Psoas major and iliacus.

What role does the rectus femoris play in hip flexion?

It acts as a synergist.

What is the origin of the psoas major?

Transverse processes of L1-5 and bodies of T12-L5.

What is the action of the iliacus muscle?

Flexes and medially rotates the hip.

How does knee position affect hip flexion range of motion?

Knee flexed limits motion due to thigh contact; knee extended limits due to hamstring tension.

What nerve innervates the psoas major?

Nerve root from L2,4.

What is the range of motion for hip flexion?

0-120 and 130 degrees.

What factors limit hip flexion with the knee extended?

Tension of hamstring muscles.

What is the insertion point of the iliacus?

Lower most surface of lesser trochanter of femur.

What is the role of anterior abdominal muscles during hip flexion?

They fix the lumbar spine and pelvis.

What is the patient position for a fair grade test?

Sitting with legs over the edge of the table.

How does the therapist stabilize the pelvis during a fair grade test?

By pressing down on the iliac crest.

What command is given for a fair grade test?

Raise up your leg vertically towards your chest.

What distinguishes a grade 4 resistance from a grade 5 resistance?

Grade 5 includes maximum resistance throughout the range.

What is the patient position for a poor grade test?

Side lying with the affected leg down.

What is the therapist's position during a poor grade test?

Standing behind the patient.

What is the patient position for trace and zero grades?

Supine with both legs extended.

What does the therapist do during a trace and zero grade test?

Palpates contraction in the psoas major.

What command is given for a trace and zero grade test?

Try to pull your leg towards your chest.