Hip flexors

Question 1

What is the origin, insertion and action for Ilio Psoas

Answer 1

Origin - conjoined muscle of Psoas major tendon and illiacus muscle
Insertion - lesser trochanter
Action - hip flexion/trunk flexion at hip

Question 2

What is the origin, insertion and action for Pectinius

Answer 2

Origins - superior pubic Ramus
Insertion - lesser trochanter to the Linea aspera (pectineal line)
Action - flexes and adducts the thigh

Question 3

What is the origin, insertion and action for Rectus femoris (quadriceps)

Answer 3

Origin - the long head (straight)comes from the anterior inferior iliac spine. The short head (reflected) comes from the ilium above the acetabulum
Insertion - quadriceps tendon of the patella
Action - extends the knee and flexes the hip

Question 4

What is the origin, insertion and action for Sartorius

Answer 4

Origin - anterior super iliac spine
Insertion - anterior medial surface of proximal tibia
Action - flexes, abducts, laterally rotates the thigh.
Also medically rotates the flexed knee

Question 5

Name the muscles for hip flexion

Answer 5

Psoas Major 
Sartorius 
Illiacus 
Pectinius 
Rectus femoris 
Gracilis

Question 6

What are the limits in muscles for hip flexion

Answer 6

Soft tissue apposition and tension in hamstrings