15. Name, describe the origins and insertions and describe the actions of the main thigh and knee muscles

Question 1

5 muscles flexing the hip joint:

Answer 1

Psoas major
Iliacus
Pectineus
Rectus femoris
Sartorius

Question 2

Origin of psoas major:

Answer 2

Vertebral bodies of T12-L4
Intervertebral discs between T12-L4
Transverse processes of L1-L5

Question 3

Insertion of psoas major:

Answer 3

Lesser trochanter of femur as iliopsoas tendon

Question 4

2 actions of psoas major:

Answer 4

Hip joint
- Flexion of the thigh/trunk
- Lateral rotation of the thigh
- Lateral flexion of the trunk

Question 5

Origin of iliacus:

Answer 5

Iliac fossa

Question 6

Insertion of iliacus:

Answer 6

Lesser trochanter of femur

Question 7

Action of iliacus:

Answer 7

Hip joint:
Trunk/thigh flexion

Question 8

Origin of pectineus:

Answer 8

Superior pubic ramus (pectineal line of pubis)

Question 9

Insertion of pectineus:

Answer 9

Pectineal line of femur, lines aspera of femur

Question 10

5 actions of pectineus:

Answer 10

Hip joint:
- Thigh flexion
- Thigh adduction
- Thigh external rotation
- Thigh internal rotation
- Pelvis stabilisation

Question 11

Do a quiz game about the muscles of the thigh.

Answer 11

:-/

Question 12

Origin of rectus femoris:

Answer 12

Anterior inferior iliac spine
Supra acetabular groove

Question 13

Insertion of rectus femoris:

Answer 13

Tibial tuberocity (via patella ligament)
Patella

Question 14

2 actions of rectus femoris:

Answer 14

Hip joint:
Thigh flexion

Knee joint:
Leg extension

Question 15

Origin of sartorius:

Answer 15

Anterior superior iliac spine (ASIS)

Question 16

Insertion of sartorius:

Answer 16

Proximal end of tibia below medial condyle (via per anserinus)

Question 17

5 actions of sartorius:

Answer 17

Hip joint:
- Thigh flexion
- Thigh abduction
- Thigh external rotation

Knee joint:
- Leg flexion
- Leg internal rotation

Question 18

Muscle extending the hip joint:

Answer 18

• Gluteus maximus

Question 19

Origin of gluteus maximus:

Answer 19

Lateroposterior surface of sacrum and coccyx
Gluteal surface of ilium (behind posterior gluteal line)
Thoracolumbar fascia
Sacrotuberous ligament

Question 20

Insertion of gluteus maximus:

Answer 20

Iliotibial tract
Gluteal tuberocity of femur

Question 21

Do a quiz game about the muscles of the knee

Question 22

4 actions of gluteus maximus:

Answer 22

Hip joint:
- Thigh extension
- Thigh external rotation
- Thigh abduction (superior part)
- Thigh adduction (inferior part)

Question 23

Name 3 hamstrings:

Answer 23

• Semitendinosus
• Semimembranosus
• Biceps femoris