Origins, insertions and actions

Question 1

Masseter

Answer 1

O- lower border of zygomatic arch, I- lateral surface of mandible, A- elevates mandible

Question 2

Vastus intermedius

Answer 2

O- anterior surface of femur, I- tibial tuberosity, A-extends leg at knee

Question 3

Vastus medialis

Answer 3

O- medial surface of femur, I-tibial tuberosity, A-extends leg at knee

Question 4

Rectus Femoris

Answer 4

O-anterior superior iliac spine, I- tibial tuberosity, A-extends leg at knee

Question 5

Vastus Lateralis

Answer 5

O- greater trochanter and posterior surface of femur, I-tibial tuberosity, A-extends leg at knee

Question 6

Gastrocnemius

Answer 6

O- lateral & medial condyles of femur, I- calcaneus tendon, A- plantar flexion

Question 7

Supraspinatus

Answer 7

O-supraspinous fossa, I- greater tubercle, A-extends humerous

Question 8

Infraspinatus

Answer 8

O-infraspinous fossa, I- greater tubercle, A- lateral rotation

Question 9

Teres minor

Answer 9

O- lateral border of scapula, I- greater tubercle, A- lateral rotation

Question 10

Subscapularis

Answer 10

O- subscapularis fossa, I-lesser tubercle, A- medial rotation

Question 11

Biceps Femoris

Answer 11

O- Ischial tuberosity and posterior surface of femur, I- head of fibula and lateral condyle of tibia, A- flexes leg

Question 12

Semitendinosis

Answer 12

O- ischial tuberosity, I- anterior medial surface of tibia, A - flexes leg

Question 13

Psoas major

Answer 13

O- lumbar vertebrae, I- lesser trochanter, A- flexes thigh

Question 14

Sartorius

Answer 14

O- anterior superior iliac spine, I- medial to tibial tuberosity, A- flexes leg and thigh

Question 15

Semimembranosis

Answer 15

O- ischial tuberosity, I- medial condyle of tibia, A- flexes leg

Question 16

Sternocleidomastoid

Answer 16

O- sternum and clavicle, I- mastoid process, A- pulls head side to side

Question 17

Biceps brachi

Answer 17

O- coracoid process of scapula and superior to the glenoid cavity, I- radial tuberosity, A- flexes arm at elbow

Question 18

Superficial transverse perenei

Answer 18

O- ischial tuberosity, I- central, tendon, A- supports pelvic viscera

Question 19

Pectoralis minor

Answer 19

O- sternal ends of upper ribs, I- coracoid process of scapula, A- raises ribs

Question 20

Levator scapulae

Answer 20

O- transverse process of cervicle vertebrae, I- medial margin of scapula, A- elevates scapula

Question 21

Deltoid

Answer 21

O- spine of scapula and clavicle, I- deltoid tuberosity, A- extends humerous

Question 22

Teres major

Answer 22

O- lateral border of scapula, I- intertubecular groove, A- extends humerous