Lab Final Exam

Question 1

 Masseter

Answer 1

Function: elevates the mandible

Question 2

Sternocleidomastoid

Answer 2

Function: flexes the neck and extends the head

Question 3

Trapezius

Answer 3

Function: flexes head and neck, extend and hyperextend the head and neck

Question 4

Latissimus dorsi

Answer 4

Function: adduct, medially rotate and extend the shoulder

Question 5

Adductor Magnus

Answer 5

Function: Extension at the hip; No movement at the knee

Question 6

Rectus abdominis

Answer 6

Function: Flexes vertebral column; compression

Question 7

Pectoralis major

Answer 7

Function: shoulder flexion, shoulder adduction, medial rotation

Question 8

Deltoid

Answer 8

Function: shoulder *abduction, *flexion, *extension

Question 9

Tensor fasciae latae

Answer 9

Function: HIP abduction, HIP lateral rotation, HIP flexion, HIP Medial rotation

; no movement at the knee

Question 10

Pectineus

Answer 10

Function: HIP adduction and flexion; no movement at the knee

Question 11

Adductor longus

Answer 11

Function: Hip adduction and medial rotation; No movement at the knee

Question 12

Tibialis anterior

Answer 12

Function: ankle dorsiflexion and inversion

Question 13

psoas major (psoas major + iliacus = iliopsoas)

Answer 13

Function: Flexion at the hip; no movement at the knee

Question 14

Gluteus maximus

Answer 14

Function: hip extension, adduction, lateral rotation; no movement at the knee

Question 15

Gluteus medius

Answer 15

Function: hip abduction, flexion, medial rotation; no movement at the knee

Question 16

Brachialis

Answer 16

Function: No movement at the shoulder; flexion

Question 17

Triceps brachii

Answer 17

Origin: long-head glenoid fossa, lateral head posterior shaft of humerus, medial head distal posterior humerus.

Insertion: olecranon

Function: elbow extension, shoulder extension

Question 18

Biceps brachii

Answer 18

Origin: long-haired superior glenoid fossa, short haired coracoid process

Insertion: radial tuberosity

Function: elbow flexion, shoulder flexion

Question 19

Rectus femoris

Answer 19

Origin: anterior inferior iliac spine

Insertion: tibial tuberosity

Function: Flexion at the hip; extension at the knee.

Question 20

Vastus lateralis

Answer 20

Origin: greater trochanter

Insertion: tibial tuberosity

Function: No movement at the hip; extension of the knee

Question 21

Vastus medialis

Answer 21

Origin: linea aspera

Insertion: tibial tuberosity

Function: No movement at the hip; extension of the knee

Question 22

Biceps femoris

Answer 22

Origin: ischial tuberosity and femur

Insertion: tibial and fibula

Function: flexes knee joint, laterally rotates knee joint, extends hip

Question 23

Semitendinosus

Answer 23

Origin: ischial tuberosity

Insertion: proximal tibia

Function: hip extension, medial rotation, knee flexion

Question 24

Semimembranosus

Answer 24

Origin: ischial tuberosity

Insertion: medial condyle of tibia

Function: extends hip, medial rotation, knee flexion

Question 25

Gastrocnemius

Answer 25

Origin: medial & lateral condyles of femur Insertion: calcaneus (Achilles tendon) Function: no movement at the hip, knee flexion

Question 26

Soleus

Answer 26

Origin: fibula and tibia Insertion: posterior surface of calcaneus Function: plantar flexion

Question 27

Vastus intermedius

Answer 27

Origin: anterior/lateral femur shaft Insertion: tibial tuberosity Function: extension of the knee