Ch11rdm

Question 1

supraspinatus

Answer 1

Medically rotates arm. Supracapular nerve C3-C6.

Question 2

serratus anterior

Answer 2

Rotates scapula upward. Long thoracic nerve C5-C7.

Question 3

sternothyroid

Answer 3

Depresses larynx and hyoid bone. C1-C3 through ansa cervicalis.

Question 4

levator scapulae

Answer 4

Elavates and adducts scapula. Cervical spinal nerves and dorsal scapular nerve C3-C5.

Question 5

mylohyoid

Answer 5

Elevates and retracts hyoid. Facial nerve.

Question 6

teres major

Answer 6

Extends, medially roates, and adducts the arm. Lower subscapular nerve C5-C7.

Question 7

scalene

Answer 7

elevate first two ribs. Cervical spinal nerves.

Question 8

teres minor

Answer 8

Laterally rotates arm. Axillary Nerve C5 and C6.

Question 9

orbicularis oculi

Answer 9

Closes eye. Facial nerve.

Question 10

omohyoid

Answer 10

Depresses and retracts hyoid bone. C1-C3 through ansa cervicalis.

Question 11

buccinator

Answer 11

Compresses cheek. Facial nerve.

Question 12

rectus abdominis

Answer 12

Flex and rotate lumbar region of vertebral column. Intecostal nerves T6 or T7-T12.

Question 13

stylohyoid

Answer 13

Elevates and retracts hyoid. Facial nerve.

Question 14

triceps brachii

Answer 14

Powerful forearm extensor. Radia Nerve C6-C8.

Question 15

soleus

Answer 15

Planter flexes foot. Tibial nerve S1 and S2.

Question 16

psoas major

Answer 16

Prime mover in thigh flexion and in flexing trunk, also causes lateral flexsion of vertebral column. Ventral rami L1-L3.

Question 17

digastric

Answer 17

Open mouth and depress mandible. Mandibular of trigemeinal for anterior belly amd facial nerve for posterior belly.

Question 18

pectoralis minor

Answer 18

With ribs, protracts and roates scapula downward. Medial and lateral pectoral nervers C6-C8.

Question 19

deltoid

Answer 19

Prime mover of arm abduction when all its fivers contract simultaneously. Axillary nerve C5-C6

Question 20

semitendinosus

Answer 20

extends though and flexes leg. Sciatic nerve-tibial nerve portionL5-S2.

Question 21

transversus abdominis

Answer 21

Compresses adbominal contents. Intercostal nerves T7-T12 and L1.

Question 22

internal oblique

Answer 22

Flex vertebral column and compress abdominal wall. Intercostal nerve. T7-T12 and L1.

Question 23

adductor mangus

Answer 23

Adducts and medially rotates and flexes thigh, thigh extension. Obturator nerve and sciatic nerve :2-L3.

Question 24

quadriceps femoris

Answer 24

Inserts into the patella and then via the patellar ligament into tibial tuberosity. Femoral nerve.

Question 25

semimembranosus

Answer 25

Extends thgouh and flexes leg. Sciatic nerve-tibial nerve portion L5-S2.

Question 26

trapezius

Answer 26

Stabilizies, elevates, retracts, and roates scapula. Accessory Nerve, C3 C4.

Question 27

oribularis oris

Answer 27

Closes lips. Facial nerve.

Question 28

biceps brachii

Answer 28

Flexes and supinates forearm. Musculocutaneous nerve C6-C8.

Question 29

gastrocnemius

Answer 29

Planter flexes foot. Tibial nerve S1 and S2.

Question 30

infaspinatus

Answer 30

Laterally rotates arm. Suprascaoular nerve C3-C6.

Question 31

coracobrachialis

Answer 31

Flexsion and adduction of arm. Musculocutaneous nerve C5-C7.

Question 32

sternocleidomastoid

Answer 32

Flexes and laterally rotates the head. Accesoory Nerve, cervical spinal nerves C2 and C3.

Question 33

erector spinae

Answer 33

Prime mover of bact extension.

Question 34

adductor pollicis

Answer 34

Adducts and helps to oppose thumb. Ulnar Nerve C8 and T1.

Question 35

genioglossus

Answer 35

Protracts tongue. Hypoglossal nerve.

Question 36

geniohyoid

Answer 36

Elevates and protracts the hyoid. Facial nerve.

Question 37

thyrohyoid

Answer 37

Depresses hyoid bone or elevates larny if hyoid is fixed. First cervical nerve via hypoglossal.

Question 38

biceps femoris

Answer 38

Extends though and flexes leg. Sciatic nerve-tibial nerve to long head, common fibular nerve to short head L5-S2.

Question 39

rhomboid major and minor

Answer 39

Stabilize scapula. Dorsal scapular nerve C4-C5.

Question 40

piriformis

Answer 40

Rotates extended though laterally. L4-S1

Question 41

latissimus dorsi

Answer 41

Prime mover of arm extension; adduction and medial rotation of arm. Thoracodorsal nerve C6-C8.

Question 42

hyoglossus

Answer 42

Depresses tongue. Hypoglossal nerve.

Question 43

styloglossus

Answer 43

Retracts ande elevates tongue. Hypoglossal nerve.

Question 44

pectoralis major

Answer 44

Prime mover of arm flexion; rottates amr medially; adducts arm. Lateral and medial pectoral nerves C5-C8 and T1.

Question 45

sternohyoid

Answer 45

Depresses larynx and hyoid bone if mandible is fixed. C1-C3 through ansa cervicalis.

Question 46

brachialis

Answer 46

Flexes forearm. Muscilocitaneous nerve.

Question 47

external oblique

Answer 47

Flex vertebral column and compress abdominal wall. Intercostal nerve T7-T12.

Question 48

gluteus maximus

Answer 48

Major extensor of thigh. Inferior gluteal nerve (L2-S2)

Question 49

iliacus

Answer 49

Prime mover in though flexion and in flexing trunk. Femoral nerve L2 and L3.

Question 50

sartorius

Answer 50

Flexes, abducts, and laterally rotates though; flexes leg. Femoral nerve L2 and L3.

Question 51

adductor brevis

Answer 51

Adducts and medially rotates thigh. Obturator nerve L2 and L3.