Lecture 11

Question 1

What are the five functions of muscles

Answer 1

• movement/ locomotion
• vision/hearing
• circulation
• digestion
• thermoregulation

Question 2

_______________ stays stable during muscle contraction

Answer 2

origin

Question 3

_________________ location of muscle tissue

Answer 3

belly

Question 4

_______________ moves during contraction

Answer 4

insertion

Question 5

______________ muscles that do opposing actions

Answer 5

antagonists

Question 6

____________________ muscles that work together for an action

Answer 6

synergists

Question 7

_______________ is muscle contraction without shortination and results in no movement

Answer 7

isometric contraction

Question 8

_________________ muscle contraction that results in change in muscle length and movement

Answer 8

isotonic contraction

Question 9

________________________ is contraction that results in the shortening of muscle

Answer 9

concentric

Question 10

________________ is contraction that results in the lengthening of the muscle

Answer 10

eccentric

Question 11

What are the two types of isotonic contraction

Answer 11

concentric and eccentric

Question 12

______________:

• originate on the axial skeleton and insert on the scapula
• also often causes movement at sternoclavicular joint, in addition to movement of the scapula

Answer 12

scapular muscles

Question 13

_______________

• elevates and depresses scapula
• can retract scapula
• upward roation
• Inervated by cranial nerve 11

Answer 13

Trapezius

Question 14

_____________:

• retracts scapula with trapezia
• downward rotation against trapezius

Answer 14

rhomboids

Question 15

__________________

• protracts scapula
• small amount of upward and downward rotation

Answer 15

serrates anterior- boxier muscle

Question 16

____________

originate on scapulas or axial skeleton and cause movement of humorous joint

Answer 16

glenohumeral muscles

Question 17

what two muscles extend and abduct the humorous

Answer 17

latissimus dorsi and teres major

Question 18

___________ abduct and flex the humereous. Some rotation

Answer 18

pectoralis major

Question 19

_________ major abductor of the arm up to 90*. Some flexion and extension

Answer 19

deltoid is the main abductor

Question 20

_______________ rotates the scapula and holds the humorous in place against the glenoid fossa

Answer 20

rotator cuff muscles

Question 21

what are the rotator cuff muscles

Answer 21

subscapularis
supraspinatus
infraspinatus
teres minor

Question 22

__________ is the rotator cuff laying under the spine of the scapula

Answer 22

subscapularis

Question 23

_____________ is the rotator cuff laying above the spine of the scapula

Answer 23

supraspinatus

Question 24

_____________ is the rotator cuff laying Below the spine of the scapula

Answer 24

infraspinatus

Question 25

_________________ is the rotator cuff attaching to the humorous

Answer 25

teres minor

Question 26

______________ is the 2 headed muscle of the arm

Answer 26

bicep brachial

Question 27

what is the origin of the bicep brachi

Answer 27

2 places on scapula

• genoid fossa
• corocoid process

Question 28

what is the function of the bicep brachia

Answer 28

flex and supinate forarm

Question 29

where does the brachial inter and origin

Answer 29

origin-humerus

insert-ulna

Question 30

what does the brachial do

Answer 30

flex arm only

Question 31

___________ contains the flexors of the forearm and arm

Answer 31

anterios compartment of the arm

Question 32

__________________ contains flexors of wrist and digits and pronators

Answer 32

anterior compartments of forearm

Question 33

__________ pronates arm

Answer 33

pronator teres

Question 34

_______________ flexes/radial deviates the wrist

Answer 34

flexor carpi radialis

Question 35

_____________ tenses palm of the hand

Answer 35

palmarris longus

Question 36

_________________ flexes the last digits 2-5

Answer 36

flexor digitorum superficials

Question 37

___________ flexion and ulnar deviation of the wrist

Answer 37

flexor carpi ulnaris

Question 38

_________________ flexor fingers

Answer 38

flexor digitorum profundus

Question 39

_____________ has 3 heads

Answer 39

tricep brachi

Question 40

what is the origin of the tricep

Answer 40

ulcranon process of the ulna

Question 41

what is the function of the tricep

Answer 41

extends the elbow and forearm

Question 42

_________ extensors of the rest and fingers, supinators

Answer 42

superficial group of the carptmeents of the forearm

Question 43

_________ is the exception and flexes the elbow and semiprotonates the wrist

Answer 43

brachioradialis

Question 44

____________ extends the wrist and radius. Radially deviates the wrist

Answer 44

extensor carpi radialis

Question 45

______________ ulnar deviates the wrist. extension

Answer 45

carpi ulnaris

Question 46

________________ extension of forearm

Answer 46

entensor

Question 47

____________ supinates and is synergiate to the bicep brachi

Answer 47

supinator