Muscular Functions And Actions

Question 1

The antagonist of a muscle function is the same as a synergist
A-true
B-false

Answer 1

False

Question 2

A prime mover is also called an agonist
A-true
B-false

Answer 2

True

Question 3

A fixation muscle uses what type of contraction
A-isotonic
B-isometric
C-concentric

Answer 3

Isometric

Question 4

Muscles can only move one joint
A-true
B-false

Answer 4

False

Question 5

Abduction moves a body part
A-toward the body
B-medially
C-away from the body

Answer 5

Away from the body

Question 6

Flexion and extension usually occurs in which plane
A-sagittal
B-coronal
C-horizontal

Answer 6

Sagittal

Question 7

Circumduction involves flexion and extension and
A-eversion and inversion
B-abduction and adduction
C-Sup inaction and pronation

Answer 7

Abduction and adduction

Question 8

The thumb flexes and extends in the same plane as the fingers
A-true
B-false

Answer 8

False

Question 9

In supination the hand faces (think anatomical position)
A-anteriorly
B-posteriorly
C-medially

Answer 9

Anteriorly

Question 10

In inversion the bottom of the foot moves
A-toward the median plane
B-away from the media plane
C- parallel to the median plane

Answer 10

Toward the median plane

Question 11

Upward scapular rotation means
A- the glenoid fossa tilts inferiorly
B-the glenoid fossa tilts superiorly
C- the glenoid fossa rotates

Answer 11

The glenoid fossa tilts superiorly

Question 12

Medial rotation brings the anterior surface of a limb
A-away from the median plane
B-closer to the median plane

Answer 12

Closer to the median plane

Question 13

Radial deviation occurs at the
A-elbow
B-shoulder
C- wrist

Answer 13

Wrist

Question 14

When a nerve pierces a muscle
A-it is painful
B-it usually innervates it
C-it usually doesn’t innervate it

Answer 14

It usually innervates it

Question 15

Variation in muscle innervation is common
A-true
B-false

Answer 15

False