day 2 - gross anatomy

Question 1

retraction (def)

Answer 1

posterior movement along a transverse plane

Question 2

protraction (def)

Answer 2

anterior movement along transverse plane

Question 3

inversion (def)

Answer 3

twisting ankle(s) so sole of foot is pointed medially

Question 4

eversion (def)

Answer 4

twisting ankle(s) so sole of foot is pointed latterally

Question 5

what is it called when you move your arms from out in front of you to the side of you or vise versa?

Answer 5

horizontal abduction + adduction

Question 6

adduction (def)

Answer 6

movement toward the midline

Question 7

abduction (def)

Answer 7

movement away from the midline

Question 8

skelital muscles generate force mainly for…(3)

Answer 8

1) locomotion
2) breathing
3) postural support

Question 9

prime mover/agonist (def)

Answer 9

large muscle that produces most of the force in a particular movement

(ex. pectoralis major in horizontal adduction)

Question 10

synergist (def)

Answer 10

smaller muscle that assists a larger primer mover

(ex. anterior deltoid during horizontal adduction)

Question 11

antagonist (def)

Answer 11

muscle(s) that oppose the movement of a particular prime mover

Question 12

line of pull/action (def)

Answer 12

the direction or line of force produced by a muscle determined by

a) joint anatomy
b) type of muscle fiber(s)

Question 13

muscle action (def)

Answer 13

force produced by a skelital muscle that usually leads to movement