muscles Flashcards
1
Q
origin
A
site where muscle attaches, remains stationary when muscle is contracted
2
Q
insertion
A
muscle attachment site, moved during contraction
3
Q
antagonistic groups
A
muscles with opposite functions
ex: bicep and tricep
4
Q
flexor
A
bend joints; decrease angle
5
Q
extensor
A
straighten joints; increase angle
6
Q
adductor
A
move appendage toward the medial sagittal plane
7
Q
abductor
A
move appendages away from the medial sagittal plane
8
Q
levator
A
raise structures
9
Q
depressor
A
lower structures
10
Q
pronator
A
turns the dorsal surface of a limb anteriorly
11
Q
supinator
A
turns the ventral surface of a limb anteriorly
12
Q
sphincter
A
closes openings
13
Q
dilator
A
opens openings