Skeletal Muscles & Muscular System Flashcards
1
Q
Origin
A
immovable or fixed part - proximal
2
Q
Insertion
A
movable part of joint - distal
3
Q
Groups
A
contract more than a single muscle to create the desired movement
4
Q
Agonist or Prime mover
A
provide most of the movement
5
Q
Synergist
A
assist prime mover
6
Q
Antagonist
A
resist the action of prime mover
causes movement in opposite direction
7
Q
Skeletal
A
conscious control
8
Q
Smooth
A
involuntary
9
Q
voluntary control
A
usually contracts only when stimulated by neurons that deliver impulses to it
10
Q
myofibrils
A
rod-like filaments
11
Q
sarcomeres
A
gives muscle its characteristics striated pattern
