The Muscular System Flashcards
1
Q
First-class lever
A
The F lies between the AF and the L
2
Q
Second-class lever
A
L lies between AF and the F
3
Q
Third-class lever
A
AF is between the L and the F
4
Q
Which are the most common levers in the body?
A
Third-class levers
5
Q
Muscle origin
A
Less movable end
6
Q
Muscle insertion
A
More movable end
7
Q
Antagonist
A
Muscle whose action opposes that of a particular agonist
8
Q
Agonist
A
Muscle whose contraction is mostly responsible for producing movement
9
Q
Synergist
A
Helps a larger agonist work efficiently
10
Q
Fixator
A
Synergist that assists an agonist by preventing movement at another joint
11
Q
Externus/superficialis
A
Visible at the body surface
12
Q
Internus/profundus
A
Deeper muscles
13
Q
Extrinsic
A
Superficial muscles that stabilise an organ
14
Q
Intrinsic
A
Muscles located entirely within an organ
15
Q
Longus/longissimus
A
Long/longest
