Muscular System Flashcards
1
Q
what is a rigid bar that works on a fixed point called?
A
Lever
2
Q
what is the fixed point on a lever?
A
Fulcrum
3
Q
what is it called when effort is used to move a load?
A
applied force
4
Q
what body part acts as a fulcrum?
A
joints
5
Q
what body part acts as a lever?
A
bone
6
Q
what body part acts as the effort?
A
muscles
7
Q
what body part acts as the load?
A
tissues, etc.
8
Q
____ allows a given effort to move a heavier load a further distance
A
lever
9
Q
what are the 3 variables of muscle mechanics?
A
distance
speed
size of load
10
Q
what type of lever is when a load is close to the fulcrum and effort is applied far from the fulcrum
A
power lever
11
Q
what is it called when a small effort over a large distance can move a large load over a small distance
A
mechanical advantage
