|
|
3
|
Muscles shrinking
|
4
|
Muscles you control
|
6
|
Energy produced by muscles when they pull
|
7
|
Muscles stretch like
|
8
|
Worst environment to stretch muscles
|
11
|
Muscles growing
|
13
|
Being able to do work faster
|
14
|
Best environment to stretch muscles
|
|
|
|
|
1
|
Muscle soreness
|
2
|
Regularly working towards fitness goals
|
5
|
The heart muscle
|
9
|
Muscle in the digestive system
|
10
|
Stretching while jogging
|
12
|
Structure of a progressive weight training program
|
|
|