Exercise increases a body 's strength, and isometric exercise is a sustained contraction of large muscles, such as weight lifting. Given these facts, sustained contraction of large muscles in a body leads to what among the following options:
- rapid expansion
 - increased body hair
 - prolactin release
 - recovery time from fatigue
 - increased IRA balance
 - increased pupil dilation
 - increased body strength
 - staying warm


 

       increased body strength  