Discover the three main types of muscle in the human body and their distinct functions.

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

A chiseled chest. Bulging biceps. Adonis-like abs. Gym rats push and pump weights to stay healthy and enjoy the side effect of looking buff in the process. But does achieving that muscular physique ...