All muscles in the human body fit into one of three types or categories: "skeletal, smooth, and cardiac," explains Eric Hegedus, PT, PhD, a professor of rehabilitation sciences at Tufts University ...

There are over 600 muscles in your body. They make up over 40 percent of your weight and function in several different capacities. Several thousand small fibers make up every muscle.

Quadriceps are the muscles at the front of one's thigh, the iliopsoas muscle is the major flexor of one's hip joint, abductor muscles help with leg rotation, and adductor muscles are in one's ...

Sore muscles are not able to produce as much force and will usually fatigue more quickly. So even if you wanted to do 20 push-ups, you might not be able to get through them all or go as deep as usual.

The Tissue That Connects Our Muscles May Be a Key to Better Health. Fascia is more important than previously thought. Here’s how, and why, you should care for yours. Share full article. 882.