His quadriceps, on the front of the thigh, were twice as large and ... “It’s been very interesting to learn how your muscles react and [how] the tendons react to the forces I’ve been putting ...

Step 2: With thigh muscles tight, raise the straight leg about a foot off the ground and hold. Step 3: After a few seconds, slowly lower the leg back to the ground. Step 4: Do several ...

Often, our muscles work in pairs to move our bodies. In our leg, if the muscle on the back of our thigh contracts and gets shorter, it bends our leg at our knee joint. If we want to extend our leg ...

The femur bone in the thigh is the longest and strongest bone ... Besides protecting our organs, bones also work together with muscles and tendons to get the body moving. For example, the humerus ...