If you've experienced pain in your calf, the Achilles tendon might have seemed like the culprit, but this odd muscle might ...

Squats train all the major muscles in your legs, including quads and hamstrings. Walking lunges challenge your leg muscles ...

In most workout splits, one to two dedicated leg days per week is common, but it really all depends on your fitness level and ...

Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

Chair exercises for leg strength after 65, 6 no-strain moves from certified trainer Michael Betts, with form cues and sets.

Try seated leg exercises for men over 65, a joint-friendly daily routine from CPT Tyler Read to maintain strength.

Night-time leg cramps are common but poorly understood. An orthopaedic doctor explains why they strike during sleep, what triggers them, and when they need medical attention.

The world’s largest running event returns for its 13th edition. Runners and wheelchair-users across the globe start together, all moving for one shared goal: to find a cure for spinal cord injury.

There's a lot of chatter in the fitness world about what constitutes a great workout. Some folks swear a series of awkward exercises is the key to gains. Others claim a quick jump rope workout that ...

If you have been thinking about hitting the gym to begin your resistance training journey, it is highly likely that you have come across both the full-body workout and push-pull-legs training plans.

Hugh Herr, the director of an M.I.T. laboratory that pursues the “merging of body and machine,” grew up in a Mennonite family outside Lancaster, Pennsylvania. He and his brothers—he was the youngest ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...