Biological muscles act as flexible actuators, generating force naturally and with an impressive range of motion.

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.

Fast twitch muscles help with sudden bursts of energy involved in activities like sprinting and jumping. Twitch muscles are skeletal muscles that help support your movement. They’re especially ...

Your abdominal muscles surround your trunk between the rib cage and pelvis and keep your abdominal organs safe. Your core abdominal muscles also support your trunk and allow movements while keeping ...

The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin. The sensation occurs as a small movement, which people describe as a jump, ...

Eccentric exercise involves lengthening muscles which increases size by adding stress. Concentric moves shorten muscles for gains with less soreness.

Squats can help you build muscle, prevent injury, and get faster and stronger, but how low you go matters for the benefits, according to a trainer.