In the short-term, hypertrophy training causes microtrauma to the muscle, making it break down and leading to tiny tears.

Duchenne muscular dystrophy (DMD) causes dysfunction of muscle cells that help move blood through the circulatory system, a study found. The changes associated with DMD included dysregulated activity ...

Doctors identify these movements as 'fasciculations', because they occur when individual nerve fibers, which control small muscle groups activate independently to produce brief muscle contractions.

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The effect is specific to fast-twitch fibers, which are used to generate rapid, powerful movements like sprinting and jumping. (Getty Images) When you're running up stairs or out on a jog, your ...

The mechanism of skeletal muscle contraction is a process that relies on calcium signaling. However, the physiological role of calcium-induced calcium release (CICR) through the ryanodine receptor ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Some workouts leave you buzzing, muscles pumping, and energy on high. Others leave you wondering if you made any progress at all. The difference often comes down to more than just the weight on the ...

Tomohiro Yasuda, William F. Brechue, Taku Fujita, Yoshiaki Sato, Takashi Abe. (2008) Muscle Activation During Low-Intensity Muscle Contractions With Varying Levels of External Limb Compression.

Using a run-of-the-mill, portable and non-invasive electrical muscle stimulator while doing resistance training can yield greater gains in muscle strength and muscle mass than doing resistance ...