Background: Myofascial trigger points (MTrPs) are hyperirritable spots located in taut bands of muscle fibres. Electrophysiological studies indicate that abnormal electrical activity is detectable ...
Learn the anatomy of arm muscles and the armpit with an artist-focused approach. This video breaks down muscle groups, forms, and movement in a clear, practical way, helping you draw arms that look ...
Scientists have made strides turning stem cells into motor neurons, but a motor neuron by itself is not much use—it’s only when it innervates a muscle that it can get things moving. Now, for the first ...
The changes in composition of muscle interstitial fluid during severe exercise is discussed, and a study of the effect on muscle receptors of one such change, an increase in potassium ion ...
Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...
What Is Upper Limb Spasticity? Upper limb spasticity is a condition that affects the way you move your arms. It makes your muscles stiff and flexed. Sometimes, your arms will twitch or move in a way ...
Run a finger down the center of the forearm, curl the fingers, and flex the wrist. For many people, a thin cord jumps into view, tight as a guitar string under the skin. It feels deliberate, almost ...
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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 ...