Statins are a popular and easy-to-swallow option for people looking to lower their cholesterol. But for a quarter of patients, statins come with muscle pain, stiffness, cramps, or weakness without any clear signs of muscle ...
Researchers working with mice believe there's hope for patients with a rare genetic disorder that turns their muscle into bone, in essence immobilizing them in an extra skeleton.
The loss of muscle strength and function, what's known as sarcopenia, is a natural part of aging. It's also a growing public health concern because of the risk for falls, injury and decline in quality of life. That's why ...
It is arguably the hardest working muscle in our body and without its incessant, regular beating our organs would be starved of life-giving nutrients.
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Muscle (from Latin musculus, diminutive of mus "mouse") is the contractile tissue of the body and is derived from the mesodermal layer of embryonic germ cells. Muscle cells contain contractile filaments that move past each other and change the size of the cell. They are classified as skeletal, cardiac, or smooth muscles. Their function is to produce force and cause motion. Muscles can cause either locomotion of the organism itself or movement of internal organs. Cardiac and smooth muscle contraction occurs without conscious thought and is necessary for survival. Examples are the contraction of the heart and peristalsis which pushes food through the digestive system. Voluntary contraction of the skeletal muscles is used to move the body and can be finely controlled. Examples are movements of the eye, or gross movements like the quadriceps muscle of the thigh. There are two broad types of voluntary muscle fibers: slow twitch and fast twitch. Slow twitch fibers contract for long periods of time but with little force while fast twitch fibers contract quickly and powerfully but fatigue very rapidly.
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