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A strain is an acute or chronic soft tissue injury that occurs to a muscle, tendon, or both. The equivalent injury to a ligament is a sprain . [ 1 ] Generally, the muscle or tendon overstretches and partially tears, under more physical stress than it can withstand, often from a sudden increase in duration, intensity, or frequency of an activity.
Nerve compression is a result of poor posture, prolonged computer use is an example of repetitive strain injury which affects the musculoskeletal system. [16] [2] Whiplash injury, whereby the force causes strain to the capsule and ligaments of the apophyseal joints of the cervical spine. [7]
Injuries of overuse or overexertion can occur when the body is strained through use, affecting the bones, muscles, ligaments, or tendons. Sports injuries are often overuse injuries such as tendinopathy. [24] Over-extension of the ligaments and tendons can result in sprains and strains, respectively. [25]
From cold and flu to stress to post-workout muscle soreness, there are a bevy of things that can cause your body aches. Here's how to spot each one—and what you can do to make the pain go away.
Muscle soreness can stem from strain on the sarcomere, the muscle's functional unit, due to the mechanism of activation of the unit by the nerves, which accumulates calcium that further degrades sarcomeres. [2] This degradation initiates the body inflammatory response, and has to be supported by surrounding connective tissues.
Strained body while lifting heavy loads, during which most people unknowingly hold their breath, which increases heart rate and blood pressure ... Cold air causes constriction of blood vessels ...
A sprain is a soft tissue injury of the ligaments within a joint, often caused by a sudden movement abruptly forcing the joint to exceed its functional range of motion.. Ligaments are tough, inelastic fibers made of collagen that connect two or more bones to form a joint and are important for joint stability and proprioception, which is the body's sense of limb position and movem
Striated muscle tissue is a muscle tissue that features repeating functional units called sarcomeres.The presence of sarcomeres manifests as a series of bands visible along the muscle fibers, which is responsible for the striated appearance observed in microscopic images of this tissue.
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