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A U.S. marine performing a pull-up. A pull-up is an upper-body strength exercise.The pull-up is a closed-chain movement where the body is suspended by the hands, gripping a bar or other implement at a distance typically wider than shoulder-width, and pulled up.
Open chain exercises are postulated to be advantageous in rehabilitation settings because they can be easily manipulated to selectively target specific muscles, or specific heads of certain muscles, more effectively than their closed chain counterparts, at different phases of contraction.
A bodyweight squat exercise requires little space and no equipment. After squatting down an individual returns to standing while moving their arms back to their sides. The height of the squat can be adjusted higher or lower depending on individual requirements (i.e., someone unaccustomed to exercise may instead perform half or quarter squats).
Weight-bearing exercise also helps to prevent osteoporosis and to improve bone strength in those with osteoporosis. [70] For many people in rehabilitation or with an acquired disability , such as following stroke or orthopaedic surgery, strength training for weak muscles is a key factor to optimise recovery. [ 71 ]
Its role in elbow extension is trivial in humans. It assists in extension of the elbow, where the triceps brachii is the principal agonist, and supports the elbow in full extension. [7] It also prevents the elbow joint capsule being pinched in the olecranon fossa during extension of the elbow. Anconeus also abducts the ulna and stabilizes the ...
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WASHINGTON (Reuters) -Donald Trump has tapped Keith Kellogg, a retired lieutenant general who presented him with a plan to end the war in Ukraine, to serve as a special envoy for the conflict, the ...
Cable pull-down exercise to the front with a medium-width overhand (pronated) grip. The pull-down exercise is a strength training exercise designed to develop the latissimus dorsi muscle. It performs the functions of downward rotation and depression of the scapulae combined with adduction and extension of the shoulder joint.