What causes muscle strains
[DOCX File]Anatomy and Physiology - Muscles
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A. Muscle is a general term for all contractile tissue. B. The contractile property of muscle tissue allows it to: 1. Become short and thick in response to a nerve impulse. 2. Relax once the nerve impulse is removed. C. This alternating contraction and relaxation causes movement. III. 3 Types of muscles. 1. Skeletal muscle
[DOC File]COMMON INJURIES TO THE UPPER EXTREMITY
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The same events can happen with repeated strains like hammering a nail, picking up a heavy bucket, or pruning shrubs. Signs and Symptoms. General. difficulty holding onto, pinching, or gripping objects . pain, stiffness, or insufficient elbow and hand movement . forearm muscle tightness . insufficient forearm functional strength
[DOC File]ERGONOMICS – RISKS AND TIPS FOR PREVENTION
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Causes. Strains Back pain most often occurs: From strained muscles and ligaments. From improper or heavy lifting. After a sudden awkward movement. Sometimes a muscle spasm can cause or be associated with back pain. Structural problems In some cases, back pain may be caused by structural problems, such as: Bulging or ruptured disks. Sciatica ...
[DOC File]CHAPTER 17
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28. Hamstring muscle strains rank first in incidence of sports injuries to the thigh. E, K (397) 29. A severe blow or repeated blows to the thigh can produce a myositis ossificans. E, K (395) 30. Vigorous stretching of a quad strain should begin immediately after the injury. E, A (397) 31. The pelvis is formed from five bones. M, K (386) 32.
[DOC File]Artificial Muscle
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The bulging of the bladder causes the mesh to bulge in the middle and draw in the ends of the sleeve, providing actuation in contraction, very similar to a human muscle. The technology was first used in the 1950s for prosthetic limbs and later commercialized in the 1980s by a Japanese company.
[DOCX File]THE
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Muscles and tendons move the body tissues around the joints. A strain happens when a muscle or a group of muscles are stressed to the point where there is tearing of the muscle fibers. The muscles and tendons of the foot may be strained by overstretching, overuse, overloading, bruising, or even by being cut jaggedly.
[DOC File]Calf Muscle Strain - Webs
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Muscle strains are graded according to their severity, with grade 1 being the least severe. Grade 1. Stretching with some microtearing of muscle fibers. Recovery can be complete in about 2-3 weeks. Grade 2. Partial tearing of muscle fibers. Recovery can take up to 1-2 months. Grade 3. Complete tearing (rupture) of muscle fibers.
[DOCX File]www.safetyinfo.com
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Under-and over-lighted areas causes headaches, muscle strains, fatigue and eye injury. It effects the body by reduced visual acuity, distractions, and glare interference. Poorly lighted areas also provides an atmosphere for trip/fall hazards and poor coordination.
[DOC File]Illinois Wesleyan University -- Bloomington, IL
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4.) muscle test - test the muscle injured and determine: - the locality of pain - the degree of muscle strength - the degree of muscle flexibility. 5.) highest indicence of muscle strains - hamstrings - quadriceps - hip flexors - hip adductors (groin) - rotator cuff (S.I.T.S. muscles)
[DOCX File]Hunter Douglas
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Continuous muscle exertion reduces the blood flow to the muscles, so strains do not heal. Contact stresses are injuries caused by repeated contact with a hard surface, which can describe anything from fingertips on a keyboard to a hand-held hammer striking a nail. Excessive force and pressure are harmful.
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