EHS 240 Lecture Notes - Lecture 3: Bruise, Bone Fracture, Peripheral Nervous System
20 May 2016
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Document Summary
Injuries that can be broadly classified as either traumatic or overuse injuries; e. g. contusions, strains, sprains. Tissue loading is sufficient to cause irreversible deformation. Muscle strain is an injury to a muscle or tendon in which fibers tear as a result of overstretching. Muscle cramp is a painful involuntary muscle contraction, typically from muscle fatigue, low sodium, and low potassium. Muscle soreness or delayed onset muscle soreness ( doms) is muscle painand stiffness associated with new or strenuous exercise. Tenosynovitis is inflammation of the fluid sheath that surrounds tendon. Contusion is hematoma of tissue where capillaries and venules are damaged by trauma, which allows blood to go to intersitial tisues. Ligament sprain is injury to joint when bones become displaced. Dislocation is an injury to a joint when bones are displaced. Osteoarthritis is the degredation of joint, articular cartilage and subchondral bone. Bursitis is inflammatin of one or more bursae of synovial fluid in body.
