KNES 210 Lecture Notes - Lecture 2: Quadriceps Femoris Muscle, Polyurethane, Sciatic Nerve
12 Sep 2016
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Acute injury: caused by sudden trauma (ankle sprain) Chronic injury: develops over time: caused by overuse or poor form and body mechanics (tendinitis, shin splints) Sprain: injury to a ligament: inversion sprain is most common. Rupture of the lateral ligaments of the ankle. Strain (pulled muscle): when a muscle and/or tendon is over stretched or torn: hamstring strain, groin (adductor) strain. Rest: avoid activities that aggravate the injury. Ice: 20 minutes every hour while awake: ice is a very effective anti-inflammatory and pain reliever, chemical ice packs, bags of frozen vegetables or a frozen plastic water bottle, do not apply directly to skin. Use a towel, etc: ice causes vasoconstriction it minimizes healing time. If ice is on for too long it will have the opposite effect (vasodilation) increase swelling due to more blood rushing to the area. Compression: provides support and decreases swelling: ace or other elastic bandage, decrease swelling, do not wrap tightly.
