Muscle & Joint Injuries

I. Strain A. What is it? a. S t r e t c h i n g and or tearing of muscles or tendons b. Tendons are stronger so muscles usually injured first

B. Causes of Strains 1. Lifting too much 2. Working a muscle too hard 3. Sudden movements

C. Where Do They Occur? Neck 2. Back 3. Hamstrings 4. Quads

II. Dislocations A. Displacement of a bone from its normal position at a joint B. Caused by a hard force C. Most common for fingers and shoulders

D. How Can You Tell If a Joint Is Dislocated? 1. Deformity at the Joint

III. Sprains What is a Sprain? Stretching and/or tearing of ligaments and/or cartilage at a joint Usually caused when a joint is forced beyond normal range of motion

Examples Normal Cartilage

Examples of Torn Cartilage

Ligaments of the ankle