1. Muscle & Joint
Injuries

2. 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

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

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

5. 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

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

7. 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

8. Examples Normal Cartilage

9. Examples of Torn Cartilage

10. Ligaments of the ankle