Name: _____________________________
Hour: ______________
Unit I Part I Worksheet
Mechanism of Injury & Muscle Injury
17 Points
MATCHING
1. _____
2. _____
3. _____
4. _____
5. _____
Trauma
Load
Stiffness
Stress
Strain
A. Internal change in tissue results in deformation
B. Internal resistance to an external load
C. Ability if a tissue to resist a load
D. External force causing internal reactions
E. I A physical injury or wound produced by a force
FILL IN BLANK
6. The property that allows tissue to return to normal after deformation is
______________________.
7. When a load exceeds the ability of the tissue and tissue break down occurs it is
______________________.
8. The point at which the tissue is deformed and will no longer have elasticity is
______________________.
9. When a load is removed and the deformation of the tissue remains the tissue property
it is ________________________.
Word Bank: Elasticity, Yield Point, Plastic, Mechanical Failure
DRAWING
LOAD
10. Tension
11. Compression
12. Shearing
13. Bending
14. Torsion
DRAWING
DISCRIBE (3 points)
15. Describe the 3 types of muscle strains (tearing, pain, ROM, etc.):
Grade I:
________________________________________________________________________
________________________________________________________________________
Grade II:
________________________________________________________________________
________________________________________________________________________
Grade III:
________________________________________________________________________
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