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Kinesiology
Ch 2. Musculoskeletal System (Exam 1)
8
Other
11th Grade
10/04/2010
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Term
Purpose of skeleton
 Definition

1. Provides Support

2. Muscle attachment site

3. Protection
Term
What is included in the axial skeleton?
 Definition
Skull, spinal column, sternum, and ribs
Term
What is included in the Appendicular skeleton?
 Definition
Upper and lower extremities
Term
Name the 4 types of bones and give examples
 Definition

1. Long (shaft with a medullary canal) ie. femur, tibia, humerus

2.Short (small, chunky, solid) ie. Carpals, and tarsals

3. Flat. ie. sternum, scapulae, ribs, pelvis, & Patella

4.Irregular: (bones of spinal column) ie. vertebrae, sacrum, coccyx
Term
What is the mechanical axis of a bone?
 Definition

Straight line that connects the midpoint of a joint to the other midpoint of a joint along a bone.  

 

How you measure range of motion!
Term
Epiphysis
 Definition
part of bone separated from the main bone by a layer of cartilage.  This is where growth occurs.  
Term
What happens when epiphyseal cartilage ossifies?
 Definition
Closure is complete, no more growth can occur.
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