1. Chapter 15 - Achieving Flexibility
Vocabulary Flashcards
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2. Range of Motion
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3. Range of Motion…
The ability of a body joint to move to its full limit without undue stress.
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4. Muscle Imbalance
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5. Muscle Imbalance:
Occurs when one muscle group is worked much more than the opposing muscle group thus becoming much stronger.
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6. Extension
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7. The lengthening movement of muscles around a joint.
Extension…
The lengthening movement of muscles around a joint.
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8. Stretch Reflex
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9. A painful muscle spasm which prevents the muscle from overstretching.
Stretch Reflex…
A painful muscle spasm which prevents the muscle from overstretching.
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10. Ball and Socket Joints
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11. Ball and Socket Joints…
A joint in which the rounded head of one bone fits into the cup-like cavity of another bone and permits movement in any direction.
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12. Contract and Relax Stretching
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13. Contract and Relax Stretching…
Contracting a muscle before it is stretched. Also referred to as a PNF stretch.
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14. Hyperflexibility
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15. Hyperflexibility…
Slack, overstretched ligaments caused by improper exercises or injuries and result in too much motion in a joint.
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16. Ballistic Stretch
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17. Ballistic Stretching…
When the muscle is stretched by a bouncing or jerky movement. It is not a recommended method of stretching.
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18. Hinge Joints
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19. A joint which permits only limited movement - such as the knee.
Hinge Joints…
A joint which permits only limited movement - such as the knee.
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20. Flexion
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21. The bending movement of muscles around a joint.
Flexion…
The bending movement of muscles around a joint.
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