Flexibility - Flexibility Chapter 5 Joints Muscles Joints...

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Flexibility Chapter 5
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Joints enable movement, & good flexibility assures a full range of motion through each of the joints. If the muscles, ligaments & other tissues support a joint are tight, they can cause abnormal pressure on a joint. Poor flexibility in the joints can lead to inadequate lubrication of the joint causing the cartilage cells lining the joint to deteriorate.
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The structure & nature of a joint determine its flexibility as in hinge joints & ball-&- socket joints. Each major joint is surrounded by a joint capsule, a semi-elastic structure made of connective tissues that provide strength & stability but limit movement. The flexibility of a joint also depends on soft tissues (skin, muscles, tendons, & ligaments). Muscles fibers are relatively elastic; connective tissue is not.
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The two main types of connective tissue are collagen (white fibers that provide support & structure) & elastin (yellow The “stretch ability” of connective tissue is limited. If the tissue is stretched too far, it becomes brittle & more vulnerable to a tear or rupture. Therefore, a stretching program should be designed to elongate connective tissue, but not push the extent of possible damage.
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Flexibility improves most when muscles are warm (from heat or warm-up exercises). The viscous medium of connective tissue, has the consistency of Vaseline at room temperature when muscles are “cold” & becomes more fluid as the muscle temperature increases.
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What is Flexibility? Flexibility determines the range of motion achievable without injury at a joint or group of joints. Two types of flexibility:
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This note was uploaded on 04/22/2008 for the course HHP 102 taught by Professor Staff during the Spring '08 term at Centre College.

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Flexibility - Flexibility Chapter 5 Joints Muscles Joints...

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