Exam 5: Flexibility and Low-Back Health

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Intervertebral disks are partially made up of water.

(True/False)
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Two components of connective tissue are collages and elastin.

(True/False)
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Flexibility is defined as:

(Multiple Choice)
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Which of the muscles are stretched by the side lunge exercise?

(Multiple Choice)
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Ball and socket allow for which type of movement(s)?

(Multiple Choice)
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There are several ways to improve flexibility.

(True/False)
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Proprioceptive neuromuscular facilitation takes advantage of the nerve activity to improve flexibility.

(True/False)
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Good joint flexibility will prevent arthritis in older people.

(True/False)
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A slow stretch prompts a stronger reaction from proprioceptors.

(True/False)
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Recent research suggests that exercise-induced muscle cramps are caused by decreased electrical activity within the affected muscle.

(True/False)
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The recommended rest period between stretches is __________.

(Short Answer)
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Daniel executes a lunge walk. He is demonstrating what type of stretching?

(Multiple Choice)
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Stretch receptors are structures in the muscle that need to be targeted in order to improve flexibility.

(True/False)
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When muscle is stretched, the elastin fibres straighten, and when regularly leads to long-term lengthening and is called __________.

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During any dynamic movement, the core muscles work together; some muscles shorten while others lengthen.

(True/False)
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Yoga or tai-chi related flexibility exercises may reduce mental and physical tension.

(True/False)
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In _____________________ stretching, the muscles are stretched by the contraction of the opposing muscles.

(Short Answer)
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______________ joints like the hip enable movement in many different directions and have a greater range of motion.

(Short Answer)
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Increased injury of the low back can occur if:

(Multiple Choice)
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Health Canada recommends that stretching be performed at a minimum of:

(Multiple Choice)
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