Proprioceptive neuromuscular facilitation involves Question 72 options: 1) an isometric contraction followed by a static stretching...

Proprioceptive neuromuscular facilitation involves

Question 72 options:

1)	an isometric contraction followed by a static stretching of same muscle group.

2)	an isometric contraction followed by a dynamic stretching of the same muscle group.

3)	an isokinetic contraction followed by a static stretching of the same muscle group.

4)	an isotonic contraction followed by a ballistic stretching of the same muscle group.

Expert Solution

Answer:

Option A (an isometric contraction followed by a static stretching of same muscle group)

Explanation: Proprioceptive neuromuscular facilitation (PNF) is a method of an exercise performed by the trained individuals in order to help stretch the muscles and exhibit the maximum order of their flexibility.

The process involves a series of continuous stretching by mediating alternating and continuous contraction and relaxations of the muscles.

In order to perform this stretching exercise, at first the target muscle has to be contracted isometrically and to its full extent and stretch. Followed by which the muscle should be made to be in the contracted stage for a small interval of time; say 10 seconds after which they are made of relax.

After the muscle is relaxed, again the same muscle of similar muscle group is subjected to undergo a passive and static contraction and it is required to be hold for some time.

Gradually with every cycle of this exercise performance; the muscle is said to have stretched more when compared with that of the previous sets.

Sydney Mullin answered 1 year ago

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