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Step 1
Warm up your entire body before stretching the target muscle group. PNF stretches are riskier than traditional hold-and-release passive stretches, so warming up protects your muscles against tearing and injury.
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Step 2
Perform some simple dynamic stretches on the target muscles to improve their range of improve and loosen them up.
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Step 3
Begin the first PNF stretch by passively stretching the target muscle the limit of its flexibility. Hold this stretch for 15 seconds or so.
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Step 4
Contract the target muscles against a resistant object. For example, if you're stretching your hamstrings, push the back of your leg against a flat surface or your partner's grip. Hold this contraction for about 5 seconds.
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Step 5
Relax your muscle and push it just a bit further into another passive stretch. Hold this stretch for 30 seconds, and then give the muscle at least a 30 second break.
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Step 6
Repeat Steps 3 through 5 two to three times, then move onto the next muscle group.







