PNF & METs

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  • Stretching- PNF & METs
    • ...
      • PNF= Proprioreceptive Neuromuscular Facilitation
        • 70-80% of muscle strength
      • METs= Muscle Energy Techniques
        • 10-20% of muscle strength
    • Method
      • 1. Passive pre- stretch, 10 secs
      • 2. Ease back from stretch
      • 3. Hold isometric cont. 6-10 secs. PIR= muscle stretched... RI- antagonist
      • 4. Relax- passive stretch 30 secs
      • 5. Repeat x 3-4
      • 6. Hold final stretch 15-30 secs
    • PIR vs RI
      • RI less powerful
      • PIR may be bad due to injury/ pain
      • Best approach depends on healing stage
      • Combination can be effective
    • Golgi Tendon Organs
      • PIR- Relaxation occurs in same muscle that increases tension
        • PIR= Post isometric relaxation
      • RI- Relaxation occurs in opposite muscle to that contracting
        • RI= Reciprocal inhibition

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