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Muscle Energy Techniques (MET). Basic Concepts Using the intrinsic power of muscles to achieve a variety of effects, involving isometric and isotonic.

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Presentation on theme: "Muscle Energy Techniques (MET). Basic Concepts Using the intrinsic power of muscles to achieve a variety of effects, involving isometric and isotonic."— Presentation transcript:

1 Muscle Energy Techniques (MET)

2 Basic Concepts Using the intrinsic power of muscles to achieve a variety of effects, involving isometric and isotonic contractions Using the intrinsic power of muscles to achieve a variety of effects, involving isometric and isotonic contractions 2 fundamental neurophysiological principles 2 fundamental neurophysiological principles Postcontraction Inhibition Postcontraction Inhibition After a muscle is contracted, automatically goes into a relaxed state for a brief period After a muscle is contracted, automatically goes into a relaxed state for a brief period Reciprical Inhibition Reciprical Inhibition When one muscle is contracted, its antagonist is automatically inhibited When one muscle is contracted, its antagonist is automatically inhibited

3 Basic Concepts Patients contractions in conjunction with therapists effort result in: Patients contractions in conjunction with therapists effort result in: 1. Isometric contraction Therapist Force applied = Patient Force applied Therapist Force applied = Patient Force applied 2. Isotonic Eccentric contraction Therapist Force applied > Patient Force applied Therapist Force applied > Patient Force applied 3. Isotonic Concentric contraction Therapist Force applied < Patient Force applied Therapist Force applied < Patient Force applied

4 Basic Concepts Operator – Direct Method Operator – Direct Method Patient contracts agonist muscle Patient contracts agonist muscle Chronic conditions Chronic conditions Operator – Indirect Method Operator – Indirect Method Patient contracts atagonist muscle Patient contracts atagonist muscle Acute conditions Acute conditions

5 Variations of MET Lewits Post-isometric Relaxation Lewits Post-isometric Relaxation 1. Hypertonic muscle is taken to a length short of pain / resistance 2. Patient contracts (10-25%) muscle for 5 – 10 seconds while therapist supplies equal force 3. Patient relaxes and muscle is taken to new range of motion 4. Starting from gained ROM, repeated 2-3 times

6 Jandas Post-facilitation Stretch Jandas Post-facilitation Stretch 1. Affected muscle is placed in a midrange position 2. Patient contracts (90-100%) for 5 – 10 seconds 3. Rapid stretch to new ROM and hold for 10 seconds 4. Relax for 20 seconds and repeated 3 – 5 times Sensations of warmth and weakness may be experienced for a short time with this method Sensations of warmth and weakness may be experienced for a short time with this method

7 Reciprocal Inhibition Method Reciprocal Inhibition Method 1. Affected muscle is placed in mid-range 2. Patient contracts isometrically or isotonically for 5 – 10 seconds 3. Muscle is passively lengthened 4. Repeated 2 – 3 times


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