What is the difference between contract relax and hold relax




















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Contrast bath therapy is a series of brief, repeated immersions in water, alternating between warm and cold temperatures. According to research…. Health Conditions Discover Plan Connect. Medically reviewed by Peggy Pletcher, M. This contraction is held for 10 to 15 seconds before you relax your muscle for 3 seconds. Repeat the passive stretch for 20 seconds. The contraction allows the muscle to be stretched further than before. The contract-relax technique is very similar to the hold-relax technique.

A passive stretch is held for 20 seconds and then contracted. The difference between the contract-relax and and the hold-relax is that in the contract-relax technique, the muscle is contracted concentrically. This means the muscle is moved so it temporarily shortened. The contraction is released for a couple of seconds and then the passive stretch is repeated for another 20 seconds.

With each of the three techniques, detailed below, the first phase incorporates a passive pre-stretch of 10 seconds. The muscle actions used in the second and third phases differ for the three techniques. The second and third phases give each technique its name. S tretches to improve hamstring flexibility have been included below.

The hold-relax technique begins with a passive pre-stretch. This is held at a point of mild discomfort for about 10 seconds. The athlete then holds and resists the movement so that isometric muscle action occurs. This is held for around 6 seconds. The athlete then relaxes and a passive stretch is performed and held for 30 seconds figure The final stretch should be of greater magnitude due to autogenic inhibition e.

The contract-relax technique also begins with a passive pre-stretch of the hamstrings. This is again held at the point of mild discomfort for 10 seconds figure The athlete then extends the hip against resistance from the partner.

This is so that a concentric muscle action through the full ROM occurs figure The athlete then relaxes. Following this, a passive hip flexion stretch is applied and held for 30 seconds. The increased ROM is facilitated due to autogenic inhibition e. Hold Relax Resisted isometric static contraction of the restricted shortened muscles followed by relaxation and movement into the increased ROM. It can be done with a little resistance made by the therapist.

The resistance should be increased slowly. No motion is allowed by the therapist or the athlete.



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