The Length Tension Relationship

The Length Tension Relationship - (Plyometrics) If muscle...

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he Length Tension Relationship: (termed Blix’s Curve in 1892 by a Swedish Physiologist)]
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T here is an
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optimum length (about 115% of resting length) for tension development in the muscle. The resting length of muscle is the unstimulated length of the muscle once removed from the body o Tension in muscle is due to the summation of the active contractile elements, and to the passive tension inherent in the structural characteristics of the connective tissue o The greatest contractile tension occurs at resting length due to an optimal overlap in actin and myosin o Passive elastic tension increases exponentially as the muscle length is increased from 100% of resting length Elastic Storage of Energy
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Unformatted text preview: (Plyometrics) If muscle is stretched while active, elastic energy can be stored and used during contractile phase. o example - pre-load crouch before a vertical jump a tennis drive The amount of positive tension that can be developed is dependent upon the speed of the stretch and the speed of the conversion from stretching to contracting the faster the stretch and the more rapid this conversion, the greater will be the amount of energy stored then released to increase the positive tension development. This is a highly dynamic type of exercise, suitable for only the most fit individuals. Others, less fit, are often injured doing plyometric exercises....
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This note was uploaded on 09/25/2010 for the course EXS 31757 taught by Professor Brennan during the Spring '10 term at Oakland University.

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The Length Tension Relationship - (Plyometrics) If muscle...

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