Eccentric Contraction Definition: An eccentric muscle contraction is a
type of muscle activation that increases tension on a muscle as it
lengthens. This is what the muscles are doing during the cocking phase
of throwing and hitting.
The major muscle groups being activated during How to Throw Better and
hitting are: the rotators and extensors of the hip, the internal and
external obliques of the trunk, the adductors and internal rotators of
the shoulder, and the extensors of the elbow. The best way to train
these muscles is to invoke the eccentric to concentric muscle coupling mechanism used during plyometric training on the Throwing and Hitting Sports Enhancers.
Therefore,
performing coordinated exercises designed to tax the entire kinetic
chain is crucial for the throwing, hitting, and kicking athlete. Proper
training of the kinetic chain involves exercises designed to train the
trunk, hips, shoulder girdle, upper and lower limbs in a proximal to
distal sequence, in a coordinated, synchronous manner. There are
currently no devices on the market specifically designed to allow
throwing, hitting, or kicking athletes to properly train their kinetic
chain.
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