physical Therapy

1. How does invoking the stretch-shorten cycle through a countermovement improve performance?

How does arm swing increase vertical jumping performance. Cite specific examples from Harman et al. (1990) to support your conclusions.

2. The vertical jump is a great measure of lower body mechanical power output. However, if a

physical therapist is working with an athlete rehabbing from a shoulder injury mechanical power

output measured from a vertical jump test may not be an accurate evaluation of their recovery.

Provide two alternative ways the therapist might consider measuring mechanical power more

targeted to the shoulder.
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