Why the study?
To evaluate the effect of the stretch-shortening cycle on the force-velocity relationship in older adults with and without COPD, and assess its association with physical function.
Does the stretch-shortening cycle affect the force-velocity relationship and physical function in older adults with COPD compared to non-COPD individuals?
Population
26 older adults with COPD and 10 physically active non-COPD older adults
Comparison
Purely concentric muscle action vs muscle action following an eccentric action (stretch-shortening cycle)
Authors
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May compensate for concentric power loss in COPD; hypothesis-generating and should not yet change practice.
Does the stretch-shortening cycle affect the force-velocity relationship and physical function in older adults with COPD compared to non-COPD individuals?
Older adults with COPD exhibit higher SSC-induced potentiation compared to non-COPD subjects, which may act as a compensatory mechanism for decreased concentric muscle power.
Navarro‐Cruz et al. (2019) studied this question.
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