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  • Title: Hydraulic resistance exercise benefits cardiovascular fitness of spinal cord injured.
    Author: Cooney MM, Walker JB.
    Journal: Med Sci Sports Exerc; 1986 Oct; 18(5):522-5. PubMed ID: 3773668.
    Abstract:
    The purpose of this investigation was to examine the effects of hydraulic resistance exercise training on fitness in spinal cord injured patients. Ten subjects (five quadriplegics and five paraplegics; seven males and three females) participated in a 9-wk training program. Subjects trained 3 times/wk. The 9-wk program was divided into three, 3-wk periods, designated stages I, II, and III. A discontinuous arm crank protocol was used to assess VO2max before and after training. Assessment of the intensity of the hydraulic resistance exercise was made by continuous ECG monitoring during training. A 60 to 90% maximum observed heart rate was calculated for subjects. The spinal cord-injured subjects' VO2max increased 28.1%, and maximum exercise power output increased 36.7% as a result of the 9-wk training program. Both of these findings were statistically significant (P less than 0.01). The exercise intensity was within a 60 to 90% training zone during stages II and III but not during stage I training. The results of this study indicate that hydraulic resistance exercise training may produce increased cardiovascular fitness in spinal cord-injured subjects.
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