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  • Title: [One-leg cycling aerobic training with the healthy leg in amateur soccer players after anterior cruciate ligament reconstruction].
    Author: Olivier N, Weissland T, Berthoin S, Legrand R, Prieur F, Rogez J, Thevenon A.
    Journal: Ann Readapt Med Phys; 2008 Dec; 51(9):707-13. PubMed ID: 19008006.
    Abstract:
    OBJECTIVE: To examine cardiorespiratory fitness changes in subjects having undergone knee surgery and to assess the benefits of one-leg cycling aerobic training program during the rehabilitation period. METHOD: Two groups of 12 patients took part in this study. The control group profited from a five weeks conventional rehabilitation in day hospital without cardiorespiratory training. The second group profited in supplement from a one-leg cycling aerobic training program with the valid leg. The subjects were trained for 21 min, by alternating 3 min at 70% and 3 min at 85% of VO(2 peak). They totaled 15 sessions spread over five weeks. The initial evaluation (T1) is carried out the first day of rehabilitation and the final evaluation (T2) at a distance within 35 days. The evaluation consisted in realizing a maximal graded tests starting from the valid leg. RESULTS: After five weeks of conventional rehabilitation, we record a reduction of peak power output (W(peak)), peak oxygen uptake (VO(2 peak)) and peak minute ventilation (VE(peak)), respectively of 11, 12 and 13% for the control group. On the other hand, in T2, the training group has on average identical maximum values and some of them increased (W(peak): +14%; VE(peak): +15%). The first and second ventilatory thresholds appear with higher intensities of exercises. CONCLUSION: After knee surgery, conventional rehabilitation does not limit cardiorespiratory deconditioning. One leg cycling appears to be an adapted method to stop the effects of hypoactivity.
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