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Entrainement en endurance a partir du membre inferieur sain chez des footballeurs amateurs operes de ligamentoplastie de genou (One-leg cycling aerobic training with the healthy leg in amateur soccer players after anterior cruciate ligament reconstruction) [French]
Olivier N, Weissland T, Berthoin S, Legrand R, Prieur F, Rogez J, Thevenon A
Annales de Readaptation et de Medecine Physique 2008 Dec;51(9):707-713
clinical trial
6/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

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 VO2peak. 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 (Wpeak), peak oxygen uptake (VO2peak) and peak minute ventilation (VEpeak), 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 (Wpeak +14%; VEpeak +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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