Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine · 2020
Enhanced External Counterpulsation and Recovery From a Plyometric Exercise Bout.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Valenzuela Pedro L, Montalvo Zigor, Torrontegi Elaia, Sánchez-Martínez Guillermo, Lucia Alejandro, de la Villa Pedro
Аннотация
OBJECTIVE: To analyze the effectiveness of enhanced external counterpulsation (EECP) on recovery from exercise-induced muscle damage (EIMD).
DESIGN: This study followed a crossover, placebo-controlled, counterbalanced design.
PARTICIPANTS: Ten healthy active subjects (7 male; 27 ± 4 years).
INTERVENTIONS: Participants performed a plyometric exercise bout (10 sets of 10 jumps interspersed with 1-minute rests) and were then assigned to recover for 30 minutes with either EECP (cuff pressure = 80 mm Hg) or a Sham intervention (0 mm Hg) immediately after exercise and at 24 hours after exercise. Two weeks later, they repeated the protocol with the other recovery intervention.
MAIN OUTCOME MEASURES: Muscle soreness, creatine kinase (CK) activity, jump performance, and tensiomyographic variables were measured before exercise, and 24 and 48 hours after exercise.
RESULTS: The mean jump height of the plyometric bout did not differ between EECP and Sham (P > 0.05). Exercise resulted in increased muscle soreness (P < 0.001) and CK levels (P < 0.001), as well as in impaired jump performance (P < 0.05). No changes were observed in tensiomyographic variables. No significant differences were found between interventions for any of the study outcomes.
CONCLUSIONS: No benefits on recovery from EIMD after a plyometric exercise bout were observed with EECP.
DESIGN: This study followed a crossover, placebo-controlled, counterbalanced design.
PARTICIPANTS: Ten healthy active subjects (7 male; 27 ± 4 years).
INTERVENTIONS: Participants performed a plyometric exercise bout (10 sets of 10 jumps interspersed with 1-minute rests) and were then assigned to recover for 30 minutes with either EECP (cuff pressure = 80 mm Hg) or a Sham intervention (0 mm Hg) immediately after exercise and at 24 hours after exercise. Two weeks later, they repeated the protocol with the other recovery intervention.
MAIN OUTCOME MEASURES: Muscle soreness, creatine kinase (CK) activity, jump performance, and tensiomyographic variables were measured before exercise, and 24 and 48 hours after exercise.
RESULTS: The mean jump height of the plyometric bout did not differ between EECP and Sham (P > 0.05). Exercise resulted in increased muscle soreness (P < 0.001) and CK levels (P < 0.001), as well as in impaired jump performance (P < 0.05). No changes were observed in tensiomyographic variables. No significant differences were found between interventions for any of the study outcomes.
CONCLUSIONS: No benefits on recovery from EIMD after a plyometric exercise bout were observed with EECP.