期刊
JOURNAL OF SPORT REHABILITATION
卷 16, 期 2, 页码 85-92出版社
HUMAN KINETICS PUBL INC
DOI: 10.1123/jsr.16.2.85
关键词
proprioceptive neuromuscular facilitation; range of motion gain; flexibility
Context: Some researchers have suggested that an alteration of stretch perception could be responsible for the success of the contract-relax (CR) stretch, a stretch technique derived from proprioceptive neuromuscular facilitation (PNF). Objective: This study was conducted to determine if the alteration of the stretch perception is a possible explanation for the range of motion (ROM) gains of the CR stretch. Participants: Eighteen subjects performed two stretches in randomized order: the slow stretch and the CR stretch. Main Outcome Measure: The stretch intensity was controlled. The stretch force was measured and compared between the slow stretch and CR stretch. Results: There was a significant difference between the stretch force that could be applied in the PNF stretch (126.0 N) and the slow stretch (108.4 N); P = 0.00086. The average stretch tolerance progressively increased with successive trials from 120.6 N in the first trial to 132.4 N in the fourth trial. Conclusion: The alteration of stretch perception plays a role in the success of the CR form of PNF stretching. At least four repetitions of the CR stretch are recommended to get the greatest ROM gain. Key Words: proprioceptive neuromuscular facilitation, range of motion gain, flexibility
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