Effects of a short proprioceptive neuromuscular facilitation stretching bout on quadriceps neuromuscular function, flexibility and vertical jump performance

Article Article scientifique Article Effects of a short proprioceptive neuromuscular facilitation stretching bout on quadriceps neuromuscular function, flexibility and vertical jump performance eng 2013 author Place Nicolas 683914 author Blum Yannick 582533 author Armand Stéphane 0000-0001-9144-4982 636265 author Maffiuletti Nicola A author Behm David G 463-470 10.1519/JSC.0b013e3182576ffe 22505131 1064-8011 Place, N, Blum, Y, Armand, S, Maffiuletti, NA, and Behm, DG. Effects of a short proprioceptive neuromuscular facilitation stretching bout on quadriceps neuromuscular function, flexibility, and vertical jump performance. J Strength Cond Res 27(2): 463-470, 2013-The inclusion of relatively long bouts of stretching (repeated static stretches of ∼30 seconds) in the warm-up is usually associated with a drop in muscle performance. The purpose of this study was to assess the effect of a novel self-administered proprioceptive neuromuscular facilitation (PNF) paradigm with short periods of stretching and contraction on quadriceps neuromuscular function, vertical jump performance, and articular range of motion (ROM). Twelve healthy men (age: 27.7 ± 7.3 years, height: 178.4 ± 10.4 cm, weight: 73.8 ± 16.9 kg) volunteered to participate in a PNF session and a control session separated by 2-7 days. The PNF stretching lasted 2 minutes and consisted of 4 sets of 5-second isometric hamstring contraction immediately followed by 5 seconds of passive static stretch of the quadriceps immediately followed by 5 seconds isometric quadriceps contraction for each leg. For the control session, the participants were asked to walk at a comfortable speed for 2 minutes. Active ROM of knee flexion, vertical jump performance, and quadriceps neuromuscular function were tested before, immediately after, and 15 minutes after the intervention. The PNF stretching procedure did not affect ROM, squat jump, and countermovement jump performances. Accordingly, we did not observe any change in maximal voluntary contraction force, voluntary activation level, M-wave and twitch contractile properties that could be attributed to PNF stretching. The present self-administered PNF stretching of the quadriceps with short (5-second) stretches is not recommended before sports where flexibility is mandatory for performance. Dewey 616.9802 Dewey 617 57 Département de chirurgie 222 52 Ecole d'éducation physique et de sport 27 false 74 Chirurgie orthopédique et traumatologique 98 236 Groupe Kayser Bengt (médecine du sport) 306 900 Laboratoire de cinésiologie 943 Journal of strength and conditioning research 27 2 e169eb93-bd4d-4ab5-9220-b675f5020c48 Article (Published version) Restricted Place-2013-Effects of a short p.pdf 310835 application/pdf restrictedAccess Faculté de médecine / Section de médecine clinique / Département de chirurgie Faculté de médecine / Ecole d'éducation physique et de sport

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Effects of a short proprioceptive neuromuscular facilitation stretching bout on quadriceps neuromuscular function, flexibility and vertical jump performance	Journal of strength and conditioning research			2013	672	0

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Blum, Yannick