| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○著者 (必須): | 1. | 西良 浩一 ([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.外科系.運動機能外科学])
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| 2. | (英) Kawamura Takeshi (日) (読)
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| 3. | (英) Mase Yasuyoshi (日) (読)
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| 4. | (英) Hada Yasushi (日) (読)
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| 5. | 酒井 紀典 ([徳島大学.病院.中央診療施設等.高度先進整形外科診療部])
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| 6. | (英) Hasebe Kiyotaka (日) (読)
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| 7. | (英) Dezawa Akira (日) (読)
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| ○題名 (必須): | □ | (英) Jack-knife stretching promotes flexibility of tight hamstrings after 4 weeks: a pilot study. (日)
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| ○要約 (任意): | □ | (英) (日) Tight hamstrings are reported to be one of the causes of low back pain. However, there have been few reports on effective stretching procedures for the tight hamstrings. The so-called jack-knife stretch, an active-static type of stretching, can efficiently increase the flexibility of tight hamstrings. To evaluate hamstring tightness before and after the 4-week stretching protocol in healthy volunteer adults and patients aged under 18 years with low back pain. For understanding the hamstrings tightness, we measured two parameters including (1) finger to floor distance (FFD) and (2) pelvis forward inclination angle (PFIA). Eight healthy adult volunteers who had no lumbar or hip problems participated in this study (mean age: 26.8 years). All lacked flexibility and their FFD were positive before the experiment. Subjects performed 2 sets of the jack-knife stretch every day for 4 weeks. One set consisted of 5 repetitions, each held for 5 s. Before and during the 4-week experiment, the FFD and PFIA of toe-touching tests were measured weekly. For 17 of the sports players aged under 18, only FFD was measured. In adult volunteers, FFD was 14.1 ± 6.1 cm before the experiment and decreased to -8.1 ± 3.7 cm by the end of week 4, indicating a gain in flexibility of 22.2 cm. PFIA was 50.6 ± 8.2 before the experiment and 83.8 ± 5.8 degrees after. Before and after the experiment, the differences were significant (p < 0.05). For those aged under 18, FFD was 8.1 ± 8.0 and -9.6 ± 6.8, before and after the stretching, respectively. This difference was significant (p < 0.05). The jack-knife stretch is a useful active-static stretching technique to efficiently increase flexibility of tight hamstrings.
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| ○誌名 (必須): | □ | European Journal of Orthopaedic Surgery & Traumatology (Société d'orthopédie et de traumatologie de l'Est de la France/Groupe d'étude pour la chirurgie osseuse/European Bone and Joint Infection Society)
(pISSN: 1633-8065, eISSN: 1432-1068)
| ○ISSN (任意): | □ | 1633-8065
ISSN: 1633-8065
(pISSN: 1633-8065, eISSN: 1432-1068) Title: European journal of orthopaedic surgery & traumatology : orthopedie traumatologieTitle(ISO): Eur J Orthop Surg TraumatolSupplier: Springer Online Journal ArchivePublisher: Springer (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 23
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| ○号 (必須): | □ | 6
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| ○頁 (必須): | □ | 657 663
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| ○年月日 (必須): | □ | 西暦 2013年 8月 末日 (平成 25年 8月 末日)
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| ○DOI (任意): | □ | 10.1007/s00590-012-1044-6 (→Scopusで検索)
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| ○PMID (任意): | □ | 23412177 (→Scopusで検索)
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| ○Scopus (任意): | □ | 2-s2.0-84880921241
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| ○備考 (任意): | 1. | (英) PublicationType: Journal Article (日)
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