Abstract:
OBJECTIVE:To compare active hamstring stiffness in female subjects with and without a history of low back pain (LBP) after a standardized 20-min aerobic-exercise session. DESIGN:Case control. SETTING:Laboratory. PARTICIPANTS:12 women with a history of recurrent episodes of LBP (age = 22.4 ± 2.1 y, mass = 67.1 ± 11.8 kg, height = 167.9 ± 8 cm) and 12 matched healthy women (age = 21.7 ± 1.7 y, mass = 61.4 ± 8.8 kg, height = 165.6 ± 7.3 cm). LBP subjects reported an average 6.5 ± 4.7 on the Oswestry Disability Index. INTERVENTIONS:Participants walked at a self-selected speed (minimum 3.0 miles/h) for 20 min. The treadmill incline was raised 1% grade per minute for the first 15 min. During the last 5 min, participants adjusted the incline of the treadmill so they would maintain a moderate level of perceived exertion through the end of the exercise protocol. MAIN OUTCOME MEASURES:During session 1, active hamstring stiffness, hamstring and quadriceps isometric strength, and concurrently collected electromyographic activity were recorded before and immediately after the exercise protocol. For session 2, subjects returned 48-72 h after exercise for repeat measure of active hamstring stiffness. RESULTS:Hamstring active stiffness (Nm/rad) taken immediately postexercise was not significantly different between groups. However, individuals with a history of recurrent LBP episodes presented significantly increased hamstring stiffness 48-72 h postexercise compared with controls. For other outcomes, there was no group difference. CONCLUSIONS:Women with a history of recurrent LBP episodes presented greater active hamstring stiffness 48-72 h after aerobic exercise.
journal_name
J Sport Rehabiljournal_title
Journal of sport rehabilitationauthors
Bedard RJ,Kim KM,Grindstaff TL,Hart JMdoi
10.1123/jsr.22.1.47subject
Has Abstractpub_date
2013-02-01 00:00:00pages
47-52issue
1eissn
1056-6716issn
1543-3072journal_volume
22pub_type
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journal_title:Journal of sport rehabilitation
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,评审
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,评审
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章,随机对照试验
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更新日期:2018-01-01 00:00:00
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journal_title:Journal of sport rehabilitation
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journal_title:Journal of sport rehabilitation
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更新日期:2018-07-01 00:00:00
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journal_title:Journal of sport rehabilitation
pub_type: 杂志文章
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更新日期:2019-09-24 00:00:00
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journal_title:Journal of sport rehabilitation
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journal_title:Journal of sport rehabilitation
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