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Isolated Lumbar Extension Resistance Training Improves Strength, Pain, and Disability, but Not Spinal Height or Shrinkage ("Creep") in Participants with Chronic Low Back Pain.
CARTILAGE ( IF 2.8 ) Pub Date : 2017-02-01 , DOI: 10.1177/1947603517695614
James Steele 1 , Stewart Bruce-Low 2 , Dave Smith 3 , David Jessop 2 , Neil Osborne 4
Affiliation  

OBJECTIVE Loss of disc height is commonly associated with chronic low back pain (CLBP). Isolated lumbar extension (ILEX) exercise for the lumbar extensors is recommended to treat CLBP and is suggested such exercise might promote disc healing and regeneration. This study examined a 12-week ILEX intervention on indirect determination of disc height and shrinkage through seated stadiometry, strength, pain, and disability. DESIGN A quasi-experimental wait-list controlled design was used. Nine participants underwent pretesting (T1), a 12-week control period, retesting (T2), a 12-week intervention period, and finally posttesting (T3). Seated stadiometry, ILEX strength, pain, and disability were measured at each time point. RESULTS No significant repeated-measures effects for any seated stadiometry variables occurred. Significant improvement across the intervention period (T2 to T3) was found for strength ( P <0.0001; effect size [ES] = 2.42). Change in pain was not significant for repeated effects ( P = 0.064); however, ES for the intervention period (T2 to T3) was moderate (ES = -0.77). Change in disability was significant between time point T1 and T3 ( P = 0.037) and ES for the intervention period (T2 to T3) was large (ES = -0.92). Pain and disability achieved minimal clinically important changes. CONCLUSIONS This is apparently the first study to examine disc change in vivo after exercise in CLBP. Results of the present study, though supporting ILEX resistance training to improve strength, pain, and disability, did not find any effect on spinal height.

中文翻译:

孤立的腰椎伸展阻力训练可改善患有慢性下腰痛的参与者的力量,疼痛和残疾,但不能改善脊柱高度或收缩(“蠕变”)。

目的椎间盘高度下降通常与慢性下腰痛(CLBP)有关。建议对腰部伸肌进行单独的腰椎伸展运动(ILEX),以治疗CLBP,并建议这种运动可能会促进椎间盘的愈合和再生。这项研究检查了一项为期12周的ILEX干预措施,通过坐位测量法,力量,疼痛和残疾状况间接确定了椎间盘的高度和收缩。设计使用准实验等待清单控制的设计。9名参与者进行了预测试(T1),12周的对照期,重新测试(T2),12周的干预期,最后进行了后测试(T3)。在每个时间点测量坐姿测量法,ILEX强度,疼痛和残疾。结果对于任何坐姿测量变量,均未出现明显的重复测量效果。整个干预期间(T2至T3)的力量均有显着改善(P <0.0001;效应量[ES] = 2.42)。反复变化对疼痛的影响不明显(P = 0.064);但是,干预期(T2至T3)的ES中等(ES = -0.77)。在时间点T1和T3之间,残疾的变化很明显(P = 0.037),干预期间(T2至T3)的ES很大(ES = -0.92)。疼痛和残疾在临床上几乎没有重要变化。结论这显然是第一个研究在CLBP运动后在体内检查椎间盘变化的研究。本研究的结果尽管支持ILEX抵抗训练以改善强度,疼痛和残疾,但并未对脊柱高度产生任何影响。反复变化对疼痛的影响不明显(P = 0.064);但是,干预期(T2至T3)的ES中等(ES = -0.77)。在时间点T1和T3之间,残疾的变化很明显(P = 0.037),干预期间(T2至T3)的ES很大(ES = -0.92)。疼痛和残疾在临床上几乎没有重要变化。结论这显然是第一个研究在CLBP运动后在体内检查椎间盘变化的研究。本研究的结果尽管支持ILEX抵抗训练以改善强度,疼痛和残疾,但并未对脊柱高度产生任何影响。反复变化对疼痛的影响不明显(P = 0.064);但是,干预期(T2至T3)的ES中等(ES = -0.77)。在时间点T1和T3之间,残疾的变化很明显(P = 0.037),干预期间(T2至T3)的ES很大(ES = -0.92)。疼痛和残疾在临床上几乎没有重要变化。结论这显然是第一个研究在CLBP运动后在体内检查椎间盘变化的研究。本研究的结果尽管支持ILEX抵抗训练以改善强度,疼痛和残疾,但对脊柱高度没有任何影响。037)和干预期(T2至T3)的ES较大(ES = -0.92)。疼痛和残疾几乎没有临床上重要的改变。结论这显然是第一个研究在CLBP运动后体内椎间盘变化的研究。本研究的结果尽管支持ILEX抵抗训练以改善强度,疼痛和残疾,但对脊柱高度没有任何影响。037)和干预期(T2至T3)的ES较大(ES = -0.92)。疼痛和残疾在临床上几乎没有重要变化。结论这显然是第一个研究在CLBP运动后在体内检查椎间盘变化的研究。本研究的结果尽管支持ILEX抵抗训练以改善强度,疼痛和残疾,但并未对脊柱高度产生任何影响。
更新日期:2020-03-30
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