Department of Neuropsychiatry, Yamanashi Prefectural Kita Hospital, Yamanashi, Japan; Department of Neuropsychiatry, Keio University School of Medicine, Tokyo, Japan.
J Psychiatr Res. 2013 Nov;47(11):1744-50. doi: 10.1016/j.jpsychires.2013.07.017. Epub 2013 Aug 8.
Postural instability is a serious concern in patients with schizophrenia-spectrum disorders since it is expected to increase the risk of falls that may lead to fractures. The impact of yoga therapy on postural stability has not been investigated.
In this eight-week single-blind randomized controlled study with an eight-week follow-up, outpatients with schizophrenia or related psychotic disorder (ICD-10) were randomly assigned to either yoga therapy or a control group. In the yoga therapy group, the subjects received weekly sessions of 60-min yoga therapy for eight weeks in addition to their ongoing treatment. In the control group, the subjects received a weekly regular day-care program. The assessments that were performed at the baseline and endpoint included the Clinical Stabilometric Platform (CSP), anteflexion in standing.
Forty-nine patients participated in this study (32 men; mean ± SD age, 53.1 ± 12.3 years): yoga therapy group (n = 25) and control group (n = 24). In the yoga group, significant improvements were observed in a total length of trunk motion, the Romberg ratio, and anteflexion in standing at week 8 (mean ± SD: 63.9 ± 40.7-53.4 ± 26.2 cm, 1.6 ± 0.9-1.1 ± 0.6, and -8.7 ± 9.5 to -3.8 ± 12.4 cm, respectively) while there were no significant changes in the control group. However, those clinical gains returned to the baseline level at week 16.
The results confirmed the beneficial effects of the yoga therapy on postural stability in patients with schizophrenia. However, the therapeutic effects seemed transient, which warrants further investigations on strategies to sustain the improvements.
姿势不稳定是精神分裂症谱系障碍患者的严重问题，因为预计这会增加跌倒的风险，从而导致骨折。瑜伽疗法对姿势稳定性的影响尚未得到调查。
在这项为期八周的单盲随机对照研究中，对门诊精神分裂症或相关精神病障碍（ICD-10）患者进行了八周的随访，将他们随机分配到瑜伽治疗组或对照组。在瑜伽治疗组中，受试者在接受八周每周一次的 60 分钟瑜伽治疗的同时，还接受他们的常规治疗。在对照组中，受试者接受每周一次的常规日间护理计划。在基线和终点进行的评估包括临床稳定平台（CSP）、站立前屈。
49 名患者参与了这项研究（32 名男性；平均年龄±标准差，53.1±12.3 岁）：瑜伽治疗组（n=25）和对照组（n=24）。在瑜伽组中，第 8 周时，躯干运动总长度、Romberg 比值和站立前屈均显著改善（均值±标准差：63.9±40.7-53.4±26.2cm，1.6±0.9-1.1±0.6，-8.7±9.5 至-3.8±12.4cm），而对照组则没有显著变化。然而，这些临床改善在第 16 周时又恢复到基线水平。
研究结果证实了瑜伽疗法对精神分裂症患者姿势稳定性的有益影响。然而，治疗效果似乎是短暂的，这需要进一步研究维持改善的策略。
