Development of the way of Nordic Walking for elderly people with arthralgia and verification of its intervention effect.

近年来，北欧步行（NW）作为一种运动形式在世界范围内流行起来。然而，对于关节痛患者，一种安全有效的NW技术尚未建立。我们评估了不同的NW方法，以获得适当的肌肉活动和躯干倾斜在NW；此外，我们使用NW对髋关节骨关节炎患者进行了一项干预研究。我们的研究结果表明，增加下肢和躯干肌肉活动的最有效方法是用体重的10-15%垂直推动北欧极点。此外，研究发现NW对髋关节骨关节炎患者在步行耐力（6分钟步行测试）方面有效，并且这些患者报告了基于健康相关生活质量问卷（SF36）分项得分的可接受的身体疼痛评分。

In recent years, Nordic walking (NW) has become popular worldwide as a form of exercise. However, a safe and effective NW technique has not been established for patients with arthralgia. We assessed different NW methods for achieving appropriate muscle activity and trunk inclination during NW; further, we performed an intervention study using NW for patients with osteoarthritis of the hip joint. Our findings revealed that the most effective way to increase the muscle activity of lower limb and trunk was to push the Nordic poles vertically using 10-15% of the body weight. Moreover, NW was found to be effective for patients with osteoarthritis of the hip joint in terms of walking endurance (6-min walking test), and an acceptable score for bodily pain, based on Health Related Quality of Life Questionnaire (SF36) sub-item scores, was reported by these patients.