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，尚未建立用于关节痛患者的安全有效的NW技术。我们评估了不同的NW方法，以实现适当的肌肉活动和躯干倾斜度在NW;此外，我们进行了干预研究，使用NW的髋关节骨关节炎患者。研究结果显示，以10-15%的体重垂直推动北欧极，是增加下肢及躯干肌肉活动最有效的方法。此外，发现NW在步行耐力（6分钟步行试验）方面对髋关节骨关节炎患者有效，这些患者报告了基于健康相关生活质量问卷（SF 36）子项评分的身体疼痛评分可接受。

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.