在体分析北欧健走新手髋关节的受力情况。
In vivo analysis of hip joint loading on Nordic walking novices.
机构信息
Center for Musculoskeletal Surgery, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität Zu Berlin, and Berlin Institute of Health, Chariteplatz 1, 10117, Berlin, Germany.
Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Julius Wolff Institute, Augustenburger Platz 1, 13353, Berlin, Germany.
出版信息
J Orthop Surg Res. 2021 Oct 14;16(1):596. doi: 10.1186/s13018-021-02741-7.
OBJECTIVE
To evaluate the influence of Nordic walking (NW) on hip joint loads in order to determine whether it can be safely performed during postoperative physiotherapy in patients after orthopeadic surgery of the hip.
METHODS
Internal hip joint loads were directly measured in vivo in 6 patients using instrumented hip prostheses during NW and ordinary walking (OW). All patients received training in two different NW techniques (double-poling and the diagonal technique) by a certified NW instructor. Measurements were conducted on a treadmill at a speed of 4 km/h on level ground, at 10% inclination and at 10% slope as well as on a level lawn at a self chosen comfortable speed. Resultant contact force (F), bending moment (M) and torsional torque (M) were compared between NW and OW as well as between both NW techniques.
RESULTS
Joint loads showed a double peak pattern during all setups. Neither NW technique significantly influenced hip joint loads at the time of the first load peak during contralateral toe-off (CTO), which was also the absolute load peak, in comparison to OW. Compared to OW, double-poling significantly reduced F and M at the time of the second load peak during the contralateral heel strike (CHS) on level ground both on the treadmill (- 6% and - 7%, respectively) and on the lawn (- 7% and - 9%). At 10% inclination, the diagonal technique increased F and M at CHS (by + 6% and + 7%), but did not increase the absolute load peak at CTO.
CONCLUSION
Joint loads during NW are comparable to those of OW. Therefore, NW can be considered a low-impact activity and seems to be safe for patients that are allowed full weight bearing, e.g. during postoperative rehabilitation after THA.
目的
评估北欧式健走（NW）对髋关节负荷的影响，以确定其是否可以在髋关节骨科手术后的患者术后物理治疗期间安全进行。
方法
使用仪器化髋关节假体在 6 名患者体内直接测量 NW 和普通行走（OW）期间的髋关节内负荷。所有患者均由经过认证的 NW 教练接受了两种不同的 NW 技术（双杖和对角技术）的培训。在水平地面、10%坡度和 10%倾斜度的跑步机上以及在水平草坪上以自感舒适的速度进行测量。比较 NW 和 OW 以及两种 NW 技术之间的合力（F）、弯矩（M）和扭转力矩（M）。
结果
所有设置均显示关节负荷呈双峰模式。与 OW 相比，在对侧脚趾离地（CTO）时，即在绝对负荷峰值时，两种 NW 技术均未显着影响第一负荷峰值时的髋关节负荷。与 OW 相比，在水平地面和草坪上，双杖在对侧脚跟撞击（CHS）时显着降低了 F 和 M 的第二负荷峰值（分别为-6%和-7%）。在 10%的倾斜度下，对角技术增加了 CHS 时的 F 和 M（分别增加了+6%和+7%），但没有增加 CTO 时的绝对负荷峰值。
结论
NW 期间的关节负荷与 OW 相似。因此，NW 可以被认为是一种低冲击活动，并且似乎对允许完全负重的患者是安全的，例如在 THR 后的术后康复期间。
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