■下腰痛(LBP)是一种常见病,可影响所有年龄段的运动员。与曲棍球射击运动相关的LBP发作和恶化的危险因素尚不清楚。
■为了确定与青少年6个月以上的LBP和LBP发展相关的训练和生物力学因素,高中,和大学曲棍球运动员。
■病例对照研究;证据水平,3.
■在2016年1月至2019年1月期间,共有128名长曲棍球运动员参加了这项研究。玩家特征,曲棍球体验,和参与其他运动是自我报告的。在基线和2-,4-,和6个月的随访,玩家使用数字疼痛评分量表(0-10分)对LBP的存在和严重程度进行自我评估。参与者根据LBP症状进行分组:在任何时间点都没有LBP(n=102),预先存在的LBP(n=17),或在6个月内出现LBP(n=9)。曲棍球射击运动是通过三维运动分析捕获的,并记录运动学和动力学变量。在射击过程中,最大外侧躯干倾斜时,使用低背压指数来估计腰椎应力与骨盆加速度的关系。使用协方差和逻辑回归模型的单变量分析来实现研究目标。
■与非LBP组相比,先前存在的LBP组显示出骨盆最大角速度降低13.9%至22.9%,树干,和横向平面中的肩部(P<.05),横向平面内的骨盆-肩部集体旋转减少19.3%(P=.015),膝关节屈曲偏移增加4.5%(P=.063)。开发的LBP组在骨盆中产生了2.3%至11.1%的角速度,树干,和肩部和产生的最大骨盆加速度值比其余组高36%至42%(两者均P<0.05)。各组间平均低背应力指数值无统计学意义(无LBP:12,504±13,076deg2/s2;已有LBP:8808±10,174deg2/s2;已发展LBP:19,389±13,590deg2/s2;P=.157)。
■先前存在的LBP与骨盆运动明显受限有关,树干,曲棍球射击时的肩膀。骨盆加速度过高可能与曲棍球运动员LBP的发展有关。
UNASSIGNED: Low back pain (LBP) is a common condition that can affect athletes of all ages. The risk factors for LBP onset and worsening associated with the lacrosse shooting motion are not yet known.
UNASSIGNED: To identify training and biomechanical factors associated with preexisting LBP and development of LBP over 6 months in youth, high school, and
collegiate lacrosse players.
UNASSIGNED: Case-control study; Level of evidence, 3.
UNASSIGNED: A total of 128 lacrosse players were enrolled in this study between January 2016 and January 2019. Player characteristics, lacrosse experience, and participation in other sports were self-reported. At baseline and 2-, 4-, and 6-month follow-ups, the players self-rated the presence and severity of LBP using a numeric pain rating scale (0-10 points). Participants were grouped according to LBP symptoms: no LBP at any time point (n = 102), preexisting LBP (n = 17), or developed LBP within the 6-month period (n = 9). The lacrosse shooting motion was captured via 3-dimensional motion analysis, and kinematic and kinetic variables were recorded. A Low Back Stress Index was used to estimate lumbar stress as a function of pelvic acceleration at the time of maximum lateral trunk lean during the shot. Univariate analyses of covariance and logistic regression models were used to address study aims.
UNASSIGNED: Compared with the no-LBP group, the preexisting LBP group demonstrated 13.9% to 22.9% lower maximum angular velocities at the pelvis, trunk, and shoulders in the transverse plane (P < .05), 19.3% less collective pelvis-shoulder rotation in the transverse plane (P = .015), and 4.5% more knee flexion excursion (P = .063). The developed-LBP group produced 2.3% to 11.1% higher angular velocities in the pelvis, trunk, and shoulder and generated maximum pelvic acceleration values 36% to 42% higher than the remaining groups (P < .05 for both). Mean Low Back Stress Index values were not statistically significant among the groups (no LBP: 12,504 ± 13,076 deg2/s2; preexisting LBP: 8808 ± 10,174 deg2/s2; developed LBP: 19,389 ± 13,590 deg2/s2; P = .157).
UNASSIGNED: Preexisting LBP was associated with significantly restricted motion of the pelvis, trunk, and shoulders during a lacrosse shot. Excessive pelvic acceleration may be related to the development of LBP in lacrosse players.