Neuromuscular Assessment Laboratory, Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Carolina Center for Healthy Work Design and Worker Well-Being, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Int J Environ Res Public Health. 2023 Jan 27;20(3):2236. doi: 10.3390/ijerph20032236.
Upper body (UB) strength is important for occupational tasks and injury prevention in law enforcement officers (LEOs). Portable, reliable, and cost-effective assessments are needed to examine UB strength among LEOs in field settings. The purpose of this study was to examine the test-retest reliability and minimum difference (MD) values of a novel and portable isometric upright row assessment in probation officers. Thirty certified probation officers (18 women; age = 38.9 ± 9.0 years, body mass = 98.8 ± 27.1 kg, stature = 171.4 ± 14.0 cm) volunteered for this investigation. Testing occurred on-site across two sessions (2-5 days apart). Participants stood upon an aluminum plate with a chain attached to a handle and dynamometer. They grasped the handle with a pronated grip, two cm below the umbilicus, and performed three isometric maximal voluntary contractions. Intraclass correlation coefficient (ICC2,1), standard error of the measurement (SEM), and MD values were calculated. Results indicated no significant systematic error ( = 0.080) across sessions. The ICC2,1, SEM, and MD values for UB strength were 0.984, 27.20 N (4.1% of the mean), and 75.38 N (11.3% of the mean), respectively. These data suggest this isometric upright row assessment is a reliable, portable, and cost-effective measure of UB strength to assess and monitor LEOs in field settings.
上身（UB）力量对于执法人员（LEO）的职业任务和伤害预防很重要。需要便携式、可靠且具有成本效益的评估方法来检查现场环境中 LEO 的 UB 力量。本研究的目的是检验一种新型便携式等长直立划船评估在缓刑官中的测试-重测可靠性和最小差值（MD）值。30 名认证缓刑官（18 名女性；年龄=38.9±9.0 岁，体重=98.8±27.1kg，身高=171.4±14.0cm）自愿参加了这项研究。测试在两个阶段（相隔 2-5 天）在现场进行。参与者站在带有链条的铝板上，链条连接到手柄和测力计上。他们使用手掌朝下的握法握住手柄，位于肚脐下方两厘米处，并进行三次等长最大自主收缩。计算了组内相关系数（ICC2,1）、测量标准误差（SEM）和 MD 值。结果表明，两个阶段之间没有显著的系统误差（=0.080）。UB 力量的 ICC2,1、SEM 和 MD 值分别为 0.984、27.20N（平均值的 4.1%）和 75.38N（平均值的 11.3%）。这些数据表明，这种等长直立划船评估是一种可靠、便携式且具有成本效益的 UB 力量评估方法，可用于评估和监测现场环境中的 LEO。
