Changes in daily sedentary time, in adolescents with long-standing knee pain, during a management strategy including activity modification: An ancillary analysis of two clinical trials

IF 2.2 3区医学 Q1 REHABILITATION Physical Therapy in Sport Pub Date : 2024-11-16 DOI:10.1016/j.ptsp.2024.11.003

Magnus Bye Blumenfeld , Christian Lund Straszek , Sinead Holden , Kristian Thorborg , Michael Skovdal Rathleff

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Abstract

Objectives

The aim was to investigate changes in sedentary time during an activity modification strategy for sports-active adolescents with patellofemoral pain (PFP) and Osgood-Schlatter (OSD).

Design

Explorative ancillary analysis of two different prospective clinical trials with two different endpoint timelines.

Methods

202 adolescents with either PFP or OSD were included. ActiGraph GT3X + objectively measured sedentary time before, during, and after adolescents were instructed to modify sports participation, requiring a minimum of 4 days with 10 h of wear time. Daily sedentary time was calculated from ≥10 min of consecutive bouts.

Results

138 adolescents with PFP and 47 with OSD were eligible for inclusion. Adolescents with PFP had a non-significant increase of 14min/day change in sedentary time from baseline to during the activity modification. Adolescents with OSD had non-significant increases of 9min/day and 0min/day in sedentary time from baseline to immediately following the activity modification period and at the 12 weeks follow-up. There was variability in the individual adolescents’ sedentary time during the intervention.

Conclusion

Activity modification in adolescents with PFP or OSD was associated with none, or only small systematic changes in sedentary time.

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在采取包括活动调整在内的管理策略期间，患有长期膝关节疼痛的青少年每天久坐时间的变化：两项临床试验的辅助分析

目的研究患有髌骨股骨痛（PFP）和奥斯古德-施拉特（OSD）的运动型青少年在活动调整策略期间久坐时间的变化。方法纳入了 202 名患有 PFP 或 OSD 的青少年。ActiGraph GT3X + 可客观测量青少年在接受指导改变运动参与之前、期间和之后的久坐时间，要求至少佩戴 4 天，佩戴时间为 10 小时。每天的久坐时间根据≥10分钟的连续运动时间计算。结果138名患有PFP的青少年和47名患有OSD的青少年符合纳入条件。从基线到活动调整期间，PFP 青少年每天的久坐时间增加了 14 分钟，但增加幅度不大。患有 OSD 的青少年的久坐时间从基线到活动调整期结束后和 12 周的随访期间分别增加了 9 分钟和 0 分钟，但并不显著。在干预期间，每个青少年的久坐时间存在差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical Therapy in Sport 医学-康复医学

CiteScore

4.50

自引率

8.30%

发文量

125

审稿时长

39 days

期刊介绍： Physical Therapy in Sport is an international peer-reviewed journal that provides a forum for the publication of research and clinical practice material relevant to the healthcare professions involved in sports and exercise medicine, and rehabilitation. The journal publishes material that is indispensable for day-to-day practice and continuing professional development. Physical Therapy in Sport covers topics dealing with the diagnosis, treatment, and prevention of injuries, as well as more general areas of sports and exercise medicine and related sports science. The journal publishes original research, case studies, reviews, masterclasses, papers on clinical approaches, and book reviews, as well as occasional reports from conferences. Papers are double-blind peer-reviewed by our international advisory board and other international experts, and submissions from a broad range of disciplines are actively encouraged.