Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Test-Retest reliability of performance, knee functionality and movement quality biomechanics in agility T-test using markerless motion capture.

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same author

Kinematic and Muscle Activation Differences Between High-Performance and Intermediate Tennis Players During the Forehand Drive.

Sensors (Basel, Switzerland)·2026
Same author

Influence of noise and effect characteristics on statistical power in the analyses of one-dimensional biomechanical trajectories.

Journal of biomechanics·2026
Same author

Gait pathomechanics in early-stage knee osteoarthritis: do non-traumatic and post-traumatic patients walk differently?

Journal of electromyography and kinesiology : official journal of the International Society of Electrophysiological Kinesiology·2026
Same author

Sample size estimation for local hypothesis testing of functional data in medical studies: method comparison, recommendations, and a web application.

BMC medical research methodology·2026
Same author

Can You Trust Your Strength Assessment? Evaluating the Reliability and Validity of Handheld and Externally Fixated Dynamometers for Measuring Knee and Hip Strength.

Sports health·2025

相关实验视频

Updated: Jan 14, 2026

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder
06:54

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Published on: March 4, 2018

14.7K

有多少步骤是可靠的无标记步态分析所需的?

Andreia Carvalho1, Jos Vanrenterghem2, Todd C Pataky3

  • 1LBMF, CIPER, Faculdade de Motricidade Humana, Universidade Lisboa, Lisboa P-1499-002, Portugal; Musculoskeletal Rehabilitation Research Group, Faculty of Movement and Rehabilitation Sciences, Leuven KU, Belgium; Escola Superior de Saúde de Lisboa, Instituto Politécnico de Lisboa, Lisboa 1990-096, Portugal.

Gait & posture
|October 24, 2025
PubMed
概括

对于老年人来说,无标记运动捕捉需要至少7步步才能进行可靠的步态分析. 这一发现对于评估容忍度有限的人群至关重要,优化了数据收集策略.

关键词:
生物力学 生物力学在类内相关系数的相关系数.年龄较大的成年人.测量的标准误差 测量的标准误差测试-重新测试

更多相关视频

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb
08:24

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Published on: August 30, 2016

10.6K
Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents
04:37

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents

Published on: July 6, 2022

2.8K

相关实验视频

Last Updated: Jan 14, 2026

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder
06:54

Clinical-oriented Three-dimensional Gait Analysis Method for Evaluating Gait Disorder

Published on: March 4, 2018

14.7K
Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb
08:24

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Published on: August 30, 2016

10.6K
Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents
04:37

Comprehensive Understanding of Inactivity-Induced Gait Alteration in Rodents

Published on: July 6, 2022

2.8K

科学领域:

  • 生物力学 生物力学
  • 步态分析 步态分析
  • 运动捕捉技术的技术.

背景情况:

  • 无标记运动捕捉是步态分析的新兴技术.
  • 传统方法给老年人带来了挑战,包括有限的评估耐受性和步数.
  • 调查步数对可靠性的影响对于这个人群至关重要.

研究的目的:

  • 为了确定在老年人中可靠的无标记步态生物力学所需的最低步数.
  • 评估步数对测试重试可靠性和测量误差的影响.
  • 为这一群体建立最佳的数据收集策略.

主要方法:

  • 在两次会议中,对29名老年人的20步步骤进行了分析.
  • 计算了下肢动力学和动力学.
  • 平均值为2-19步的子集,会话之间有不同的数字,以计算可靠性指标 (iICC,SEM).

主要成果:

  • 至少7步的步伐实现了可靠的步态分析 (iICC ≥0.75),其最大可靠性下降不到10%.
  • 运动标准测量误差 (SEM) 一般保持在2度以下.
  • 对于动力学SEM低于5%的四步足够.

结论:

  • 在老年人中,七步通常足以获得可靠的无标记运动和动力学.
  • 这些发现对于评估容忍度有限的人群来说尤为重要.
  • 灵活的跨会话步数收集可以提高数据收集效率,同时保持可靠性.