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Stoop lifting is used in many sports for functional purposes, especially when quick lifts or short bursts of strength are required such as in rugby, American football, and track and field. The purpose of this study was to observe the activity of the back muscles during stoop lifting. Seven healthy male subjects (age = 23 years; body height = 173 cm; body mass = 70.6 kg) participated in the study. All subjects needs to lift two different weights of weight plate. The muscle activities at eight different locations were measured to investigate muscle effort during stoop lifting. EMG for left and right side of the erector spinae, latisimus dorsi, external oblique and internal oblique were recorded and analyzed. The results showed that average RMS values of the back muscles increases as the weight of the load increases. In the case of repetitive movements which normally practices in sports, the study suggests a proper training techniques which emphasis on core stability, postural awareness, and gradual progression as this lifting method is risky on the lumbar spine health.

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A Study on Muscle Activities During Stoop Lifting Movement

  • 会议论文

  • 发表日期：

    2026年

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  • Nurhidayah Omar,
  • Munawwarah Solihah Muhammad Isa,
  • Mohammad Shahril Salim,
  • Saidatul Ardeenawati Awang,
  • Suhizaz Sudin

摘要

Stoop lifting is used in many sports for functional purposes, especially when quick lifts or short bursts of strength are required such as in rugby, American football, and track and field. The purpose of this study was to observe the activity of the back muscles during stoop lifting. Seven healthy male subjects (age = 23 years; body height = 173 cm; body mass = 70.6 kg) participated in the study. All subjects needs to lift two different weights of weight plate. The muscle activities at eight different locations were measured to investigate muscle effort during stoop lifting. EMG for left and right side of the erector spinae, latisimus dorsi, external oblique and internal oblique were recorded and analyzed. The results showed that average RMS values of the back muscles increases as the weight of the load increases. In the case of repetitive movements which normally practices in sports, the study suggests a proper training techniques which emphasis on core stability, postural awareness, and gradual progression as this lifting method is risky on the lumbar spine health.