A Comparative Analysis of Rectus Femoris Activity and Center of Pressure Shift During Different Squatting Positions Among Recreational Athletes.
试验速览
- 阶段
- 不适用
- 状态
- 尚未招募
- 发起方
- 入组人数
- 34
- 试验地点
- 1
- 主要终点
- Rectus femoris muscle activity measured with surface EMG, expressed as % of maximum voluntary isometric contraction (MVIC). This shows how muscle activation changes with squatting angle and shift of COP.
研究概览
简要总结
Squatting is a common exercise used in sports training and rehabilitation to improve lower limb strength and stability. The rectus femoris muscle plays an important role in knee and hip movement, and changes in body weight distribution during squats may affect muscle activation and balance. However, limited studies have examined rectus femoris muscle activity together with center of pressure (COP) changes during different squat positions and angles.
This study aims to compare rectus femoris muscle activation and center of pressure shift during normal and forward-shifted squatting positions at three knee flexion angles (30°, 45°, and 90°) among recreational athletes aged 18–25 years. Surface electromyography (EMG) and a foot scanner will be used to record muscle activity and COP displacement simultaneously.
The findings of this study may help physiotherapists and sports professionals design more effective squat-based rehabilitation and training protocols by understanding how weight shift and squat depth influence muscle activation and balance.
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 18.00 Year(s) 至 25.00 Year(s)（—）
- 性别
- All
入选标准
- •Recreational athletes of Age 18–25 years (both males and females).BMI within the normal range (18.5–24.9)Able to perform squats without pain or discomfort.
- •Willing to participate study.
排除标准
- •Current or recent history (within the past 6 months) of lower limb injury, surgery, or fracture.Any diagnosed neurological, cardiovascular, or musculoskeletal condition affecting squat performance or balance.Use of assistive devices for mobility.Severe foot deformities or abnormal gait that may affect COP readings.
- •Unable to follow instructions or hold squat positions.
结局指标
主要结局
Rectus femoris muscle activity measured with surface EMG, expressed as % of maximum voluntary isometric contraction (MVIC). This shows how muscle activation changes with squatting angle and shift of COP.
时间窗: Baseline assessment .
次要结局
未报告次要终点
研究者
Mansi Mehra
Manav rachna international institute of research and studies.