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Related Experiment Video

Updated: Sep 16, 2025

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors

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A Study on Influence of Yoga Practice on Segmental Trunk Control Using 3D Kinematic Evaluation Method.

Rajani Mullerpatan¹, Triveni Shetty², Robert van Deursen³

¹MGM Centre of Human Movement Science, MGM School of Physiotherapy, MGM Institute of Health Sciences, Plot Number 1&2, Sector1, Kamothe, Navi Mumbai, Maharashtra, India. rajani.kanade@gmail.com.

Annals of Biomedical Engineering

|July 8, 2025

Summary

Regular yoga practice enhances segmental trunk control and overall postural stability. This mind-body exercise improves the ability to maintain balance, benefiting individuals with movement and balance disorders.

Keywords:

Anterior–posterior stability Marker displacement Medio-lateral stability Postural sway Segmental trunk control Yoga

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Area of Science:

Biomechanics and Motor Control
Neuroscience
Exercise Physiology

Background:

Segmental trunk control is crucial for upright posture, stability, and daily activities.
Its role in postural control is not fully understood due to limited measurement.
Yoga is known to improve postural control, but its effect on segmental trunk control is unexplored.

Purpose of the Study:

To investigate the influence of regular yoga practice on segmental trunk control.
To compare segmental trunk control in advanced yoga practitioners versus healthy adults.
To utilize 3D kinematic evaluation for assessing trunk motion.

Main Methods:

Ten advanced yoga practitioners (>5 years) and ten age-matched healthy adults participated.
Segmental trunk control was quantified as trunk motion relative to the pelvis.
Motion was calculated using sternum and pelvic marker displacement in sagittal and frontal planes.

Main Results:

Yoga practitioners exhibited significantly less marker displacement variability (sternum, pelvis, ankle) compared to controls (p < 0.001).
Advanced yoga practitioners demonstrated significantly greater segmental trunk control.
Segmental trunk motion in the frontal plane was 50% lower in yoga practitioners (p < 0.001).

Conclusions:

Regular yoga practice positively influences segmental trunk control and reduces body sway, enhancing overall postural control.
Yoga may offer therapeutic potential for individuals with impaired trunk-pelvic dissociation, such as those with Parkinson's disease, stroke, or cerebral palsy.
Yoga practice can be recommended for improving trunk segmental control in various balance and neuro-musculoskeletal disorders.