Hand-rim biomechanics during geared manual wheelchair propulsion over different ground conditions in individuals with spinal cord injury

J Biomech, 2022 · DOI: 10.1016/j.jbiomech.2022.111235 · Published: September 1, 2022

Spinal Cord Injury Assistive Technology Biomechanics

Simple Explanation

This study investigates how geared manual wheelchairs affect the way people with spinal cord injuries (SCI) push their wheelchairs. The research compares standard gears to low gears on different surfaces like tile, carpet, and ramps. The findings suggest that using low gear may reduce strain on the upper body, potentially decreasing injury risk.

Study Duration

Not specified

Participants

Seven manual wheelchair users with SCI

Evidence Level

Not specified

Key Findings

1
Using low gear decreased propulsion speed compared to standard gear.
2
Peak hand-rim force was significantly reduced in low gear across all tested surfaces.
3
Low gear significantly increased the number of strokes needed to travel a set distance.

Research Summary

The study examined the biomechanics of geared manual wheelchair propulsion in individuals with SCI across various terrains. Results indicated that low gear reduces propulsion speed, peak hand-rim force, and peak propulsive moment compared to standard gear. The findings suggest that geared wheels could be beneficial for strenuous tasks, potentially reducing the risk of upper extremity injuries.

Practical Implications

Reduced Upper Extremity Strain

Geared wheelchairs may help reduce the risk of upper extremity injuries by decreasing the force needed for propulsion.

Improved Independence

The use of geared wheels could allow wheelchair users to perform strenuous tasks more independently.

Clinical Decision Making

These findings can inform wheelchair prescription, training, and usage recommendations for clinicians.

Hand-rim biomechanics during geared manual wheelchair propulsion over different ground conditions in individuals with spinal cord injury

Simple Explanation

Key Findings

Research Summary

Practical Implications

Reduced Upper Extremity Strain

Improved Independence

Clinical Decision Making

Study Limitations

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Was this summary helpful?

Hand-rim biomechanics during geared manual wheelchair propulsion over different ground conditions in individuals with spinal cord injury

Simple Explanation

Key Findings

Research Summary

Practical Implications

Reduced Upper Extremity Strain

Improved Independence

Clinical Decision Making

Study Limitations

Your Feedback

Was this summary helpful?