Assessing Stability of Crutch Users by Non-Contact Methods

Area of Science:

• Biomechanics
• Rehabilitation Engineering
• Medical Imaging

Background:

• Gait stability is crucial for crutch users, but traditional analysis tools face challenges with their unique movement patterns.
• Existing gait analysis methods can be expensive and invasive, limiting accessibility for temporary and permanent crutch users.

Purpose of the Study:

• To develop and validate a non-contact, low-cost video analysis approach for assessing gait stability in individuals using crutches.
• To differentiate gait stability metrics between novice, long-term, and physically disabled crutch users.

Main Methods:

• A novel video analysis technique was employed to capture gait data from participants using crutches.
• Calculated the Signal to Noise Ratio (SNR) of acceleration and the SNR of jerk (time derivative of acceleration) from processed video data.
• Tested the methodology on 10 participants: 5 temporary users (1 long-term, 4 novice) and 5 permanent disabled users.

Main Results:

• Preliminary results indicate distinct differences in gait stability metrics between novice, long-term, and physically disabled crutch users.
• The video analysis approach successfully differentiated between user groups based on calculated SNR values.
• The method demonstrated potential for objective gait stability assessment in diverse crutch-using populations.

Conclusions:

• The proposed non-contact, video-based method offers a promising and cost-effective solution for assessing crutch user gait stability.
• This approach can aid in identifying gait deviations, facilitating targeted interventions to prevent falls and improve mobility.
• The findings suggest potential for widespread application in clinical settings and rehabilitation programs for crutch users.