Assessment of gait irregularities in the horse: eye vs. gait analysis.

This research study sought to gauge the effectiveness of two separate gait analysis methods in recognising minor instances of lameness in horses. The study involved subjectively and objectively evaluating 22 horses and comparing the results with an orthodox orthopaedic examination. The study concluded that although gait analysis can provide supplemental knowledge on gait variations, this data must be interpreted mindfully and should always be related to clinical observations.

Research Methodology and Procedures

• The study engaged 22 horses that were assessed both subjectively by three distinct experienced clinicians and objectively through synchronised ground reaction force and accelerometric gait measurements conducted on a treadmill.
• In order to maintain independence in the evaluation methods, the horses were assigned to one of three groups based on sound, front limb lameness, or hindlimb lameness for each of the three methods separately.
• For every horse, the researchers established the affected limb and degree of lameness.
• Correlation analysis was performed using Spearman and Pearson methods. The relationship between ground reaction forces and dorsoventral and mediolateral accelerations were studied using the Pearson correlation matrix.

Findings and Conclusions

• Results showed significant correlation between clinical ground reaction (GR) and GR based on force and acceleration data respectively.
• Furthermore, the affected limb based on clinical and ground reaction force revealed significant correlation.
• Interestingly, no substantial correlation was found between the two measurement methods for GR or for the degree of lameness across the three assessment methods.
• It was deduced from the Pearson correlation matrix that there were notable correlations between peak vertical forces and dorsoventral acceleration in the hind limbs.
• The researchers concluded that kinetic parameters measurement can help complement clinical evaluations, providing additional knowledge in detecting subtle gait alterations in horses.
• However, they cautioned that such information must be carefully put into context and invariably correlated with clinical observations to ensure accuracy and relevance.