From: Three-dimensional motion of the patella in French bulldogs with and without medial patellar luxation
 | MPL | % Stance | % Swing | ||
---|---|---|---|---|---|
TD | 50 | TO | 50 | ||
Latero-Medial displacement | |||||
 Walk | 0 | −0.3 ± 0.0 | 0.0 ± 0.0 | − 0.6 ± 0.5 | 0.3 ± 0.2* |
1 | 2.4 ± 1.9 | 2.1 ± 1.8 | 2.5 ± 2.4 | 3.7 ± 1.4* | |
 Trot | 0 | 0.5 ± 0.3 | 0.3 ± 0.4 | − 0.5 ± 0.4 | 0.7 ± 0.5 |
1 | 2.0 ± 2.0 | 3.3 ± 1.8 | 2.4 ± 2.4 | 3.2 ± 1.3 | |
 Gait | n.s. | p = 0.003 | n.s. | n.s. | |
 MPL | n.s. | n.s. | n.s. | p = 0.045 | |
 Gait*MPL | n.s. | p = 0.017 | n.s. | p = 0.057 | |
Distal-Proximal displacement | |||||
 Walk | 0 | 9.1 ± 0.0* | 8.5 ± 1.2* | 9.5 ± 1.4 | 1.2 ± 0.6* |
1 | 2.9 ± 2.6* | 2.0 ± 2.9* | 3.6 ± 4.2 | −4.0 ± 2.2* | |
 Trot | 0 | 8.6 ± 1.2* | 5.7 ± 0.5 | 8.9 ± 1.3 | −0.8 ± 1.6* |
1 | 3.1 ± 2.5* | 2.0 ± 2.6 | 4.2 ± 3.7 | −6.0 ± 1.6* | |
 Gait | n.s. | p = 0.052 | n.s. | p = 0.012 | |
 MPL | p = 0.037 | p = 0.066 | n.s. | p = 0.024 | |
 Gait*MPL | n.s. | p = 0.046 | n.s. | n.s. | |
Craniocaudal displacement | |||||
 Walk | 0 | 4.4 ± 1.5 | 4.3 ± 0.9 | 4.7 ± 0.1 | 3.9 ± 1.3 |
1 | 4.5 ± 1.9 | 4.6 ± 1.3 | 4.9 ± 0.9 | 5.2 ± 1.6 | |
 Trot | 0 | 4.3 ± 1.6 | 3.7 ± 1.2 | 4.4 ± 0.8 | 3.9 ± 1.6 |
1 | 4.2 ± 2.2 | 4.6 ± 1.7 | 5.0 ± 1.7 | 5.0 ± 1.9 | |
 Gait | n.s. | n.s. | n.s. | n.s. | |
 MPL | n.s. | n.s. | n.s. | n.s. | |
 Gait*MPL | n.s. | n.s. | n.s. | n.s. |