Test | GRippets (Mstn +/−) (mean ± SD) | GRMD (Mstn +/+) (mean ± SD) | p value |
---|---|---|---|
Joint angles | |||
 Maximal hip joint flexion angle (o) | 77.5 ± 4.93 | 63.0 ± 3.61 | 0.05 |
 Maximal tarsal joint flexion angle (o) | 53.5 ± 7.85 | 35.0 ± 7.0 | 0.05 |
 Maximal stifle joint flexion angle (o) | 42.0 ± 5.35 | 34.0 ± 3.61 | 0.173 |
 Tarsal range of motion (o) | 104 ± 8.73 | 123 ± 4.04 | 0.052 |
Magnetic resonance imaging | |||
 Rectus femoris percent cross-sectional area | 2.70 ± 0.76 | 4.29 ± 0.30 | 0.168 |
 Quadriceps femoris percent cross-sectional area | 15.9 ± 0.61 | 21.6 ± 0.94 | 0.162 |
 CS/VL ratio (volume and percent cross-sectional area) | 0.86 ± 0.19 | 0.48 ± 0.04 | 0.168 |
Molecular/histopathology | |||
 Lateral head gastrocnemius myostatin mRNA fold change | 1.35 ± 0.682 | 0.565 ± 0.454 | 0.192 |
 Overall average degenerating fibers (%) | 2.58 ± 0.36 | 3.97 ± 1.21 | 0.082 |
 Cranial sartorius fiber cross-sectional area (mm2) | 4,133 ± 233 | 2,661 ± 316 | 0.01 |
 Cranial sartorius centrally nucleated fibers (%) | 20.7 ± 3.82 | 11.4 ± 5.23 | 0.132 |