Table 2.
Mean accuracy, sensitivity, and specificity of personalized classifiers for the binary evaluation (acceptable or aberrant technique) of each exercise and each participant.
| Exercise | Participants | Accuracy, mean (SDa), % | Sensitivity, mean (SD), % | Specificity, mean (SD), % |
| Single leg squats | ||||
| Beginners (N=5) | 99.17 (1.86) | 100.00 (0.00) | 98.33 (3.73) | |
| Experienced (N=10) | 95.98 (6.69) | 97.00 (4.83) | 90.41 (15.24) | |
| All (N=15) | 97.26 (5.54) | 98.00 (4.00) | 93.03 (19.09) | |
| Lunges | ||||
| Beginners (N=5) | 92.63 (10.5) | 96.67 (7.45) | 88.70 (16.36) | |
| Experienced (N=10) | 77.77 (21.26) | 74.07 (3.19) | 83.82 (32.17) | |
| All (N=15) | 84. 14 (18.96) | 83.11 (27.49) | 85.78 (20.85) | |
| Squats | ||||
| Beginners (N=5) | 84.83 (16.58) | 75.00 (35.47) | 95.00 (5.00) | |
| Experienced (N=10) | 82.71 (15.43) | 90.98 (15.25) | 74.44 (32.01) | |
| All (N=15) | 84.53 (16.38) | 87.06 (27.53) | 82.67 (29.00) | |
| Deadlifts | ||||
| Beginners (N=5) | 88.00 (8.16) | 84.00 (16.25) | 90.00 (2.00) | |
| Experienced (N=10) | 98.59 (2.71) | 98.15 (3.55) | 98.99 (2.86) | |
| All (N=15) | 94.81 (7.93) | 93.10 (13.35) | 95.78 (14.35) |
aSD: standard deviation.