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Table 4 Multi-label classification results obtained when trying to identify the error that occurred during an exercise

From: Rehabilitation exercise assessment using inertial sensors: a cross-sectional analytical study

  Sensor position
Foot Shin Thigh Foot & shin Shin & thigh Thigh & foot All three
Heel slide
Sensitivity (%) 35 37 42 37 35 33 39
Specificity (%) 80 81 83 80 80 80 80
Accuracy (%) 71 71 72 69 67 68 68
Hip abduction
Sensitivity (%) 37 43 42 35 39 41 39
Specificity (%) 78 82 80 79 80 80 81
Accuracy (%) 45 53 53 43 50 49 49
Hip extension
Sensitivity (%) 69 66 61 50 47 49 48
Specificity (%) 75 75 69 76 73 72 75
Accuracy (%) 60 60 50 61 56 55 60
IRQ
Sensitivity (%) 38 42 50 45 48 51 53
Specificity (%) 69 72 77 74 76 77 78
Accuracy (%) 63 67 73 70 72 72 73
Average across all four exercises
Sensitivity (%) 45 47 49 42 42 44 45
Specificity (%) 76 78 77 77 77 77 79
Accuracy (%) 60 63 61 61 61 61 63
  1. Mean Sensitivity, Specificity and Accuracy Scores for each exercise are presented.