Research Article
Evaluating the Reproducibility of Motion Analysis Scanning of the Spine during Walking
Table 1
Raw data collected from one subject for all 3 trials.
| | Kyphosis | Lordosis |
| Trial 1 | max 1 | 65.4 | min 1 | 54.3 | max 1 | 44.8 | min 1 | 40.5 | Trial 2 | max 2 | 61.9 | min 2 | 55 | max 2 | 45.5 | min 2 | 40.9 | Trial 3 | max 3 | 62.8 | min 3 | 57.7 | max 3 | 45.4 | min 3 | 39.3 | | Average max | 63.4 | Average min | 55.7 | Average max | 45.2 | Average min | 40.2 | | SD | 1.82 | SD | 1.80 | SD | 0.38 | SD | 0.83 |
| | L1 rotation | T4 rotation |
| Trial 1 | max 1 | 2.5 | min 1 | −0.2 | max 1 | 5 | min 1 | 1 | max 2 | 3.2 | min 2 | −0.4 | max 2 | 6 | min 2 | 0 | max 3 | 4.2 | min 3 | 0.2 | max 3 | 6 | min 3 | 0 | | Avg. max | 3.3 | Avg. min | −0.1 | Avg. max | 5.7 | Avg. min | 0.3 | | SD | 0.9 | SD | 0.3 | SD | 0.6 | SD | 0.6 | Trial 2 | max 1 | 3.1 | min 1 | 0.5 | max 1 | 7 | min 1 | 1 | max 2 | 4.9 | min 2 | −2.4 | max 2 | 9 | min 2 | −1 | max 3 | 3.7 | min 3 | −0.7 | max 3 | 9 | min 3 | 0 | | Avg. max | 3.9 | Avg. min | −0.9 | Avg. max | 8.3 | Avg. min | 0 | | SD | 0.9 | SD | 1.5 | SD | 1.2 | SD | 1 | Trial 3 | max 1 | 3.8 | min 1 | −0.9 | max 1 | 6 | min 1 | −1 | max 2 | 3.4 | min 2 | −1 | max 2 | 7 | min 2 | −2 | max 3 | 3.4 | min 3 | −1 | max 3 | 7 | min 3 | −2 | | Avg. max | 3.5 | Avg. min | −1.0 | Avg. max | 6.7 | Avg. min | −1.7 | | SD | 0.2 | SD | 0.1 | SD | 0.6 | SD | 0.6 |
| | Pelvis rotation | | | | |
| Trial 1 | max 1 | 1.2 | min 1 | −2.1 | | | | | max 2 | 3 | min 2 | −4.2 | | | | | max 3 | 4.1 | min 3 | −3.7 | | | | | | Avg max | 2.8 | Avg min | −3.3 | | | | | | SD | 1.5 | SD | 1.1 | | | | | Trial 2 | max 1 | 3.4 | min 1 | −4.2 | | | | | max 2 | 1.4 | min 2 | −5 | | | | | max 3 | 2.2 | min 3 | −4.1 | | | | | | Avg max | 2.3 | Avg min | −4.4 | | | | | | SD | 1.0 | SD | 0.5 | | | | | Trial 3 | max 1 | 3.4 | min 1 | −4.5 | | | | | max 2 | 2.4 | min 2 | −6.7 | | | | | max 3 | 2.2 | min 3 | −3.9 | | | | | | Avg max | 2.7 | Avg min | −5.0 | | | | | | SD | 0.6 | SD | 1.5 | | | | |
| | Trunk Length | | | | |
| Trial 1 | max | 463.2 | min | 459 | | | | | Trial 2 | max | 463.4 | min | 457.3 | | | | | Trial 3 | max | 462.7 | min | 455 | | | | | | Avg max | 463.1 | Avg min | 457.1 | | | | | | SD | 0.4 | SD | 2.0 | | | | |
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