Table 4 Movement variation in the X- and Y-axes presented as coefficient of variation ((SD/mean) * 100)
From: The effects of technological and traditional feedback on back squat performance in untrained women
Technological feedback group | Traditional feedback group | |||||||
|---|---|---|---|---|---|---|---|---|
Pre-test | Post-test | Change | p | Pre-test | Post-test | Change | p | |
20 kg | ||||||||
X-axis | 4.13 ± 0.97 | 3.87 ± 1.11 | − 0.26 ± 0.69 | 0.260 | 3.00 ± 0.24* | 3.25 ± 0.73 | 0.25 ± 0.65 | 0.286 |
Y-axis | 9.99 ± 1.64 | 9.49 ± 1.97 | − 0.49 ± 1.69 | 0.379 | 8.52 ± 1.47 | 9.01 ± 2.44 | 0.49 ± 2.68 | 0.598 |
50% | ||||||||
X-axis | 3.99 ± 1.07 | 4.36 ± 1.57 | 0.36 ± 0.88 | 0.229 | 3.51 ± 0.52 | 3.50 ± 1.05 | − 0.15 ± 1.11 | 0.969 |
Y-axis | 9.66 ± 0.90 | 9.55 ± 1.97 | − 0.11 ± 1.74 | 0.846 | 9.19 ± 1.61 | 8.77 ± 2.08 | − 0.42 ± 1.61 | 0.457 |
RPE ≥ 7 | ||||||||
X-axis | 4.22 ± 1.92 | 3.85 ± 0.85 | − 0.36 ± 0.94 | 0.252 | 3.54 ± 0.42 | 3.15 ± 0.73 | − 0.39 ± 0.76 | 0.160 |
Y-axis | 9.79 ± 1.60 | 9.39 ± 1.96 | − 0.40 ± 1.99 | 0.542 | 9.58 ± 1.82 | 9.13 ± 1.97 | − 0.45 ± 2.67 | 0.626 |
RPEpost | ||||||||
X-axis | • | 5.71 ± 0.81 | 1.64 ± 0.84 | < 0.001 | • | 5.11 ± 1.15 | 1.52 ± 0.97 | 0.006 |
Y-axis | • | 8.98 ± 1.55 | − 0.87 ± 1.79 | 0.182 | • | 8.70 ± 1.51 | − 0.79 ± 1.79 | 0.288 |