Table 10.
Pooled and single study results for kinetic, kinematic and muscle activation variables at trunk and pelvis
| Variable | Preferred SR versus Increased SR | Preferred SR versus Reduced SR | |||
|---|---|---|---|---|---|
| Kinetics | Peak sacral acceleration | + 10% [44] | − 0.63 ( − 1.29, 0.02) | − 10% [44] | 0.05 ( − 0.59, 0.68) |
| Kinematics | Average trunk flexion during stance phase | + 10% [33, 34] | 0.00 ( − 0.39, 0.39) | ||
| Average trunk flexion at IC | + 10% [34] | − 0.01 ( − 0.51, 0.49) | |||
| Peak trunk flexion during stance phase | + 10% [34] | 0.05 ( − 0.45, 0.55) | |||
| Pelvic tilt | − 10% [24] | 1.40 (0.70, 2.10) | |||
| Peak contralateral pelvic drop | + 10% (post 4 weeks) [23] | 1.39 (0.48, 2.30) | |||
| + 10% (post 12 weeks) [23] | 1.39 (0.48, 2.30) | ||||
SMD ± 95% CI are provided for each percentage increase or decrease in running step rate. SMD ± 95% CI presented in bold are statistically significant
Abbreviations: IC initial contact