Table 1 Foot loading parameters for the whole foot during tennis‐specific movements on clay and Greenset.
| Parameters | Serve and volley play | Baseline play | ||||
|---|---|---|---|---|---|---|
| Greenset | Clay | Changes (%) | Greenset | Clay | Changes (%) | |
| Maximum force (N) | 1273 (197) | 1213 (308) | −2.7 | 1303 (172) | 1281 (420) | −2.2 |
| Mean force (N) | 724 (151) | 615 (91)* | −12.4 | 717 (133) | 614 (73)* | −11.6 |
| Peak pressure (kPa) | 385 (68) | 376 (92) | −0.6 | 381 (69) | 404 (137) | +5.9 |
| Mean pressure (kPa) | 112 (18) | 108 (23) | −2.5 | 108 (15) | 113 (33) | +3.6 |
| Mean area (cm2) | 90 (12) | 91 (14) | +1.6 | 92 (15) | 90 (14) | −1.4 |
| Contact time (ms) | 270 (148) | 299 (113) | +16.5 | 272 (60) | 354 (72)*** | +30.3 |
Values are mean (SD).
*p<0.05; ***p<0.001 denote significant difference between Greenset and clay (paired t tests)