Table 2.
Mean (±Standard deviation) for hips and shoulder angular rotation values during one-(1BH) and two-handed (2BH) backhand strokes from the initiation of forward swing to ball contact (acceleration phase).
| Authors | Sample | Stroke direction | Shoulders rotation (°) | Hips rotation (°) | ||
|---|---|---|---|---|---|---|
| 1 BH | 2 BH | 1 BH | 2 BH | |||
| Stepien et al. (2011) | 9 male experienced coaches | DL | 30.1 (10.6) | 71.1 (13.8)## | 19.0 (6.9) | 47.4 (10.3)## |
| Akutagawa & Kojima (2005) | 14 male Colleg Players | DL | NR | 31.4 (8.3) | 54.4 (9.0)# | |
| Fanchiang et al. (2013) | 5 male Colleg Players | DL | 51.0 (16.0) | 85.0 (12.0)# | 26.0 (22.0) | 59.0 (12.0)# |
| Fanchiang et al. (2013) | 5 female Colleg Players | DL | 59.0 (27.0) | 85.0 (13.0)# | 33.0 (24.0) | 43.0 (14.0)# |
| Reid & Elliott (2002) | 18 male Colleg Players | CC | ≈ 51.4* | ≈ 65.3 * | ≈ 35.9 * | ≈ 36.1* |
| DL | ≈ 50.3 * | ≈ 64 * | ≈ 30.1* | ≈ 36.6* | ||
Colleg = collegiate; CC = cross-court; DL= down the line (laboratory condition); NR=not reported.
* = values from average differences between data noted at the end of the backswing and at impact.