Table 4. The comparative specification of the average values of parameters acknowledged as decisive in the evaluation of the fin swimming turn technique with analogous parameters collected as a result of studies on the freestyle turn technique.
| PARAMETERS |
CURRENT STUDY |
STUDY OF THE FREE STYLE
TUMBLE TURN* |
|
X |
SD |
AVERAGE VALUES |
| Total Turn Time |
5.10 |
.51 |
7.26 (6) |
8.53 (3) |
7.63 (7) |
8.22 (2) |
| Swim-in Time |
1.70 |
.25 |
2.35 (10) |
|
|
|
| Wall Contact Time |
.20 |
.03 |
.38 (6) |
.35 (7) |
.29 (8) |
.36 (11) |
| Push-off Time |
.11 |
.04 |
.22 (9) |
.218 (1) |
|
|
| Commencement of Stroking |
1.88 |
.36 |
.55 (5) |
|
|
|
| Push-off Distance |
.36 |
.20 |
.46 (3) |
|
|
|
| Av. Push-off Velocity |
2.66 |
.69 |
1.95 (3) |
2.58 (2) |
|
|
| Push-off Depth |
.37 |
.11 |
.35 (10) |
.5 (9) |
.4 (7) |
|
| Tuck Index |
.73 |
.25 |
.6 (6) |
|
|
|
| Glide Angle |
18.50 |
6.12 |
No data |
|
|
|
| Rotation Time |
1.01 |
.10 |
.7 (1) |
|
|
|
| Max Knee Flexion |
89.42 |
10.97 |
90 (10) |
60(11) |
|
|
| Glide Time |
.29 |
.07 |
.55 (5) |
|
|
|
| Glide Distance |
.68 |
.21 |
1.35 (7) |
|
|
|
| Time-in |
.99 |
.11 |
1.27 (4) |
|
|
|
| Time-out |
1.79 |
.47 |
2.08 (4) |
1.80 (2) |
|
|
| Turn Time |
2.78 |
.44 |
3.15 (4) |
|
|
|
*All of the parameters of freestyle turn technique were collected on the 5m distance-in and 5m distance-out.The marks of reference to the source works are given in brackets, in italics. Blanksby et al., 2004; Clothier et al., 2000a; Clothier et al., 2000b; Blanksby et al., 1995; Hay, 1986; Hodgkinson and Blanksby, 1996; Cossor et al., 1999; Lyttle and Mason, 1997; Lyttle et al., 1999a; Lyttle et al., 1998; Takahashi et al., 1983.
