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 *

   
 

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)

     
The marks of reference to the source works are given in brackets, in italics. (1) Blanksby et al., 2004; (2) Clothier et al., 2000a; (3) Clothier et al., 2000b; (4) Blanksby et al., 1995; (5) Hay, 1986; (6) Hodgkinson and Blanksby, 1996; (7) Cossor et al., 1999; (8) Lyttle and Mason, 1997; (9) Lyttle et al., 1999a; (10) Lyttle et al., 1998; (11) Takahashi et al., 1983.
*All of the parameters of freestyle turn technique were collected on the 5m distance-in and 5m distance-out.