Table 2. Presented are group mean (SEM) data for exercise intensity, EMG activity, stroke force and stroke kinematic variables. Asterisk infer a significant difference between conditions.
|
Variable |
On-ergometer |
On-water |
Exercise intensity (n = 10) |
Heart rate (beats·min-1) |
174 (3) |
175 (3) |
|
Stroke rate (strokes·min-1) |
81 (2) |
82 (2) |
EMG activity (n = 10) |
iEMG of TB (μV.s) |
179 (10) ** |
239 (15) |
|
iEMG of LD (μV.s) |
137 (14) * |
158 (12) |
|
iEMG of AD (μV.s) |
494 (66) ** |
340 (35) |
|
iEMG of VL (μV.s) |
82 (9) |
83 (6) |
Stroke force (n = 7) |
Peak force (N) |
223 (19) |
238 (22) |
|
Time to peak (s) |
.16 (.02) |
.18 (.01) |
|
Time to peak (%) |
11.8 (1.1) |
13.4 (.3) |
|
RFDpeak (N·s-1) |
1215 (153) |
1098 (84) |
|
RFD50 (N·s-1) |
1165 (116) ** |
1833 (119) |
|
Stroke impulse (N.s) |
67 (4) |
79 (8) |
Stroke kinematics (n=10) |
Angle of entry (Ëš) |
134 (2) |
133 (2) |
|
Time to vertical (s) |
.16 (.02 ) * |
.19 (.02) |
|
Draw time (s) |
.40 (.01) |
.40 (.01) |
|
Draw/transition ratio (%) |
57.8 (1.4) |
58.0 (1.3) |
** inferring p < 0.01.* inferring p < 0.05,