Table 2. Changes in inspiratory muscle and core muscle functions following P1-IEP (Post-P1), and before P2-IEP in CON (CON_Pre-P2) and RWU (RWU_Pre-P2) trials by comparing with baseline value (Pre-P1) (n = 9).
PImax (cmH2O)
SEPT (sec)
Pre-P1
Post-P1
CON_Pre-P2
RWU_Pre-P2
Pre-P1
Post-P1
CON_Pre-P2
RWU_Pre-P2
Mean ±SD
-156 ±24
-143 ±22*†
-146 ±23*†
-154 ±26
197 ±67
137 ±52*†
159 ±57*†
186 ±55
Mean difference (±90%CL)
12.8 (±4.3)
10.0 (±4.0)
1.27 (±8.10)
-60.4 (±13.9)
-38.8 (±22.2)
-11.6 (±25.4)
Quantitative changes (%)
0.1 / 1.0 / 98.9
0.2 / 2.6 / 97.2
8.8 / 72.1 / 19.1
0.1 / 0.2 / 99.8
0.2 / 2.6 / 97.2
5.2 / 50.6 / 44.2
Outcome
Very likely
Very likely
Possibly trivial
Almost certainly
Very likely
Unclear
* Significantly different from the Pre-P1 (p < 0.05)
† Significantly different from the RWU_Pre-P2 (p < 0.05); PImax, maximum inspiratory mouth pressure; SEPT, sport-specific endurance plank test