Table 3. Electromyographic activities of the latissimus dorsi with and without pelvic compression belt during maximal isometric PHE-KE and PHE-KF. (n=15)

Position	Without PCBs	With PCBs	Within-posture difference (99% CI)	Between-posture difference (99% CI)	p-value
PHE-KE	28.98±3.12	39.94±5.03	11.00 (5.30, 16.71)	16.51 (5.41, 27.61)	<0.05
PHE-KF	31.66±3.97	53.68±6.92	22.02 (13.23, 30.80)

Values are means±SD.
p<0.05.
Abbreviations: CI, confidence interval; PCBs, pelvic compression belts; PHE-KE, prone hip extension with knee extension; PHE-KF, prone hip extension with knee flexion.