Table 3. One-way repeated measures ANOVA of UT/MT, UT/LT ratio according to trunk angle

Trunk angle	UP 0°	FL 30°	BL 20°	F(P)
UT/MT ratio	0.30±0.13	0.32±0.15	0.84±0.27	74.999 (.000)
UT/LT ratio	0.30±0.18	0.21±0.13	1.20±0.48	98.956 (.000)

Abbreviation: Up, upright posture; FL, forward lean; BL, backward lean; UT, upper trapezius; MT, middle trapezius; LT, lower trapezius.