Western Diet-Induced Obesity Does Not Cause Diaphragm Muscle Abnormalities

0.751; p < 0.001). When combining all variables, skeletal muscle measures provided a superior physiologic explanation of 25 km TT performance versus those classically used to describe endurance performance (VTVO2, EC @ 15% Wmax, HHbmax, and ΔSmO2 at p = 0.083, 0.056, 0.008, and 0.005, respectively). CONCLUSION: These results demonstrate that measures reflecting the balance of skeletal muscle O2 delivery and utilization during exercise are superior to classic measures of whole-body aerobic capacity, ventilatory threshold, and/or the efficiency of exercise at predicting 25 km time trial (TT) cycling performance.