Synergistic effects from clenbuterol (Clen) and anti-CD4 mAb on weight gain and muscle function. The effect of each treatment on (A) body weight, (B) anti-GAA, (C) Rotarod latency, and (D) wirehang latency was evaluated. *p < 0.05, ***p < 0.001. Shown are means and standard deviation. OD, optical density.