Testosterone Undecanoate Administration Prevents Declines in Fat-Free Mass but not 1 Physical Performance during Simulated Multi-Stressor Military Operations 2

摘要: Objective: Test the effects of a single dose of testosterone on body composition and military-30 relevant physical performance during a simulated operation. 31Methods: After a 7-day baseline phase (P1), 32 males (mean±SD; 77.1±12.3 kg, 26.5±4.4 years) 32 received a single dose of either testosterone undecanoate (750 mg; TEST) or placebo (PLA) 33 before a 20-day simulated military operation (P2), followed by a 23-day recovery (P3). 34