In this episode of MASS Office Hours, Dr. Eric Trexler and Dr. Eric Helms answer questions submitted by listeners and viewers in the live chat. Topics include stretch-mediated hypertrophy, lengthened partials, mindfulness, optimal lengths for bulking and cutting phases, natural limits for strength and muscularity, maintenance blocks in training, improving sleep quality, Ramadan fasting, back training, and much more. The MASS crew goes live for Office Hours every Wednesday night at 7pm eastern time. Be sure to join us for a future episode! If you'd like to submit a question ahead of time, please use this link: https://massresearchreview.com/office-hours/ Time stamps: 0:00 Intro 3:52 Stretch-mediate hypertrophy 39:38 Why mechanistic speculation is risky 41:47 Why replication is important in science 46:53 Dealing with recurring setbacks in the gym (illness, injury) 52:31 The role of mindfulness in fitness 1:02:32 Optimal lengths for bulking and cutting phases 1:05:07 Natural limits for strength and muscularity 1:12:42 Are prolonged “maintenance blocks” necessary in your training? 1:16:37 Pursuing a graduate degree in exercise science 1:18:50 Growing your arms 1:22:42 Improving sleep quality 1:26:55 Ramadan fasting 1:33:20 Back training