In this episode of "Office Hours Live," Dr. Eric Trexler and Dr. Mike Zourdos delve into a wide range of topics related to bodybuilding, strength training, and sports science. After a brief discussion about college football, they focus on the timing and planning of bulking and cutting phases, emphasizing the importance of long-term, intentional approaches rather than frequent switches back-and-forth. After that they address various listener questions, covering subjects such as fiber intake limits, optimal rest intervals between sets, training volume manipulation, the relationship between volume and muscle growth, and strategies for weight loss without calorie tracking. The conversation also explores muscle fiber type shifts in response to different training stimuli, the potential for new breakthrough supplements, and considerations for those using semaglutide for weight loss. Dr. Zourdos introduces the concept of the "cost" associated with various time-efficient training strategies, discussing their impact on fatigue and recovery. The episode concludes with an engaging discussion on elite marathon performances and predictions for future records. 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: 0:04: Intro, discussion about college football 3:58: Dr. Trexler introduces the main topic: transitioning between bulking and cutting phases 7:41: In-depth explanation of bulking and cutting strategies, emphasizing long-term approaches and intentional phase transitions 20:05: Dr. Zourdos provides analogies and reinforces the importance of patience and consistency in training 24:51: Discussion on the relationship between volume and muscle growth 27:39: Q&A segment begins, addressing topics such as fiber intake limits and rest intervals between sets 38:40: Conversation about training volume, recovery, and progressive overload 45:04: Further discussion on volume-hypertrophy relationship and optimal training strategies 49:44: Addressing questions about weight loss without tracking calories and fiber types in muscle 58:14: Discussion on muscle fiber type shifts in response to different training stimuli 1:05:46: Brief comments on potential "next creatine" supplements and considerations for those using semaglutide 1:09:24: Dr. Zourdos discusses the "cost" of various training strategies and their impact on fatigue and recovery 1:13:26: Closing segment, including a discussion on elite marathon times and predictions for future records