MASS Office Hours

In this episode of MASS Office Hours Live, Dr. Eric Trexler welcomes special guest Dr. Lauren Colenso-Semple, who recently defended her PhD dissertation on the influence of ovarian hormones on skeletal muscle adaptations to exercise. Trexler first discusses the importance of properly interpreting scientific evidence and understanding the hierarchy of evidence, using recent MASS art

In this episode of MASS Office Hours Live, Dr. Eric Trexler and Dr. Eric Helms dive into a comprehensive discussion on the topic of mini cuts, exploring their definition, common justifications for their use, and the hosts' perspectives on their potential benefits and drawbacks. The conversation then shifts to answering a variety of listener questions from the live chat, coverin

In this episode of MASS Office Hours Live, Dr. Eric Trexler and special guest Dr. Mike Zourdos celebrate the 7th anniversary of MASS by walking viewers through a new (free) training guide on time-efficient upper body training techniques, including rest-pause sets, supersets, and drop sets. Trexler then delves into a thorough discussion of weight loss mechanisms, the role of calorie

In this episode of MASS Office Hours Live, Dr. Eric Trexler and Dr. Eric Helms dive into a recent study exploring the use of expandable gel capsules taken before meals as a strategy to reduce energy intake and promote weight loss. The duo then discusses potential ways to apply these findings in practice, such as utilizing whole food, protein shake, or water preloads before meals to

In this episode of MASS Office Hours, Dr. Eric Trexler and Dr. Eric Helms dive into the psychology of refeeds in bodybuilding, discussing a recent study that found relationships between intuitive eating skills, emotional coping ability, and controlled calorie intake during refeed meals. They also touch on the evolving research on physiological benefits of refeeds and diet breaks, a

In this episode of MASS Office Hours, Dr. Eric Trexler and Dr. Mike Zourdos answer questions submitted by listeners and viewers in the live chat. Topics include rest intervals for acute performance, rest intervals for long-term outcomes, factors impacting rest interval length, practical recommendations for rest intervals, adjusting protein intake based on energy expenditure, estima

In this episode of MASS Office Hours, Dr. Eric Trexler and Lauren Colenso-Semple answer questions submitted by listeners and viewers in the live chat. Topics include step count goals, leucine threshold theory, minimum dietary fat needs, supplements for vegan lifters, intra-workout carb supplementation, beta-alanine for lifters, resistance training and heart health, training to fail

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 fas

In this episode of MASS Office Hours, Dr. Eric Trexler and Dr. Mike Zourdos answer questions submitted by listeners and viewers in the live chat. Topics include Progressive overload strategies, zone 2 cardio and interference effect, the importance of rest days, doing velocity work during rest periods, stretch-induced hypertrophy with low loads, specialization blocks, eccentric vers

The MASS team is taking this week off, so we’re bringing you a special pre-recorded episode of Office Hours. This video comes from Volume 6, Issue 7 of the MASS Research Review. In the fitness industry many claim that with their system, supplement, or coaching, you can have your lean, dream body 24/7. While some get really lean, few, including bodybuilders, maintain a shredded ph