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When it comes to training calves, most people leave room on the table in terms of hypertrophy. I'll be the first to admit that the lower legs seem to be the most "genetically influenced" muscle group in that some individuals don't do squat (pun intended) and have great calves, while others...

A prior study examining the relationship between muscle fiber typology and rep performance found that fiber type was only weakly related to rep performance. This article breaks down a new study on the topic. Note: This article was the MASS Research Review cover story for July 2023 and is a...

How many of you hit the gym over the weekend? That’s great; exercise and getting in shape should be a top priority on everyone’s list. But how many of you also hit the bar to drink over the weekend? You see, that’s bad, but not for the reasons typically spouted at you. Let’s face it, if I just...

Everyone wants to figure out how to create the best muscle building split. Learn how you can do so and train optimally with these simple guidelines. The ideal training schedule is something we are all searching for. If you can establish this then it’s a foundational piece of the muscle building...

Petrenko Andriy There's a common misconception that you're doomed to a certain muscle fiber type for life, but the opposite is true. You can get jacked or be diesel even if you have slow-twitch or fast-twitch muscle fibers right now. For the uninitiated, your muscles are made up of thousands...

Per Bernal / M+F Magazine Muscle Fibers: What’s the difference? Type I (Slow-Twitch) ROLE: Endurance-focused, slower to fatigue. Has a lot of mitochondria (the energy units of the cell); not much power. FIND IT: Muscles that work hard over long periods of time, such as postural muscles, the...

OPENING ARGUMENTS DEFENSE Muscle tissue is composed of slow- twitch and fast-twitch fibers. Faster repetition speeds activate fast-twitch fibers and have been shown to enhance muscle power and rate of force development. For bodybuilders, activating fast-twitch fibers is most important for...

Become A Fast Twitch Machine Saw this on another site and thought it was a good read........... Muscle typing is claimed to be overrated and less important then other factors, but I believe it is of significance for those who have everything dialed in. What I mean is, with all things...