Follow my
workouts from your
home or gym

Follow my workouts
from your home or gym

More than 1,000 5-star reviews


Guess what? If you become my training partner, you’ll immediately get access to my workouts and workouts from 100+ other trainers.

My Playbook programs

One subscription.
Countless opportunities.

One subscription. Countless opportunities.

1500+ workouts
with videos

Access to
100+ trainers

New workouts
every week

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My favorite tips
and tricks


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About me


Build muscleWeight lossbodybuildingLean muscleShred fat6-packFull Body

Hey, my name's Michael. I'm originally from a little city in the midwest United States called Akron. I've been training as a men's physique bodybuilder for over five years now and have had the opportunity to work under extraordinary coaches. I started out as a personal trainer and have now shifted to sharing my passion for fitness and training on Youtube [you might know me as JustMerk] and I continue to share my journey towards becoming a professional bodybuilder. To now be able to pass on to you some of the techniques that I've used over the years to grow and transform my physique excites me as you grow on your own journey.

Training Requirements

Most of my workouts require access to a full gym but substitutions can be made for at-home gyms with limited equipment.

What you get on Playbook