Currently I workout as follows:

  • 6 hours a week where

  • 70-90 minutes of cardio in total.

  • No bench press or squats (the why part isn't relevant here)

  • Isolated muscle workouts for upper, abdominal and lower bodies

  • 60-70 pullups in total per week

  • I'm 5'6", 38 years old, male, with about 23-25% body fat .

I'm soon going to start Muay Thai about a total of 2 hours per week (2 one hour sessions). Being a busy professional, I will only be able to do my normal workout 3 to 4 hours a week, no more; but I'd like to keep my muscle muss (i.e. appearance) more or less the same, even though I don't mind losing a bit of muscle strength (so to give an example, I can do isolated tricep exercises with 35kg (~77lbs) about 15 reps, and leg press with about 180 kgs (~395lbs) about 15-18 reps. If these figure decrease a bit but not significantly, I'll be okay with it. My importance here is about i) looking the same and ii) of course, get at least half good at Muay Thai, but the latter won't help me much grow muscle.

Things that must remain the same: I must specify that I don't want to add bench press or squats, but open to restructuring other parts of my workouts. I think I'll at least want to run 60 minutes a week.

Is there anything I could do to achieve my goal? I'm thinking of a more protean heavy diet - do you think that'll help me achieve my goal i)? Is there a workout plan should I follow to prevent muscle loss?

Thank you!

  • 1
    I think the "why" part is relevant here, because replacing isolation movements with compound movements would make your workout more time efficient. If squats arent an option, you should specify that you wont add them.
    – Thomas Markov
    Commented Jul 25, 2022 at 16:04
  • Avoiding a bar is hurtful to me, frankly. But maybe you have a bum hand or injury or some such, which is fine. You can sub in leg press and make do via machines. In regards to eating, well, if you're not using PEDs (and I hope you aren't), you gotta eat. The youtube-gleaned guidelines for hypertrophy seem to be about 0.8 to 1 grams of good-quality (high DIAAS score) protein per pound of body weight (or 1.7 to 2.2 grams/Kg of body weight). WPI, beef, chicken, pork, cottage cheese, eggs, probably some plant mixes, these are good complete-ish proteins. Commented Jul 28, 2022 at 16:20


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