"Heavy weightlifting" refers to the activity of lifting very heavy objects or weights as part of a physical exercise or sport, usually to strengthen muscles and increase overall strength. Full definition
If you're new to weightlifting (and heavy weightlifting in particular), and you probably are if you're skinny fat, you absolutely can build muscle and lose fat at the same time. (legionathletics.com)
This becomes important to be aware of if you are focusing on heavy weightlifting as the rule goes: (fitnesscrest.com)
I know that you've already said something to the effect that you don't need carbs to maintain or keep muscle, but what about someone who does heavy weightlifting? (drcate.com)