Why does muscle shrink from absence of lifting but fat stays when eating in maintenance?

Question

Why does muscle shrink from absence of lifting but fat stays when eating in maintenance?

In: Biology

Answer 1

Why does muscle shrink when doing *nothing* to maintain it, but fat stays when doing *something* to maintain it?

Muscle shrink from absence of lifting. Fat stays when eating in maintenance.

Muscle stays when lifting in maintenance. Fat shrinks from absence of eating.

It’s a weird question that should be pretty self explanatory. “Why I’m moving faster when walking 3 mph than running 0 mph?”.