Looking at exercise relative to a persons usual routine provides additional insight
During peak fatigue (first 2 to 4 weeks): Focus on walking
Non-pharmacological interventions (weight loss 7-10%, Mediterranean diet, and physical activity) are represented as the therapeutic basis, together with pharmacological strategies under investigation or clinical use (THR- agonists, FGF-21 analogs, pan-PPAR modulators, GLP-1 RAs, GLP-1/GIP, SGLT-2 inhibitors, metformin, and statins)
The focus should perhaps be less on the absolute amount of lean mass lost and more on preserving muscle quality and, most importantly, function aspects like strength and mobility
Many athletes continue training at 80-90% capacity, scaling or substituting movements that aggravate the injury