Dr Francisco has provided an excellent answer, so I shall try not to repeat anything, but I would like to add that perhaps you could consider seeking a body plethysmography - this aims to measure body fat and some centres might do CT or MRI scans to look for internal fat deposits.
Most sports medicine centres will be able to provide pre-participation screenings, that look at the things Dr Francisco mentions in addition to a full MSK screen and assessment of your exercise/health goals. We can also provide you with advice on exercise as well as dietary consultations.
Hope this helps with your query.
Bw
Dr Dinesh
