Dear Sir Is there a recent change in your weight? To remove the ambiguity get a Total
testosterone test done.
You may also get a
TSH, FT3 and Ft4 test to check your
thyroid function.
Both are done in the morning empty stomach.
There can be many reasons for a high body fat percentage with knee and back pain, hormonal imbalance may be one of them.
Once you get the report can further evaluate