Hello there
What exactly do you mean by thin?
Like the girth of your wrist and forearm is less or you have less muscle mass on it?
Qhat weight training exercises you do?
And what
calcium supplements do you take?
Get back with answers to the above queries and all proper symptoms so that proper treatment plan can be started.
Regards
Next Steps
Dr.Raviraj Francis
MPTh(Rehab),MPT(Ortho).UK