People can break bones due to osteoporosis despite a normal bone density, a condition known as "clinical" osteoporosis.
Abantu bangophukelwa ngamathambo ngenxa yesifo sobuthathaka nokuphela kwamathambo nokokuba ngaba ubunzima bamathambo abunangxaki, esi sifo sibizwa ngokuba sisifo sobuthathaka nokuphela kwamathambo "sokuxilongwa".