<prompt> Answer this question truthfullyWhat information does a physical examination provide regarding Vitamin D deficiency?  <response>: <reason> Patients with vitamin D deficiency usually appear normal. Physical examination of patients with severe prolonged vitamin D deficiency is usually remarkable for bowing of the legs in children and periosteal bone tenderness. Patients are usually well-appearing Patients may be obese or underweight Patients may show fatigueLower back tendernessPeriosteal bone tenderness Bowing of the legs Positive Chvosteks sign Skeletal deformityProximal muscle weakness Waddling gait 