Type 1 diabetes mellitus is the most common chronic metabolic disorder in children. Diabetic children who take proper nutrition and good care attain normal growth status. Factors affecting growth in diabetic patients include gender, age at diagnosis, duration of disease, glycemic control, and puberty status. Moreover, diabetes mellitus has negative impact on vestibular system, affect proprioception and lower limb muscle fatigue resulting in reduced balance.

Limited literature is available regarding the relation between anthropometric measurements and balance in children with diabetes mellitus. Therefore, the current study will be conducted to investigate the relation between anthropometric measurements (weight, height and body mass index) and balance in children with diabetes mellitus.

Inclusion Criteria:

• Diagnosed as controlled T1DM.
• Age ranges from 7 to 11 years.
• From both sexes.
• Duration of the disease 3 to < 5 years.
• Same socioeconomic level.

Exclusion Criteria:

• Other hormonal diseases (hypothyroidism or hyperthyroidism).
• Hereditary sensory and autonomic neuropathy
• Significant visual disorders.
• Subjects participating in regular sports activities.
• History of fracture or surgery in the lower extremities in the past 12 months.

Children with T1DM will be selected from Abu El-Rish Hospial, Cairo University. Sample size estimation will be carried out based on a pilot study to determine the recruited number of participants. Participants will be recruited according to the following criteria.