Table 2.

Characteristics for siblings 1 and 2 and controls

Characteristic	Sibling 1	Sibling 2	Controls (n = 72)
Height, cm	171	168	170 (7)
Mass, kg	64	65	64.2 (9.2)
Age, years	16	16	15 (1)
BMI, kg/m2	21.9	22.8	22.1 (2.7)
Notch width, mm	12	13	15 (2.7)*

Control values (mean (SD)) were taken from 72 female soccer and basketball players from the same team as the sisters. Notch width is also included (in mm) for the twin siblings.

^*Control values reported from the literature.³⁵

BMI, body mass index.