Relationships of Race and Sex to Physical and Motor Measures
Scores on jump and reach, sit-ups, flexed-arm hang, soccer wall volley, sit and reach, Shape-O-Ball, zig-zag run, and 600-yd. walk-run for 2,546 children (both black and white) in Grades 2, 4, and 6 showed few differences in motor performance as a function of race, but clear-cut differences by sex.
Jones, Margaret A., et al. "Relationships of Race and Sex to Physical and Motor Measures." Perceptual and Motor Skills 63.1 (1986): 169-70. Print.