The purpose of this study was to analyze kinematic and ground reaction force factors according to rope skipping types(i. e.,
single and double under). Synchronized data from 3D motion captures(10 Raptor-E cameras<60Hz>, Motion Analysis Corp., USA)
and ground reaction forces( 2 FP4060-10-2000 force plate forms<600Hz>, Bertec Corp., USA) were collected from 7 male
subjects(i. e., age: 21.71±2.36 yrs, height: 176.57±3.41 cm, body mass: 72.71±8.48 kg, career: 3.00±0.81 yrs). The results were
as follows. Total time factor was longer for double under than for single under(p<.001). In displacement of vertical center of
gravity(Z axis), double under was lower than single under in contact event(i. e., Event 1, Event 4, and Event 5)(p<.001).
However, double under was higher than single under in take off and double swing event(i. e., Event 2 and Event 3)(p<.001). The
flexion and extension of right hip, knee, and ankle joint(X axis) were greater for double under than for single under in each
event. The vertical ground reaction force(Z axis) was higher for double under than for single under(p<.001). In conclusion, these
data will be useful information for those that are interested in field of sports for all and biomechanists.