Muscle Coactivation during Stability Exercises in Rhythmic Gymnastics: A Two-Case Study

Table 3

Normal distribution of the COP values of the younger (A) and older (B) gymnast in balance exercises.

	Gymnast A	Gymnast B
Side split with hand support
COPX amplitude	44% of foot width	35% of foot width
COPY amplitude	11% of foot length	11% of foot length
Ring with hand support
COPX amplitude	61% of foot width	41% of foot width
COPY amplitude	16% of foot length	8% of foot length
Back split without hand support
COPX amplitude	57% of foot width	47% of foot width
COPY amplitude	50% of foot length	20% of foot length