Table 1.

Demographic and behavioral data.

Jugglers (sorted by ranking)	Age	Handed ness	Max. number juggled		Hours of training (h/week)	Years of juggling	Ranking order as rated by an expert rater: 1-15
			Balls	Clubs			1 = best juggler; 15 = weakest juggler
Juggler 1	18	R	9	7	12	5	1
Juggler 2	28	R	9	5	4	16	2
Juggler 3	24	R	7	5	2	10	3
Juggler 4	31	R	7	5	6	16	4
Juggler 5	23	R	8	4	10	2.5	5
Juggler 6	28	R	6	5	12	14	6*
Juggler 7	25	L	8	6	1	13	6*
Juggler 8	18	L	7	5	8	6	6*
Juggler 9	23	RL	7	5	6	10	9*
Juggler 10	33	R	8	5	6	11	9*
Juggler 11	25	R	7	4	3	5.5	9*
Juggler 12	38	R	5	5	1	18	12
Juggler 13	30	R	7	5	0	12	13*
Juggler 14	27	R	6	3	4	12	13*
Juggler 15	25	R	6	3	1	13	15*

Handedness was measured by the Edinburgh Handedness Inventory (Oldfield, 1971);

R: right-handed; L: left-handed; RL: no preference.

^*The jugglers 6, 7, and 8, as well as 9, 10, and 11, as well as 13 and 14 were ranked as equally good.