Table 2.

Average prevalence of all overuse problems and substantial problems in dominant and non-dominant anatomical areas, % (95% CI)

Anatomical area	All problems	Substantial problems
Shoulder combined	17 (16 to 19)	7 (7 to 8)
Dominant shoulder	16 (14 to 17)	7 (6 to 7)
Non-dominant shoulder	3 (2 to 4)	1 (0 to 1)
Elbow combined	9 (8 to 9)	1 (1 to 2)
Dominant elbow	7 (6 to 8)	1 (1 to 2)
Non-dominant elbow	4 (3 to 4)	0 (0 to 0)
Knee combined	14 (13 to 15)	5 (4 to 5)
Dominant knee	12 (11 to 13)	4 (4 to 5)
Non-dominant knee	9 (8 to 10)	3 (2 to 3)
Lower back	12 (11 to 13)	3 (2 to 3)
All areas	37 (34 to 40)	15 (14 to 16)