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Table 1 Anthropometric, training related and upper extremity injury data for players with and without pathological GIRD. Data are displayed as mean ± standard deviation and range, if not stated otherwise

From: Injury and training history are associated with glenohumeral internal rotation deficit in youth tennis athletes

  No pathological GIRD Pathological GIRD
Sex distribution [n] female: n = 7
male: n = 15
female: n = 2
male: n = 3
Preferred hand [n] right: n = 20
left: n = 2
right: n = 4
left: n = 1
Body height [cm] 163.6 ± 11.9
146.0–181.5
159.4 ± 12.7
152.0–182.0
Body weight [kg] 51.1 ± 12.1
33.0–69.5
47.0 ± 13.4
40.0–71.0
Age [years] 12.6 ± 1.9
10–17
12.2 ± 1.6
11–15
BMI [kg/m2] 18.7 ± 2.2
14.7–21.9
18.2 ± 1.8
17.2–21.4
Training volume [hours/week] 6.8 ± 1.9
4–11
8.3 ± 4.4
5–16
Years of tennis practice [years] 6.1 ± 2.3
2–10
5.3 ± 2.6
3–9
Years of competitive play [years] 2.7 ± 1.9
0–6
3.2 ± 1.9
0–5
Number of injuries per extremity [n] Dominant side: 2
Non-dominant side: 1
Bilaterally: 3
Dominant side: 0
Non-dominant side: 0
Bilaterally: 0