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Table 2 Shoulder RoM with and without GIRD. Data are displayed as mean ± standard deviation and range, if not stated otherwise. Differences of dominant compared to non-dominant arm

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

 

All athletes

No pathological GIRD athletes

Pathological GIRD athletes

Relative IR side asymmetry/ratio (%)

0.9 ± 0.2

0.5 – 1.4

1.0 ± 0.2

0.8 – 1.4

0.7 ± 0.1

0.5 – 0.8

Absolute IR side asymmetry/ratio (°)

− 7.1 ± 19.5

− 65.0 - 30.0

−0.4 ± 12.9

− 17.0 - 30.0

−36.4 ± 17.1

− 65.0 - (-20.0)

ER/IR ratio

1.1 ± 0.2

0.7 – 1.5

1.0 ± 0.2

0.7 – 1.5

1.4 ± 0.2

1.2 – 1.5