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Table 2 Anthropometric parameters, postural balance and proprioception muscle strength measurements in dancers with GJH and with no-GJH

From: Generalized joint hypermobility, scoliosis, patellofemoral pain, and physical abilities in young dancers

  Dancers with no- GJH (n = 78) Dancers with GJH (n = 54) p value Mean Difference 95% CI
Anthropometric parameters Lower Upper
 BMI (Kg/m2) 18.9 ± 2.5 19.6 ± 2.3 .153 −.62 −1.48 .23
Postural balance and proprioception
 YBT Anterior (cm) 57.9 ± 5.3 55.6 ± 5.1 .014 2.25 .27 4.23
 YBT Post. Med. (cm) 86.9 ± 7.1 85.8 ± 7.9 .410 1.12 −1.56 3.81
 YBT Post. Lat. (cm) 86.6 ± 10.7 85.5 ± 7.9 .510 1.05 −2.18 4.30
 YBT composed score (cm) 93.2 ± 8.8 90.3 ± 8.2 .060 2.85 −.12 5.84
 AMEDA (AUC score) .640 ± .037 .593 ± .035 <.001 .048 .031 .061
Muscle strength measurements
 Knee extension (N) 241.6 ± 49.3 229.2 ± 52.4 .178 12.49 −5.74 30.72
 Knee flexion (N) 121.0 ± 21.0 117.3 ± 19.8 .306 3.75 −3.48 10.98
  1. GJH Generalized joint hypermobility, BMI Body mass index, YBT anterior Y balance test in the anterior direction, YBT Post. Med. Y balance test in the posterio-medial direction, YBT Post. Lat. Y balance test in the postero-lateral direction, AMEDA Active Movement Extent Discrimination Apparatus
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