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Table 4 Anthropometric parameters, postural balance and proprioception muscle strength measurements in dancers with both anomalies and with no-anomalies

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

  Dancers with no anomaliesa (n = 74) Dancers with both anomaliesa (n = 34) p value Mean Difference 95% CI
Anthropometric parameters Lower Upper
 BMI (Kg/m2) 18.9 ± 2.5 19.8 ± 2.3 .107 −.83 −1.85 .18
Postural balance and proprioception
 YBT Anterior (cm) 57.9 ± 5.3 55.6 ± 5.6 .046 2.36 .047 4.66
 YBT Post. Med. (cm) 87.4 ± 9.6 85.4 ± 8.5 .294 1.97 −1.74 5.69
 YBT Post. Lat. (cm) 88.4 ± 10.8 85.4 ± 9.7 .165 2.95 −1.23 7.15
 YBT composed score (cm) 91.8 ± 9.4 89.9 ± 7.9 .303 1.83 −1.67 5.34
 AMEDA (AUC score) .639 ± .037 .596 ± .036 <.001 .043 .027 .058
Muscle strength measurements
 Knee extension (N) 250.5 ± 46.1 227.5 ± 53.2 .036 22.97 1.56 44.37
 Knee flexion (N) 125.7 ± 19.0 117.0 ± 20.1 .040 8.69 .40 16.98
  1. aGJH and Scoliosis. 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
  2. The total n = 108 presented in that table includes only dancers with both anomalies or with no-anomalies. Other 24 dancers had only one anomaly
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