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

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

	Dancers with no anomalies^a (n = 74)	Dancers with both anomalies^a (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

^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
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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