Analysis of Relationship between the Body Mass Composition and Physical Activity with Body Posture in Children

Table 3

Differences in the postural parameters depending on the percentage of muscle tissue.

Variable	Percentage of muscle mass						Total
	Low (Group I)		Typical (Group II)		High (Group III)
		SD		SD		SD		SD
ALPHA (°)	11.50	12.77	9.89	13.72	7.18	4.65	9.61	11.87	.256
BETA (°)	5.46	4.02	6.53	3.64	6.74	2.86	6.31	3.57	.431
GAMMA (°)	25.14	22.85	26.32	24.86	26.07	24.48	25.96	24.08	.771
KPT (°)	−9.04	15.06	−8.67	15.91	−11.00	13.86	−9.34	15.12	.889
KKP (°)	150.09	23.62	147.79	25.04	147.22	25.48	148.22	24.62	.773
GKP (mm)	7.24	11.43	7.99	8.85	9.73	5.77	8.24	8.92	.715
KLL (°)	167.80	16.90	170.42	19.55	166.24	6.23	168.72	16.48	.777
GLL (mm)	−7.98	8.47	−11.26	8.95	−10.64	4.88	−10.28	8.05	.218
KNT (°)	−0.85	1.45	−0.88	1.22	−0.97	1.52	−0.89	1.35	.898
KLB (°)	−3.97	6.11	−3.06	7.13	−0.21	7.19	−2.58	6.99	.246
UL (mm)	2.25	6.61	−1.59	7.16	0.66	4.45	−0.07	6.60	.048
UB (mm)	−5.04	4.88	−3.60	6.87	−1.99	6.57	−3.56	6.39	.076
OL (mm)	0.10	8.75	−2.06	9.62	−2.56	8.06	−1.65	9.02	.516
UK (mm)	−3.82	5.45	−3.37	5.30	−2.30	5.11	−3.22	5.28	.324

ALPHA: slope of the lumbar spine; BETA: slope of the thoracic-lumbar spine; GAMMA: slope of the upper thoracic spine; KPT: angle of body inclination; KKP: angle of thoracic kyphosis; GKP: depth of thoracic kyphosis; KLL: angle of lumbar lordosis; GLL: depth of lumbar lordosis; KNT: the angle of trunk declination, determining the vertical decline of the C7-S1 line in the frontal plane; KLB: angle of the shoulder line; UL: the difference in the height of the inferior angles of the scapulas in the coronal plane; UB: the difference in the depth of the inferior angles of the scapulas; OL: the difference in distance of the inferior angles of the scapulas from the spine; UK: the maximum deviation of the line of the spinous processes from the C1–S1 line on the -axis; (mm): millimeter; (°): degree. Statistically significant results.