Age and gender related neuromuscular pattern during trunk flexion-extension in chronic low back pain patients

Table 1 Demographics and variables

	<40		40-60		>60		men		women		w \| <40		m \| <40		w \| 40-60		m \| 40-60		w \| >60		m \| >60
	(n:61)		(n:71)		(n:58)		(n:91)		(n:99)		(n:30)		(n:31)		(n:37)		(n:34)		(n:32)		(n:26)
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD
Demographics
Age	26.79	6.28	49.31	5.55	68.60	4.67	46.97	16.84	48.89	18.14	25.40	6.41	28.13	5.95	50.89	5.77	47.59	4.82	68.59	4.90	68.62	4.46
Height^a	174.57	10.33	172.65	10.47	169.40	9.32	180.03	7.53	165.14	6.56	167.47	6.97	181.45	8.18	164.81	5.93	181.18	7.09	163.34	6.40	176.85	6.54
Weight^b	72.99	16.69	78.48	16.71	79.16	13.77	86.16	13.71	68.43	13.04	62.92	9.81	82.73	16.28	69.79	15.23	87.93	12.75	72.03	11.55	87.94	11.04
BMI	23.77	3.92	26.17	4.40	27.52	3.91	26.56	3.61	25.13	4.86	22.43	3.21	25.08	4.15	25.69	5.53	26.69	2.68	27.02	4.27	28.14	3.39
Stength^c	228.61	96.36	210.17	76.57	195.17	82.95	271.98	74.96	155.93	50.93	163.73	55.21	291.39	85.69	161.68	53.20	262.94	62.00	141.97	39.88	260.65	75.07
AEQ
APAS-sl^d	1.43	0.98	1.51	0.92	2.02	1.30	1.74	1.11	1.54	1.07	1.25	0.89	1.60	1.04	1.43	0.96	1.59	0.89	1.97	1.24	2.10	1.39
APAS-se^e	3.28	1.13	3.33	1.06	3.71	1.27	3.52	1.12	3.33	1.20	3.06	1.20	3.48	1.03	3.30	1.09	3.36	1.05	3.64	1.28	3.79	1.29
PDI^f	16.28	12.51	14.82	9.33	18.79	10.27	18.29	10.79	14.82	10.57	13.57	11.77	18.90	12.83	13.08	8.23	16.71	10.18	18.10	11.39	19.62	8.90
RMQ^g	5.33	3.02	6.86	3.86	9.09	4.56	7.55	3.89	6.56	4.27	4.77	2.76	5.87	3.20	6.43	4.49	7.32	3.03	8.45	4.52	9.85	4.58
IPAQ^h	172.55	179.53	223.88	235.73	166.55	119.67	155.84	154.15	221.21	212.63	195.71	184.12	150.14	175.03	276.49	277.95	166.64	164.65	181.21	124.76	148.52	112.86

^ain cm, ^b in kg, ^c Strength maximum isometric back extension strength (Nm), ^d APAS-sl avoidance of physical activities scale (slight pain), ^e APAS-se avoidance of physical activities scale (severe pain), ^f PDI pain disability index, ^g RMQ Roland Morris questionnaire, ^h IPAQ International physical activity questionnaire

ISSN: 1743-0003