. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Spine (Phila Pa 1976). 2011 Jan 1;36(1):63–73. doi: 10.1097/BRS.0b013e3181c953cc

Table 2.

Distribution of Radicular Pain Symptoms According to Level of Nerve Root Impingement

	Midlumbar nerve root impingement L2, L3, or L4 (n=25 )			Low lumbar nerve root impingement L5 or S1 (n=29)
	L2 (n=2 )	L3 (n= 10)	L4 (n=13 )	L5 (n=18 )	S1 (n=11 )
Groin	1 (50.0%)	2 (20.0%)	0 (0%)	1 (5.6%)	-
Thigh
Anterior	2 (100%)	10 (100%)	5 (38.5%)	-	-
Lateral	-	1 (10.0%)	8 (61.5%)	8 (44.4%)	2 (18.2%)
Posterior	-	-	-	11 (61.1%)	8 (72.7%)
Knee
Anterior	-	5 (50.0%)	3 (23.1%)	1 (5.6%)	-
Posterior	-	-	-	2 (11.1%)	1(9.1%)
Calf
Medial	-	-	1 (7.7%)	-	-
Anterior	-	3 (30.0%)	7 (53.9%)	1 (5.6%)	-
Lateral	-	-	3 (23.1%)	13 (72.2%)	2 (18.2%)
Posterior	-	-	-	8 (44.4%)	7 (63.6%)
Foot/ankle
Medial	-	-	1 (7.7%)	1 (5.6%)	-
Dorsum	-	-	-	1 (5.6%)	1 (9.1%)
Lateral	-	-	-	2 (11.1%)	1 (9.1%)
Heel	-	-	-	1 (5.6%)	3 (27.3%)