Hyperalgesia affects muscle activity and knee range of motion during a single-limb mini squat in individuals with knee osteoarthritis: a cross-sectional study

Table 2 Pressure pain threshold values

PPTs	HG Mean ± SD	KOAG Mean ± SD	F	*p-value*
Dermatomes (kg/cm2)
L3_R	2.803 ± 1.638	1.675 ± 1.672	6.953	0.011*
L3_L	2.862 ± 1.369	2.105 ± 2.316	2.370	0.129
L4_R	1.814 ± 1.074	0.758 ± 0.549	22.947	0.000*
L4_L	1.972 ± 0.897	0.674 ± 0.406	52.040	0.000*
S2_R	3.247 ± 1.574	2.047 ± 1.170	11.221	0.001*
S2_L	3.256 ± 1.481	2.204 ± 1.283	8.638	0.005*
Myotomes (kg/cm2)
Rectus femoris _R	5.747 ± 2.749	3.738 ± 2.223	9.681	0.003*
Rectus femoris_L	5.654 ± 2.309	3.938 ± 1.935	9.731	0.003*
Tibialis anterior_R	4.905 ± 2.395	3.279 ± 1.654	9.360	0.003*
Tibialis anterior_L	5.174 ± 2.711	4.033 ± 1.685	3.836	0.050*
Adductor longus_R	3.116 ± 1.805	1.794 ± 1.429	9.877	0.003*
Adductor longus_L	3.482 ± 1.883	2.191 ± 1.739	7.605	0.002*
Quadratus lumborum_R	5.049 ± 2.204	4.001 ± 2.075	3.598	0.063
Quadratus lumborum_L	5.271 ± 2.544	4.410 ± 2.432	1.795	0.186
Sclerotomes (kg/cm2)
Pes anserinus bursae_R	3.448 ± 1.802	1.890 ± 0.974	17.364	0.000*
Pes anserinus bursae_L	3.806 ± 1.902	2.893 ± 1.669	3.907	0.050*
Patellar tendon_R	7.303 ± 3.478	3.976 ± 2.319	19.002	0.000*
Patellar tendon_L	7.306 ± 2.770	4.999 ± 2.781	10.853	0.002*

HG Healthy group, KOAG Knee osteoarthritis group, L3 third lumbar level, L4 fourth lumbar level, S2 second sacral level, R right, L left; *p-value≤0.05

ISSN: 1471-2474