MRI-Based Assessment of Trunk and Hip Muscle Morphology and Strength in Chronic Low Back Pain

15 February 2026 : Clinical Research

Danijel Ivanac

^{ABCDEF 1*}, Hrvoje Vlahović

^{ACDEF 2}, Sandra Rusac Kukić

^{ABCDF 3}, Antonija Ružić Baršić

^{ABCDEF 4}, Andrica Lekić

^{ABCEF 5}, Juraj Arbanas

^{ABCDEFG 6}

DOI: 10.12659/MSM.951651

Med Sci Monit 2026; 32:e951651

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Table 3 Comparison of absolute (Nm) and relative (%) trunk muscle strength.

	Experimental group (n=50)	Control group (n=30)	P	d
	χ̄±SD	χ̄±SD	P	d
TF (Nm)	209.68±70.72	273.77±47.06	<0.001	1.067
TF (%)	83.76±21.71	97.57±10.59	0.002	0.808
TE (Nm)	166,10±87.88	274.40±83.37	<0.001	1.264
TE (%)	65,02±26.77	95.70±20.39	<0.001	1.289
TF/TE	0.7666±0.20	0.9583±0.16	<0.001	105.849
TF – trunk flexors; ET – trunk extensors; FT/ET – trunk flexor/extensor strength ratio.

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