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 4 Comparison of absolute (Nm) and relative (%) hip muscle strengths.

	Right				Left
	Experimental group (n=50)	Control group (n=30)	P	d	Experimental group (n=50)	Control group (n=30)	P	d
	χ̄±SD	χ̄±SD	P	d	χ̄±SD	χ̄±SD	P	d
HF (Nm)	94.90±45.27	141.87±33.80	<0.001	0.733	89.30±41.88	138.17±34.59	<0.001	1.272
HF (%)	54.84±22.11	78.47±18.49	<0.001	1.159	51.90±20.59	77.30±17.99	<0.001	1.314
HE (Nm)	218.18±91.52	310.97±77.90	<0.001	1.092	213.64±87.79	300.57±75.34	<0.001	1.063
HE (%)	89.48±32.19	121.53±29.37	<0.001	1.040	87.52±30.44	117.93±27.84	<0.001	1.043
HF/HE	0.6236±0.17	0.6737±0.21	0.241	26.224	0.6026±0.15	0.668±0.12	0.047	394.461
HF – hip flexors; HE – hip extensors; HF/HE – trunk flexor/extensor strength ratio.

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