Association of Quadriceps Muscle Fat With Isometric Strength Measurements in Healthy Males Using Chemical Shift Encoding-Based Water-Fat Magnetic Resonance Imaging

J Comput Assist Tomogr. 2016 May-Jun;40(3):447-51. doi: 10.1097/RCT.0000000000000374.

Abstract

Magnetic resonance-based assessment of quadriceps muscle fat has been proposed as surrogate marker in sarcopenia, osteoarthritis, and neuromuscular disorders. We presently investigated the association of quadriceps muscle fat with isometric strength measurements in healthy males using chemical shift encoding-based water-fat magnetic resonance imaging. Intermuscular adipose tissue fraction and intramuscular proton density fat fraction correlated significantly (P < 0.05) with isometric strength (up to r = -0.83 and -0.87, respectively). Reproducibility of intermuscular adipose tissue fraction and intramuscular proton density fat fraction was 1.5% and 5.7%, respectively.

MeSH terms

  • Adiposity / physiology
  • Adult
  • Body Water / diagnostic imaging
  • Body Water / physiology
  • Humans
  • Image Interpretation, Computer-Assisted*
  • Intra-Abdominal Fat / diagnostic imaging
  • Intra-Abdominal Fat / physiology*
  • Isometric Contraction / physiology*
  • Magnetic Resonance Imaging*
  • Male
  • Muscle Strength / physiology*
  • Quadriceps Muscle / diagnostic imaging*
  • Quadriceps Muscle / physiology*
  • Reference Values
  • Reproducibility of Results
  • Sensitivity and Specificity