Can ultrasound measurements of muscle thickness be used to measure the size of individual quadriceps muscles in people with patellofemoral pain?. Issue 1 (February 2015)

• Record Type: Journal Article
• Authors: Giles, Lachlan S.; Webster, Kate E.; McClelland, Jodie A.; Cook, Jill
• Is Part Of: Physical therapy in sport. Volume 16:Issue 1(2015)
• Page Start: 45
• Page End: 52
• Publication Date: 2015-02
• Subjects: Sports physical therapy -- Periodicals; Sports injuries -- Patients -- Rehabilitation -- Periodicals; Athletic Injuries -- diagnosis -- Periodicals; Athletic Injuries -- therapy -- Periodicals; Physical Therapy -- Periodicals; Sports Medicine -- Periodicals; 615.82088796
• DOI: 10.1016/j.ptsp.2014.04.002
• Languages: English
• ISSNs: 1466-853X

Abstract

<abstract xml:lang="en" abstract-type="author" id="abs0010"> <title id="sectitle0010">Abstract</title> <sec> <title id="sectitle0015">Objectives</title> <p id="abspara0010">Selective atrophy of vastus medialis oblique (VMO) may be present in patellofemoral pain (PFP). This study investigated the validity of real-time ultrasound in measuring the thickness of each quadriceps muscle.</p> </sec> <sec> <title id="sectitle0020">Design</title> <p id="abspara0015">Cross sectional-Validity.</p> </sec> <sec> <title id="sectitle0025">Setting</title> <p id="abspara0020">University laboratory.</p> </sec> <sec> <title id="sectitle0030">Participants</title> <p id="abspara0025">10 limbs, 5 people with unilateral PFP.</p> </sec> <sec> <title id="sectitle0035">Main outcome measures</title> <p id="abspara0030">The thickness of VMO, vastus lateralis (VL), vastus intermedius (VI), rectus femoris (RF), and vastus medialis (VM) measured with ultrasound were compared to magnetic resonance imaging (MRI) muscle thickness measurements, using Pearson's (<italic>r</italic>), and compared to MRI muscle cross-sectional area (CSA) measurements, using Spearman's correlation coefficient (rho).</p> </sec> <sec> <title id="sectitle0040">Results</title> <p id="abspara0035">There was a good correlation between ultrasound and MRI measures of the thickness of each superficial quadriceps muscle VMO (<italic>r</italic> = 0.86), VM (<italic>r</italic> = 0.86), VL (<italic>r</italic> = 0.94), RF (<italic>r</italic> = 0.86), and a poor for VI (<italic>r</italic> = 0.37). Ultrasound measures had a good correlation to MRI muscle CSA measures for VL (rho = 0.83) and RF (rho = 0.88), moderate for VM (rho = 0.73), and poor for VMO (rho = 0.20), and VI (rho = 0.310).</p> </sec> <sec> <title id="sectitle0045">Conclusion</title> <p id="abspara0040">Real-time ultrasound muscle thickness measurements are correlated to MRI measured thickness of superficial quadriceps muscles (VMO, VL, VL, and RF) in PFP.</p> </sec> </abstract>