Influence of complete spinal cord injury on skeletal muscle cross-sectional area within the first 6 months of injury

1999 ◽  
Vol 80 (4) ◽  
pp. 373-378 ◽  
Author(s):  
Michael J. Castro ◽  
David F. Apple Jr ◽  
Ellen A. Hillegass ◽  
Gary A. Dudley
Keyword(s):  
Skeletal Muscle ◽  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Cord Injury ◽  
Complete Spinal Cord Injury ◽  
Muscle Cross Sectional Area

Anthropometric Prediction of Skeletal Muscle Cross-sectional Area in Persons with Spinal Cord Injury

2016 ◽  
Vol 48 ◽  
pp. 894
Author(s):  
Rodney C. Wade ◽  
Ashraf S. Gorgey ◽  
Jennifer Hubert ◽  
Ryan Sumrell ◽  
Justin Bengel ◽  
...  
Keyword(s):  
Skeletal Muscle ◽  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Cord Injury ◽  
Muscle Cross Sectional Area

Poster 504 Reliability of Ultrasound Measured Wrist Extensors Muscle Cross-sectional Area in Men With Spinal Cord Injury

PM&R ◽  
2012 ◽  
Vol 4 ◽  
pp. S362-S363
Author(s):  
Mark Timmons ◽  
Jeff J. Ericksen ◽  
David R. Gater ◽  
Ashraf Gorgey ◽  
Lori A. Michener
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Cord Injury ◽  
Muscle Cross Sectional Area

Lower-Extremity Muscle Cross-Sectional Area After Incomplete Spinal Cord Injury

2006 ◽  
Vol 87 (6) ◽  
pp. 772-778 ◽  
Author(s):  
Prithvi K. Shah ◽  
Jennifer E. Stevens ◽  
Chris M. Gregory ◽  
Neeti C. Pathare ◽  
Arun Jayaraman ◽  
...  
Keyword(s):  
Spinal Cord ◽  
Spinal Cord Injury ◽  
Lower Extremity ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Incomplete Spinal Cord Injury ◽  
Cross Sectional ◽  
Lower Extremity Muscle ◽  
Cord Injury ◽  
Muscle Cross Sectional Area

Anthropometric prediction of skeletal muscle cross-sectional area in persons with spinal cord injury

2017 ◽  
Vol 122 (5) ◽  
pp. 1255-1261 ◽  
Author(s):  
Rodney C. Wade ◽  
Ashraf S. Gorgey
Keyword(s):  
Spinal Cord ◽  
Field Equation ◽  
Cross Sectional Area ◽  
Anthropometric Measurements ◽  
Sectional Area ◽  
Resonance Imaging ◽  
Cross Sectional ◽  
Cord Injury ◽  
Magnetic Resonance Imaging Mri ◽  
Muscle Cross Sectional Area

Finding an accurate and affordable method to quantify muscle size following spinal cord injury (SCI) could provide benefits clinically and in research settings. The purpose of this study was to validate the use of anthropometric measurements vs. magnetic resonance imaging (MRI) to evaluate muscle cross-sectional area (CSA) and develop a field equation to predict muscle CSA specific to the SCI population. Twenty-two men with chronic (>1 yr) motor complete SCI participated in the current study. Anthropometric measurements, including midthigh circumference and anterior skinfold thickness (SFT), were taken on the right thigh. The anthropometric muscle cross-sectional area (muscle CSAanthro) was predicted using the following equation: muscle CSAanthro = π[ r − (SFT/2)]2, where r = thigh circumference/2π. MRI analysis yielded whole thigh CSA (thigh CSAMRI), midthigh muscle CSA (muscle CSAMRI), midthigh absolute muscle CSA after subtracting intramuscular fat and bone (muscle CSA-IMFMRI), subcutaneous adipose tissue (SATT) measured at one site as well as at four sites, and bone CSA. Anthropometric measurements were correlated to the thigh CSAMRI [ r2 = 0.90, standard error of the estimate (SEE) = 17.6 cm2, P < 0.001]. Muscle CSAanthro was correlated to muscle CSAMRI ( r2 = 0.78, SEE = 16.6 cm2, P < 0.001) and muscle CSA-IMFMRI ( r2 = 0.75, SEE = 17.6 cm2, P < 0.001). A single SFT was correlated to the polar four-site SATT ( r2 = 0.78, SEE = 0.37 cm, P < 0.001). The average femur CSA and average IMF CSA derived from MRI led to the following field equation: muscle CSApredicted = π[(Thighcircum/2π) − (SFT/2)]2 − 23.2. Anthropometric measurements of muscle CSA exhibited a good agreement with the gold standard MRI method and led to the development of a field equation for clinical use after accounting for bone and IMF. NEW & NOTEWORTHY This study used anthropometric measurements and magnetic resonance imaging (MRI) to evaluate muscle cross-sectional area (CSA) and developed a field equation to predict thigh muscle CSA specific to the spinal cord-injured (SCI) population. Anthropometric measurements were correlated to the whole thigh CSA and muscle CSA as measured by MRI. The correlations led to the development of a SCI-specific field equation that accounted for intramuscular fat and bone areas.

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