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Variation And Reliability Of Ultrasonographic Quantification Of The Architecture Of The Medial Gastrocnemius Muscle In Young Children, Kirsten Legerlotz, Heather Smith, Wayne Hing
Variation And Reliability Of Ultrasonographic Quantification Of The Architecture Of The Medial Gastrocnemius Muscle In Young Children, Kirsten Legerlotz, Heather Smith, Wayne Hing
Wayne Hing
The aim of this study was to evaluate the suitability of ultrasonography for the quantification of gastrocnemius muscle architecture in healthy young children. The variation and reliability of measurement of muscle thickness, pennation angle and fibre length of the medial gastrocnemius were determined, using stationary and portable ultrasound machines, in 13 boys and eight girls aged 4–10. Ultrasound images were obtained from each leg, in duplicate, with the ankle at 90°, then at maximal plantar flexion, with the two machines within the same session. The same set of 16 scans was repeated in four children 4–6 weeks later. The mean …