Figure 1.

Ultrasound image acquisition method. A: location of ultrasound transducer relative to spine; B: anatomical cross-section showing structures imaged by ultrasound beam; C: example of parasagital ultrasound image showing location of dermis and muscle.

Langevin et al. BMC Musculoskeletal Disorders 2009 10:151   doi:10.1186/1471-2474-10-151
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