Medial Gastrocnemius (GM)

  1. Estimate the midpoint between the popliteal crease and the musculotendinous junction between the gastrocnemius and Achilles tendon along the longitudinal axis of the lower leg.
  2. Place the probe in a short axis position and find the apex of the fascia between the medial and lateral heads of the Gastrocnemius and the Soleus.

  3. Move this apex to the extreme lateral edge of the screen.

  4. Toggle the probe to achieve a hyperechoic (bright) reflection from the fascia just deep to the medial head of the Gastrocnemius.

  5. Capture the image.

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