US longitudinal view of medial head gastrocnemius

The photograph on the left shows the position of the ultrasound transducer for obtaining the image on the right, a longitudinal view of the medial gastrocnemius. Note the hypoechoic change (arrow) at the insertion of the medial gastrocnemius into the fascia consistent with a muscle tear. Localized edema, which also appears hypoechoic (arrowheads), is present in multiple sites within the gastrocnemius.