Ultrasound may offer a noninvasive way to manage deep muscle stiffness
Muscle strain injuries are a common problem in sports, and injuries to the triceps surae, the calf muscle group that includes the gastrocnemius and soleus, can significantly affect athletic performance and return to play. One factor thought to influence a muscle's susceptibility to strain is passive muscle stiffness, which refers to the resistance of a relaxed muscle to being stretched.
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