title: An Uncommon Cause of Posterior Leg Pain- Ultrasound Image of Plantaris Tendinopathy.
authors.affiliation: Clinician, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Beihu Branch , Taipei, Taiwan .
authors.forename: Chen-Yu
authors.initials: CY
authors.lastname: Hung
authors.affiliation: Assistant Professor, Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital Beihu Branch , Taipei, Taiwan .
authors.forename: Ke-Vin
authors.initials: KV
authors.lastname: Chang
keywords: Fibrillar pattern; Gastrocnemius muscle; Muscle junction