Lesson 16. Ankle Joint Actions & Muscles

by Brent Brookbush DPT, PT, MS, PES, CES, CSCS, ACSM H/FS

Ankle Joint Actions

Study GuideQuick Reference - Lower Leg Muscles

Note: If you intend to do the activities below do not open the "Study Guide" - all the answers are already filled in.  The study guide is just a quick reference tool, similar to flash cards.  Great for last-minute prep' before an exam.


In this lecture we will be discussing the Muscles That Cross the Ankle (The muscles of the lower leg):


  • Gastrocnemius (n.) 1670s, from Latinized form of Greek gastroknemia "calf of the leg," from gaster "belly" (see gastric) + kneme "calf of the leg," from PIE *kone-mo- "shin, leg-bone" (see ham (n.1)). So called for its form (the "protuberant" part of the calf of the leg). Related:Gastrocnemical. (Etymology Online)
  • Soleus (n.) muscle of the calf of the leg, 1670s, Modern Latin, from Latin solea "sole" (see sole (n.1)). So called for its flatness. (Etymology Online)
  • Fibula (n.) 1670s, "clasp, buckle, brooch," from Latin fibula "clasp, brooch," related to figere "to fasten, fix" (see fix (v.)). In

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