Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.


 (găs′trŏk-nē′mē-əs, găs′trə-)
n. pl. gas·troc·ne·mi·i (-mē-ī′)
The largest, most prominent muscle of the calf of the leg, the action of which extends the foot and bends the knee.

[New Latin gastrocnēmius, from Greek gastroknēmiā, calf of the leg : gastro-, belly (from its bellylike shape); see gastro- + knēmē, leg.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


the largest muscle of the calf of the leg
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌgæs trɒkˈni mi əs, ˌgæs trəˈni-)

n., pl. -mi•i (-miˌaɪ)
the largest muscle of the calf of the leg, arising on the femur and merging with the Achilles tendon.
[1670–80; < New Latin gastrocnēmius (musculus) < Greek gastroknēmía calf =gastro- gastro- + -knēmia, derivative of knḗmē lower leg, tibia]
gas`troc•ne′mi•al, gas`troc•ne′mi•an, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gastrocnemius - the muscle in the back part of the leg that forms the greater part of the calfgastrocnemius - the muscle in the back part of the leg that forms the greater part of the calf; responsible for the plantar flexion of the foot
skeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes
calf, sura - the muscular back part of the shank
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n gastrocnemio, músculo gemelo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
A bipolar stimulating electrode was positioned to the nerve trunk at at a location 10 mm proximal to the site of the repair and compound muscle action potentials (CMAPs) were recorded in the belly of the gastrocnemius muscle at the ipsilateral side using an EMG recorder.
What's more, resveratrol completely protected muscle mass (soleus and gastrocnemius) in the Mars rats, and in particular reduced the loss of slow-twitch muscle fibres.
Needle electromyography examination revealed spontaneous motor unit potential transitions and fasciculations in the gastrocnemius muscle (Table 1).
People are taller and heavier than in the past, so have a larger gastrocnemius muscle behind the knee which creates stress and friction.
This is contradictory to another study that showed that the phosphorylation of Akt is significantly increased in gastrocnemius muscle of mice subjected to bilateral functional overload.
Both patient groups received BTX-A injections at the site of the gastrocnemius and soleus (calf) muscles and home-based exercise programs were recommended.
The SegWAY platform is also used in minimally invasive surgery for cubital tunnel syndrome, gastrocnemius equinus contracture and plantar fasciitis.
White adipose tissue (subcutaneous, peritoneal, mesenteric, and epididymal), skeletal muscle (triceps and gastrocnemius), and liver were removed and weighed.
In this study, the researchers aimed to know how Cobra energy drink affects the muscle performance in vitro using the gastrocnemius muscle of toad.
It's also a much better way to stretch the two calf muscles - the gastrocnemius and soleus - which is critical for proper treatment and long-term results for plantar fasciitis, Achilles tendonitis and other disorders.
The medial sural artery perforator (MSAP) flap is a relatively new approach derived from the modification of the medial gastrocnemius mucocutaneous flap.[1] The posterior medial calf region was first investigated as a possible free flap donor site by Taylor and Daniel in 1973.[2] Later, topographic anatomy of this region was described by Montegut and Allen,[3] and the first clinical cases were presented by Cavadas et al.[4] in 2001.
Neutrophil infiltration was predicted by MPO activity and polymorphonuclear cell (PMN) count, whereas the presence of TNF-[alpha] level in serum and gastrocnemius muscle as well as IL-1[beta] and IL-6 levels in BALF was an indicative of inflammation.