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 (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.]


the largest muscle of the calf of the leg


(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.
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


n gastrocnemio, músculo gemelo
References in periodicals archive ?
Especially, it is unknown whether or not an acute effect of cyclic stretching changes the passive fascicle stiffness of medial gastrocnemius muscle (MG).
Ultrasonographic assessment of spastic gastrocnemius muscle was also performed.
In another study, the medial and lateral epicondyles of the femur were used as bony landmarks and the distance to the motor branch of the gastrocnemius muscle was measured in order to determine the motor branch NEP (Yoo et al.
Triode electrodes placed on vastus lateralis (VL), gastrocnemius (GN), and gluteus maximus(GM) recorded muscle activity during squats.
In order to make use of the same incision in our study, the knee joint is further taken into flexion with a draped bolster which relaxes the taught gastrocnemius with its attachments on the posterior aspects of the femoral condyles.
Histopathological examination of the left gastrocnemius confirmed chronic myositis with necrotic neurogenic atrophy.
Measurements of Achilles length were taken from the calcaneal notch, or most proximal insertion of the Achilles tendon, to the gastrocnemius myotendinous junction as well as the most distal insertion of the soleus.
6 The most commonly involved lower limb muscles include gastrocnemius, soleus, adductors, hamstrings, psoas and rectus femoris.
2012) were placed on the following left lower limb muscles: Gluteus Medius, Tensor Fasciae Latae, Rectus Femoris, Vastus medialis, Vastus lateralis, Biceps Femoris, Tibialis Anterior and Gastrocnemius (Lateral Subdivision), and the reference electrode was placed on the left lateral malleolus.
Once habituated, surface EMG (sEMG) electrodes were placed on the participants' right lower erector spinae, rectus abdominis, biceps femoris, gastrocnemius and rectus femoris muscles, as detailed in studies by Silfies et al.
We present our experience of the treatment of exposed tibia in three burn patients using three local flaps (medial gastrocnemius flap, tibialis anterior flap and hemisoleus flap) in conjunction with one another.
A Posterior knee pain can result from a number of issues, such as injury to one or more muscles and tendons that connect to the back of the knee: the biceps femoris tendon (a hamstring tendon); the popliteus muscle/tendon, which rotates the shin bone (tibia); and the gastrocnemius tendon, which connects the calf muscle to the back of the knee.