Soleus Flashcards
(49 cards)
What type of muscle is the soleus
Multipennate muscle
Where is the soleus located
Deep to gastrocnemius
Why is the soleus named so
Resembles a sole/flat fish
What is the shape of the origin of soleus
Horseshoe-shaped
Where does the soleus originate on the fibula
Back of head and posterior surface of upper one-fourth of shaft
Where does the soleus originate on the tibia
Soleal line and middle one-third of medial border
What structure connects the tibial and fibular origins of soleus
Tendinous arch
How do the muscle fibers of soleus slope
Downward to form a massive belly
What does the tendon of soleus fuse with
Tendon of gastrocnemius
What structure is formed by the fusion of soleus and gastrocnemius tendons
Tendocalcaneus
Where does the tendocalcaneus insert
Middle one-third of posterior surface of calcaneum
Which nerve supplies the soleus
Tibial nerve
How many branches of the tibial nerve supply soleus
Two
Where does the first branch of tibial nerve supply soleus
Superficial surface in the popliteal fossa
Where does the second branch of tibial nerve supply soleus
Deep surface in the posterior compartment of leg
What is the main action of soleus
Plantar flexion of foot at ankle
How does the soleus help during standing
Steadies the leg on the foot
Why is the soleus called the “workhorse” of plantar flexion
It is the primary muscle for plantar flexion
How does the soleus act compared to gastrocnemius
Slow acting but more powerful
What activity is the soleus most active in
Strolling
Which muscle acts as a “top gear” during running and jumping
Gastrocnemius
What do the soleus and gastrocnemius together form
Triceps surae muscle
What small bone is found in the lateral head of gastrocnemius
Fabella
Where is Brodie�s bursa located
Deep to medial head of gastrocnemius