Superficial flexors of posterior compartment of leg Flashcards
1
Q
Origin of gastrocnemius?
A
Femur (medial and lateral epicondyles)
2
Q
Insertion of gastrocnemius and soleus?
A
Calcaneal tuberosity via calcaneal tendon (achilles tendon)
3
Q
Innervation of triceps surae & plantaris?
A
Tibial n.
S1, S2
4
Q
Action of triceps surae?
A
Talocrural joint: plantar flexion
Knee joint: flexion (gastrocnemius)
5
Q
Origin of soleus?
A
Fibula (head and neck, posterior surface)
Tibia (soleal line via a tendinous arch)
6
Q
Origin of plantaris?
A
Femur (lateral epicondyle, proximal to lateral head of gastrocnemius)
7
Q
Insertion of plantaris?
A
Calcaneal tuberosity
8
Q
Action of plantaris?
A
Negligible; may prevent compression of posterior leg musculature during knee flexion
9
Q
Triceps surae is made of what?
A
Gastrocnemius & Soleus
