Superficial group of muscles in the posterior compartment of leg Flashcards
1
Q
Gastrocnemius
A
Origin:
- Medial head - Posterior surface of distal femur just superior to medial condyle
- Lateral head - upper posterolateral surface of lateral femoral condyle
Insertion:
- Via calcaneal tendon, to posterior surface of calcaneus
Innervation:
- Tibial nerve (S1, S2)
Function:
- Plantarflexes foot and flexes knee
2
Q
Plantaris
A
Origin:
- Inferior part of the lateral supracondyler line of femur and oblique popliteal ligament of knee
Insertion:
- Via calcaneal tendon, to posterior surface of calcaneus
Innervation:
- Tibial nerve (S1 ,S2)
Function:
- Plantarflexus foot and flexes knee
3
Q
Soleus
A
Origin:
- Soleal line and medial border of tibia, posterior aspect of fibular head and adjacent surfaces of neck and proximal shaft, tendinous arch between finial and fibular attachments
Insertion:
- Via calcaneal tendon, to posterior surface of calcaneus
Innervation:
- Tibial nerve (S1, S2)
Function:
- Plantarflexes the foot