Leg Muscles Flashcards
What is the origin of the Anterior Tibialis?
Lateral condyle and proximal two-thirds of the lateral surface of the tibia
What is the insertion of the Anterior Tibialis?
Medial and plantar aspects of the medial cuneiform and the base of the first metatarsal
What innervates the Anterior Tibialis?
Deep fibular (peroneal) nerve
What is the origin of the Posterior Tibialis?
Proximal two-thirds of posterior surface of the tibia and fibula
What is the insertion of the Posterior Tibilias?
The main insertion is on the navicular tuberosity and the medial cuneiform bone.
What innervates the Posterior Tibialis?
Tibial Nerve
What is the origin of the Soleus?
Head of fibula and posterior surface of fibula Soleal line and medial border of tibia
What is the insertion of the Soleus?
Calcaneus via the Achilles tendon
What innervates the Soleus?
Tibial Nerve
What is the origin of the Gastrocnemius?
Posterior aspect of the lateral and medial femoral condyles
What is the insertion of the Gastrocnemius?
Posterior aspect of the lateral and medial femoral condyles
What innervates the Gastrocnemius?
Tibial Nerve
What is the origin of the Fibularis Longus?
Lateral condyle of tibia, head and proximal two-thirds of the lateral surface of the fibula
What is the insertion of the Fibularis Longus?
Lateral surface of the medial cuneiform and lateral side of the base of the first metatarsal
What innervates the Fibularis Longus?
Superficial Fibular Nerve
What is the origin of the Biceps Femoris. Long Head?
Ischial tuberosity of the pelvis, part of the sacrotuberous ligament
What is the insertion of the Biceps Femoris, Long Head?
Head of the fibula
What innervates the Biceps Femoris, Long Head?
Tibial Nerve
What is the origin of the Biceps Femoris, Short Head?
Lower one-third of the posterior aspect of the femur
What is the insertion of the Biceps Femoris, Short Head?
Head of the fibula
What innervates the Biceps Femoris, Short Head?
Common Fibular Nerve
What is the origin of the Semimembranosus?
Ischial tuberosity of the pelvis
What is the insertion of the Semimembranosus?
Posterior aspect of the medial tibial condyle of the tibia
What innervates the Semimembranosus?
Tibial Nerve
What is the origin of the Semitendinosus?
Ischial tuberosity of the pelvis and part of the sacrotuberous ligament
What is the insertion of the Semitendinosus?
Proximal aspect of the medial tibial condyle of the tibia (pes anserine)
What innervates the Semitendinosus?
Proximal aspect of the medial tibial condyle of the tibia (pes anserine)
What is the origin of the Vastus Lateralis?
Anterior and inferior border of the greater trochanter, lateral region of the gluteal tuberosity, and lateral lip of the linea aspera of the femur
What is the insertion of the Vastus Lateralis?
Base of patella and tibial tuberosity of the tibia
What innervates the Vastus Lateralis?
Femoral Nerve
What is the origin of the Vastus Medialis?
Lower region of intertrochanteric line, medial lip of linea aspera, and proximal medial supracondylar line of the femur
What is the insertion of the Vastus Medialis?
Base of patella and tibial tuberosity of the tibia
What innervates the Vastus Medialis?
Femoral Nerve
What is the origin of the Vastus Intermedius?
Anterior-lateral regions of the upper two-thirds of the femur
What is the insertion of the Vastus Intermedius?
Base of patella and tibial tuberosity of the tibia
What innervates the Vastus Intermedius?
Femoral Nerve
What is the origin of the Rectus Femoris?
Anterior-inferior iliac spine of the pelvis
What is the insertion of the Rectus Femoris?
Base of patella and tibial tuberosity of the tibia
What innervates the Rectus Femoris?
Femoral Nerve
