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64 Cards in this Set
- Front
- Back
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What muscles attach the lower extremity to pelvic girdle? 2
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gluteal region
muscles on the anterior side of the pelvis |
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In embryological development, how does the upper and lower extremities grow?
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the limb buds grow with the dorsal side facing up and the ventral side facing down
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Action of anterior muscle crossing the hip?
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flex the thigh
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Action of muscles of the anterior compartment of the thigh?
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primarily extend knee
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Action of muscles of the medial compartment of the thigh?
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primarily adduct thigh
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What are the anterior muscles crossing the hip joint? 2
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Iliopsoas
Sartorius |
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What muscles are the Iliopsoas composed of?
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Iliacus
psoas major |
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Where does the Iliopsoas exit?
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exits the pelvis deep to the inguinal ligament
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Action: Iliopsoas?
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chief flexor of the thigh or trunk
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Origin & Inserion:Iliacus?
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O- iliac fossa
I- lesser trochanter |
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Innervation: Iliacus?
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femoral nerve
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Action: Iliacus?
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flex thigh
flex trunk |
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Origin & Insertion: Psoas Major?
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O- T12 and Lumbar vertebrae
I- lesse trochanter |
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Innervation: Psoas major?
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ventral rami (lumbar)
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Action: Psoas major?
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flex thigh and trunk
flexes vertebral column laterally |
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What muscle is absent in 40% of people?
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Psoas minor
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What is the longest muscle in the body?
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sartorius
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Action of Sartorius? 2
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flexes and laterally rotates thigh
flexes legs |
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Origin & Insertion of Sartorius?
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O-anterior iliac spine
I-medial aspect of tibia |
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Innervation: Sartorius?
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femoral nerve
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What seperates each group of thigh muscles?
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Fascial walls formed by the deep fascia of the thigh
fascia lata |
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What muscles are in the anterior compartment of the thigh? 6
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-rectus femoris
-vastus lateralis -vastuts medialis -vastus intermedius -tensor fascia latae -articularis genu |
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What muscles form the quadriceps tendon?
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resctus femoris
vastus lateralis vastus medialis vastus intermedius |
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Action: Rectus femoris?
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extends the leg (kicks)
flex the thigh |
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Origin & Insertion: rectus femoris?
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O- anterior inferior iliac spine
I- tibial tuberosity |
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Innervation: Rectus Femoris?
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femoral nerve
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Action: Vastus Lateralis?
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extends the leg
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Origin 2 & insertion: Vastus Lateralis?
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O- greater trochanter & linea aspera
I- Patellar ligament |
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Innervation: Vastus Lateralis?
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femoral nerve
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Origin (2) & Insertion: Vastus Medialis
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O- intertrochanter line & linea aspera
I- tibial tuberosity |
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Innervation: Vastus Medialis
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femoral nerve
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Action: Vastus medialis?
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extends the knee
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Where is the Articularis Genu located?
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deep to the vastus intermedius just above the knee
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What is the role of Articularis Genu?
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pulls the synovial membrane out of the joint on extension
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Origin & Insertion: Vastus Intermedius?
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O- Intertrochanter line
I- tibial tubersoity |
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Innervation: Vastus Intermedius?
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femoral nerve
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Action: Vastus Intermedius?
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extends knee
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What are the primary actions of the anterior compartment of thigh? 2
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extending the leg
minor flexion of thigh |
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Origin & Insertion: Tensor Fascis Latae?
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O- lateral side of pelvis
I- Iliotibial band |
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Action: Tensor Fascia Latae?
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flexes the thigh with iliopsoas
medially rotated and abducts the thigh with other muscles |
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Innervation: Tensor Fascis Latae?
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Superior Gluteal Nerve
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Insertion of Iliotibial Band?
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lateral condyle of tibia
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What 5 muscles are in the medial compartment of thigh?
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adductor magnus
adductor longus adductor brevis pectineus gracilis |
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Role of Adductors of the thigh?
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stabilize the thigh during flexion and extension
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Origin of medial compartment of thigh?
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pelvis
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Innervation of Medial compartment of thigh?
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obturator nerve
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Innervation of Adductor magnus? 2
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obturator nerve
tibial nerve |
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Origin & insertion: Adductor magnus?
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O- Ischial tuberosity
I- linea aspera |
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Action: Adductor Magnus?
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adducts and medially rotates and flexes thigh
extend thigh |
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Origin & Insertion: Adductor longus?
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O- pubis
I- linea aspera |
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Action: Adductor longus?
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adducts, flexes, and medially rotates thigh
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Innervation: adductor longus?
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obturator nerve
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Innervation: Adductor Brevis?
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obturator nerve divided into anterior and posterior divisions on either side of muscle
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Origin & Insertion:Adductor Brevis?
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O- inferior pubic ramus
I- linea aspera |
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Action: Adductor Brevis?
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adducts, flexes, and medially rotates thigh
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Action: Pectineus?
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flex and adduct thigh
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Innervation: Pectineus?
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Femoral nerve
Obturator nerve(sometimes) |
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Origin & Insertion: Pectineus?
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O- inferior pubis ramus
I- lesser trochanter of femur |
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Action: Gracilis?
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flexes the leg
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What forms the Pes Anserinus? 3
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Gracilis,Sartorius, Semitendinosus
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What is the Pes Anserinus?
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3 tendons inserting on the medial condyle of tibis
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What does the Adductor canal contain?
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passage of the femoral artery and vein
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Femoral Triangle? What does its' side consist of?
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-area on the anterior surface of the thigh
-Lateral: Sartorius -Medial: Adductor Longus -Superior: Inguinal ligament -Floor (posterior wall)-pectineus. iliopsoas, adductor longus |
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What components are inside the femoral triangle?
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femoral nerve and vein (NAVAL)
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