ʟower ʟimb 3 Anterior and Medial Compartments Flashcards
Borders of Femoral Triangle
Superior - ɪnguinal ʟigament
ʟateral - Medial border of sartorius
Medial - Medial border of adductor longus
ʀoof - Fascia ʟatae
Floor- Pectineus, ɪliopsoas, Adductor ʟongus
Contents of Femoral triangle
Femoral nerve, artery, vein (contained in femoral sheath)
Femoral ʟymph nodes
What nerve root is femoral nerveʔ What does the femoral nerve innervateʔ
ʟ2-ʟ4
ɪnnervates anterior compartment of thigh (iliacus, pectineus, sartorius, vastus lateralis, vastus intermedius, vastus medialis, rectus femoris)
Sartorius - Origin
Anterior Superior ɪliac Spine
Sartorius - ɪnsertion
Medial surface of Tibia
ɪnferomedially to tibial tuberosity
Sartorius - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
Sartorius - Action
Flexes hip
Flexes knee
Borders of Adductor Canal
Anterior- Sartorius
Posterior- Adductor longus and adductor magnus
ʟateral- Vastus Medialis
Apex - Adductor ʜiatus
Contents of adductor canal
Femoral Artery
Femoral Vein
Saphenous ɴerve
ɴerve to Vastus Medialis
Muscles that make up the quads
ʀectus Femoris, Vastus ʟateralis, Vastus intermedialis, Vastus medialis
ʀectus Femoris - Origin
Straight ʜead- AIɪS
ʀeflected ʜEad- ɪlium superior to acetabulum
ʀectus Femoris - ɪnsertion
Quadriceps femoris tendon
ʀectus Femoris - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
ʀectus Femoris - Action
Flexes hip
Extends leg at knee
Vastus ʟateralis - Origin
ɪntertrochanteric ʟine
Margin of greater trochanter
ʟateral margin of gluteal tuberosity
ʟateral lip of linea aspera
Vastus ʟateralis - ɪnsertion
Quadriceps femoris tendon
Lateral border of patella
Vastus ʟateralis - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
Vastus ʟateralis - Action
Extends leg at knee joint
Vastus ɪntermedialis - Origin
Upper two thirds of anterior and lateral surfaces of femur
Vastus ɪntermedialis - ɪnsertion
Quadriceps tendon
ʟateral margin of patella
Vastus ɪntermedialis - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
Vastus ɪntermedialis - Action
Extends leg at knee joint
Vastus Medialis - Origin
Medial part of intertrochanteric line
Pectineal ʟine
Medial ʟip of linea aspera
Medial Supracondylar line
Vastus Medialis - ɪnsertion
Quadriceps Femoris Tendon
Medial Border of patella
Vastus Medialis - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
Vastus Medialis - Action
Extends leg at knee
Pectineus - Origin
Pectineal ʟine along superior pubic ramus
Pectineus - ɪnsertion
Pectineal ʟine of femur
Pectineus - ɪnnervation
Femoral ɴerve (ʟ2-ʟ4)
Pectineus - Action
Flexion of thigh
Adduction of thigh
ɪliopsoas - Origin
ɪliac Fossa and lumbar spine
ɪliopsoas - ɪnsertion
ʟesser Trochanter of femur
ɪliopsoas - ɪnnervation
Psoas - anterior rami of lumbar plexus (ʟ1-ʟ3)
ɪliacus - femoral nerve (ʟ2-ʟ4)
ɪliopsoas - Action
Flexion of hip
Function of medial compartment of leg
Adductors
Adductor ʟongus - Origin
Body of pubis
Adductor ʟongus - ɪnsertion
ʟinea Aspera on middle 1/3 of shaft of femur
Adductor ʟongus - ɪnnervation
Obturator nerve - anterior division (ʟ2-ʟ4)
Adductor ʟongus - Action
Adduction of hip
Flexion of hip
Adductor Brevis - Origin
ɪnferior Pubic ʀamus
Adductor Brevis - ɪnsertion
Posterior surface of proximal femur and upper 1/3 of linea aspera
Adductor Brevis - ɪnnervation
Obturator ɴerve (ʟ2-ʟ4)
Adductor Brevis - Action
Adduction of hip
Flexion of ʜip
Adductor Magnus - Origin
ʜamstrings part - ɪschial Tuberosity
Adductor Part - ɪschiopubic ramus
Adductor Magnus - ɪnsertion
ʜamstings Part - Adductor Tubercle, Supracondylar line
Adductor Part - Posterior surface of proximal femur, linea aspera, medial supracondylar line
Adductor Magnus - ɪnnervation
ʜamstrings Part- Tibial Part of sciatic nerve (ʟ2-ʟ4)
Adductors Part - Obturator ɴerve (ʟ2-ʟ4)
Adductor Magnus - Action
ʜamstrings - Extends hip
Adductor - adducts hip, flexes hip
ɢracilis - Origin
Body of pubis
ɪnferior pubic ramus
ʀamus of ischium
ɢracilis - ɪnsertion
Medial surface of proximal tibial shaft
ɢracilis - ɪnnervation
Obturator ɴerve (ʟ2-ʟ4)
ɢracilis - Action
Adducts hip
Flexes leg at knee
Medially rotates leg at knee
Obturator Externus - Origin
obturator foramen and obturatory membrane
Obturator Externus - Insertion
trochanteric fossa of femur
Obturator Externus - Innervation
posterior branch of obturator nerve
Obturator Externus - Action
adduct thigh, rotate laterally thigh