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Lower Extremity
Test 1
23
Anatomy
Professional
01/11/2012

Additional Anatomy Flashcards

 


 

Cards

Term
Peroneus Brevis
Definition
O: Distal 2/3 of lateral shaft of fibula & adjacent intermuscular septum

I: Base of 5th metatarsal

N: Superficial peroneal (L4-S1, mainly S1)
Term
Peroneus Longus
Definition
O: Head & proximal 2/3 of lateral shaft of fibula; lateral tibial condyle; tib/fib capsule

I: Medial aspect of plantar surfaces of 1st metatarsal and cuneiform

N: Superficial peroneal (L4-S1; mainly S1)
Term
Peroneus Tertius
Definition
O: Distal 1/3 of anterior surface of fibula

I: Dorsal surface of base of 5th metatarsal

N: Deep peroneal (L4-S1; mainly S1)
Term
Tibialis Anterior
Definition
O: Lateral condyle and anterolateral aspect of proximal 2/3 tibial shaft

I: Medial surface of 1st cuneiform and adjacent metatarsal base

N: Deep peroneal (L4-5)
Term
Extensor Digitorum Longus
Definition
O: Lateral tibial condyle, proximal tibfib joint capsule, proximal 2/3 of anteromedial fibular shaft

I: Middle and distal phalanges of toes 2-5

N: Deep peroneal (L4-S1)
Term
Extensor Hallucis Longus
Definition
O: Middle part of anterior aspect of fibula (deep to tib anterior and extensor digitorum longus)

I: Distal phalanx of hallux

N: Deep peroneal (L4-S1)
Term
Flexor Digitorum Longus
Definition
O: Middle 1/3 of medial surface of the shaft of the tibia

I: Crosses posterior to medial malleolus, through tarsal tunnel, joined by quadratus plantae to plantar surfaces of distal phalanges toes 2-5

N: Tibial (S2-S3)
Term
Flexor Hallucis Longus
Definition
O: Distal 2/3 of posterior aspect of shaft of fibula

I: Crosses posterior to medial malleolus; deep in tarsal tunnel; inferior to sustentaculum tali and head of talus to plantar surface of distal phalanx of hallux

N: Tibial (S2-S3)
Term
Tibialis Posterior
Definition
O: Posterior sides of proximal lateral shaft of tibia; proximal medial shaft of fibula

I: 8 insertions: navicular and 1st cuneiform tubercles w/ tendinous expansions to 2nd & 3rd cuneiforms, 2nd, 3rd, & 4th metatarsal bases & cuboid (tendon is visible & palpable along posterior malleolus appears to terminate on navicular tubercle

N: Tibial (L4-S1)
Term
Gastrocnemius
Definition
O: Medial head - superior surface of medial condyle of femur
Lateral head - superior surface of lateral condyle of femur

I: Achilles tendon - inserts on tuberosity of posterior calcaneus

N: Tibial (L5-S2; primarily L5-S1)
Term
Soleus
Definition
O: Posterior head, neck, and proximal 1/3 of fibular shaft; posteromedial aspect of tibia

I: Calcaneal (achilles) tendon inserts middle part of calcaneal tuberosity

N: Tibial N (L5-S2)
Term
Popliteus
Definition
O: Lateral aspect of the lateral femoral condyle, adjacent arcuate ligament and posterior capsule

I: Posterior aspect of the proximal tibia; lateral meniscus

N: Tibial (L4-S1)
Term
Semitendinosus
Definition
O: Ischial Tuberosity

I: Proximal medial surface of shaft of tibia as posterior portion of pes anserinus; inferior to medial condyle

N: Tibial division of sciatic (L5-S2: primarily L5)
Term
Semimembranosus
Definition
O: Ischial Tuberosity

I: Posterior aspect of medial tibial condyle; posterior joint capsule; posterior horn of medial meniscus; anchoring point for oblique popliteal ligament

N: Tibial division sciatic (L5-S2; primarily L5)
Term
Biceps Femoris
Definition
O: Long head - ischial tuberosity as part of common tendon with semitendinosus and semimembranosus
Short Head - lateral lip of distal 1/2 of linea aspera and lateral supracondylar line of femur; lateral intermuscular septum

I: seuperolateral aspect of fibular head w/ slips to lateral tibial condyle & fibulocollateral ligament

N: Sciatic - tibial division to long head and peroneal division to short head (L5-S2; primarily S1)
Term
Sartorius
Definition
O: Anterior Superior Iliac Spine (ASIS)

I: Passes obliquely infermedially posterior to medial femoral condyle; anterior portion of pes anserinus; medial aspect of proximal shaft of tibia below medial tibial condyle

N: Femoral (L2-3)
Term
Rectus Femoris
Definition

O: Straight tendon from AIIS Reflected tendon originates superior to brim of acetabulum and adjacent hip joint capsule

 

I: Anterior middle part of quadriceps tendon to tibial tuberosity via infrapatellar tendon

 

N: Femoral (L2-4)

Term
Vastus Intermedius
Definition
O: Deep to rectus femoris; anterolateral surface of proximal 2/3 of femur

I: Deep part of quadriceps tendon to tibial tuberosity via infrapatellar tendon

N: Femoral (L2-L4; especially L3-4)
Term
Vastus Medialis
Definition
O: Medial side of femur

I: Medial portion of quadriceps tendon to tibial tuberosity via infrapatellar tendon

N: Femoral (L2-L4; especially L3-L4)
Term
Vastus Lateralis
Definition
O: Intertrochanteric line; distal part of posterior aspect of greater trochanter; lateral part of gluteal tuberosity; proximal 1/2 of lateral lip of linea aspera. IT band;

I: Lateral part of quadriceps tendon to tibial tuberosity via infrapatellar tendon

N: Femoral (L2-L4; especially L3-L4)
Term
Iliacus
Definition
O: Superior 2/3 of iliac fossa, inner lip of iliac crest, anterolateral SI base, iliolumbar and sacroiliac ligaments

I: Forms lateral part of iliopsoas and inserts on inferior part of lesser trochanter

N: Femoral (primarily L2-L3)
Term
Psoas Major
Definition
O: Anterior and lateral T12-L5 vertebral bodies; IVD; and TP's

I: Medial portion of iliopsoas inserts by common tendon on lesser trochanter

N: Individual branches of lumbar plexus carrying L1-L3; sometimes the femoral nerve (primarily L1-L3)
Term
Pectineus
Definition
O: Pectineal line and adjacent bone of the pubis

I: Pectineal line on the the posterior proximal aspect of femur

N: 90% by femoral (L2-L3); 10% by obturator
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