Shared Flashcard Set

Details

Lower extremity nevers...?
asdf
22
Anatomy
Undergraduate 4
02/28/2013

Additional Anatomy Flashcards

 


 

Cards

Term
Lumbar plexus
Definition
L1-l4
primarily innvervates:
posterior abdominal wall muscles
anterior thigh muscles
medial thigh muscles
**** saphenous nerve innverates skin of medial leg
Term
1 Branch emerges from anterior boarder
Definition
genito femoral Nerve (L1-L2)
cutaneous to gential region and proximal naterior thigh
innvervates cremaster muscle
Term
5 branches emerge from lateral boarder of psoas
Definition
subcostal (not part of the lumar plexus because its root is from t12)
iliohypogastric nerve (L1)
ilioinguinal Nerve (L1)
lateral femoral cutaneous (L2-3)
femoral (L2m L3, L4)
Term
iliohypogastric Never (L1)
Definition
curtaneous to gluteal and lower abdomen
motoro to lower abdomen
Term
Ilioinguinal Nerve (L1)
Definition
curtaneous to inguinal region (Proximal medial thigh)
motor to lower abdominals
Term
Lateral femoral cutaneous Nerve (L2, L3)
Definition
curtanoues to proximal anterolateral thigh as far as knee
Term
femoral Never (L2, L3, L4)
Definition
innverates:
psoas mjor and iliacus
anterior compartment thigh muscles
pectineus
articular branches to hip and knee joints
curtaneous:
anterior femoral curtaneous nerve
saphenous never
Term
1 branch emerges from medial border
Definition
obturator never L2, L3, L4
innervates:
adductor muscles (medial thigh)
obturator externus
skin on medial mid-thigh
articular branches to hip joint
Term
lumbosacral trunk
Definition
L4-L5
contributes to sacral plexus
Term
sacral plexus
Definition
L4-5 and S1-4
primarily innervates:
posterior compartment thigh muscles
buttock
all of leg and foot below knee except medial cutaneous leg
Term
Sacral plexus- 8 branches
Definition
8 branches:
superior gluteal (L4-5, S1)
inerior gluteal (L5, S1-2)
nerve to obturator inernus (and superior gemellus) (L5, S1-2)
Never to quadratus femoris (and inferior gemellus) (L4-5, S1)
branches to piriformis (S1-2)
posterior femoral cutaneous (S1-3)
pudendal (S2-4)
Sciatic (L4-5, S1-3)
Term
Superior gluteal
Definition
Root: L4-5, S1
gluteus medius and minimus, TFL
Term
Inferior gluteal
Definition
Root: (L5, S1-2)
Glueteus maximus
Term
Posterior femoral cutaneous
Definition
Root: S1-3
largest cutaneous nerve
innverates the largest cutaneous area of the body
Term
Nerve to obturator internus
Definition
Root: L5, S1-2
Term
Nerve to quadratus femoris
Definition
Root: L4-5, S1
Term
Branches to piriformis
Definition
Root: (S1-2)
Term
pudendal
Definition
Root: S2-4
Sensory to external genitalia
perineum--- skin and muscles
Term
Sciatic
Definition
Root: L4-5, S1-3
splits into common peroneal and tibial nerves in common sheath
Midway between the iscial tuberocity and the lateral side of the greater trochanter of the femur
Term
Tibial Nerve
Definition
Root: L4-5, S1-3
innervates:
-posterior thigh muscles:
hamstrings except for short head biceps
posterior compartment adductor magnus
-popliteal fossa branches:
medial sural cutaneous--->sural nerve
muscular chranches to gastroc and plantaris
articular branches
-all posterior leg msucles
-medial calcaneal- cutaneous heel
-medial and lateral plantar
Term
Common peroneal nerve
Definition
Root: L4-5, S1-2
-short heat biceps femoris in thigh
-popliteal fossa
fibular communicating branch
lateral sural cutaneous0 upper lateral leg
-travels around head/neck of fibula and divides into:
\superficial peroneal
lateral compartment leg muscles
cutaneous- lower anterolateral leg and dorsum of foot
\deep peroneal
recuurent branch to knee joint
anterior compartment leg msucles and extension digitorum brevis on foot
cutaneous- wedge btw toes 1 and 2
Term
Sural nerve
Definition
lower posterolateral leg
Supporting users have an ad free experience!