Term
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Definition
L1-l4
primarily innvervates:
posterior abdominal wall muscles
anterior thigh muscles
medial thigh muscles
**** saphenous nerve innverates skin of medial leg |
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Term
| 1 Branch emerges from anterior boarder |
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Definition
genito femoral Nerve (L1-L2)
cutaneous to gential region and proximal naterior thigh
innvervates cremaster muscle |
|
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Term
| 5 branches emerge from lateral boarder of psoas |
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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) |
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Term
| iliohypogastric Never (L1) |
|
Definition
curtaneous to gluteal and lower abdomen
motoro to lower abdomen |
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Term
|
Definition
curtaneous to inguinal region (Proximal medial thigh)
motor to lower abdominals |
|
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Term
| Lateral femoral cutaneous Nerve (L2, L3) |
|
Definition
| curtanoues to proximal anterolateral thigh as far as knee |
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Term
| femoral Never (L2, L3, L4) |
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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 |
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Term
|
Definition
L4-L5
contributes to sacral plexus |
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Term
|
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) |
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Term
|
Definition
Root: L4-5, S1
gluteus medius and minimus, TFL |
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Term
|
Definition
Root: (L5, S1-2)
Glueteus maximus |
|
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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
|
|
Term
| Nerve to quadratus femoris |
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Definition
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Term
|
Definition
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Term
|
Definition
Root: S2-4
Sensory to external genitalia
perineum--- skin and muscles |
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Term
|
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 |
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Term
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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 |
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Term
|
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 |
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Term
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Definition
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