Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
sacral plexus lies caudal to
lumbar plexus (stems from L4 to S4) and is often referred together with the lumbar plexus as the lumbosacral plexus. branches innervate buttocks, pelvis, perineum lower limb (except anterior & medial thigh) |
Sciatic nerve, the largest nerve of the sacral plexus is actually two nerves wrapped in one sheath:
|
|
|
|
largest nerve of the sacral plexus is
|
Sciatic nerve
|
|
|
|
What is unique about the largest nerve of the sacral plexus
|
It is actually two nerves wrapped in one sheath:
Sciatic N what are the 2 Nerves split into = |
|
|
|
Sciatic N
what are the 2 Nerves split into = |
Tibial nerve
Common fibular (peroneal) nerve |
|
|
|
Common fibular nerve aka =
|
(peroneal)
|
|
|
|
(peroneal) nerve aka =
|
Common fibular
|
|
|
|
Tibial N Roots =
|
L4,
L5, S1, S2, S3 |
|
|
|
Common fibular N
(peroneal) N |
L4,
L5, S1, S2, |
|
|
|
Tibial N
(L4,L5,S1,S2,S3) innervates what General Regions = |
-posterior thigh,
-posterior leg (lower leg), -intrinsic muscles of foot |
|
|
|
Common fibular
(peroneal) N (L4,L5,S1,S2) innervates what general muscle region = |
anterolateral leg
(lower leg) |
|
|
|
Nerves of the Sacral & Lumbar plexaus are
Ventral or dorsal rami = |
Ventral rami
|
|
|
|
Name the nerves of the sacral plexus
proximal to distal = 11ct (Distribution of major nerves from sacral plexus to lower limb) |
Superior Gluteal
Inferior Gluteal Pudendal Sciatic Posterior Femoral Cutaneous Common Fibular Tibial Sural Deep Fibular Superficial Fibular Plantar Branches Alphabetical (challenge) |
Gluteal Superior
Gluteal Inferior Femoral Cutaneous -Posterior Fibular -Common Fibular -Deep Fibular -Superficial Plantar Branches Pudendal Sciatic Sural Tibial |
|
|
Tibial nerve
Myo Innervation Leg region 5ct = |
Sciatic N
(when does the bundled sciatic N separate into two nerves =) Biceps femoris(long head)-lateral Semi-Tendinosis-lateral Adductor Magnus-lateral Semimembranosus-lateral {Common fibular N innervates biceps femoris (short head) - medial} In the thigh region |
|
|
|
Common Fibular N
Myo Innervation Leg region 8ct = |
Sciatic nerve is now separated into tibial/common fibular
Gastrocnemius -Lateral Plantaris -Medial Gastrocnemius -Medial Popliteus -Medial Soleus -Medial Tibialis Posterior -Medial Flexor Digitorum Longus -Lateral Flexor Hallucis Longus -Medial |
|
