Thigh - non muscles Flashcards
What are the 9 regions of the abdomen, from top to bottom?
- Hypochondrium region (L and R side)
- Epigastric region
- Lumbar region (L and R side)
- Umbilical region
- Inguinal region (L and R side)
- Hypogastric region
What are the two vertical lines separating the abdominal regions?
Mid-clavicular lines
What is the most superior horizontal line separating regions of the abdomen?
Subcostal lines
What is the inferior line separating the regions of the abdomen?
Transtubercular
What are the two main groups of plexi in our body?
- Somatic
2. Autonomic
What are the main ventral rami of the lumbar plexus?
L1-L4
Where is the lumbar plexus usually located in relation to the psoas major?
Behind psoas
What are the three muscles in close relation to the lumbar plexus?
- Psoas major
- Iliacus
- Quadratus lumborum
What is the nerve running immediately below rib 12?
Subcostal
What does the iliohypogastric n. supply?
lateral gluteal region and hypogastric region of stomach
What does the ilioinguinal n. supply?
Lateral gluteal region and anterior half of genitals
The iliohypogastric and the ilioinguinal nerves pass into the pelvic cavity (T/F).
FALSE
What branches of the lumbar plexus does the lateral cutaneous n. come from?
L2 and L3
What does the lateral cutaneous n. supply?
Lateral side of thigh
Where can you always find the lateral cutaneous n.
1 inch medial to ASIS
What nerve is very subject to mechanical strain?
lateral cutaneous
What causes the lateral cutaneous nerve to be vulnerable to mechanical stress?
Its path of travel under the inguinal ligament, which is a very small opening and is easily compressed.
What are 4 causes of meralgia paraethetica?
- Obesity
- Pregnancy
- Heavy belts
- Tight underwear
What branch of the genitofemoral n. is motor? What branch is sensory?
Genital branch = motor; femoral branch = sensory
What muscle does the genital branch of the genitofemoral n. go to?
cremaster
What is the largest branch of the lumbar plexus?
Femoral
What lumbar branches form the femoral n.
L2-L4
Is the femoral n. lateral or medial to the psoas major?
lateral (and slightly deep)
What is the only nerve that passes in front of the psoas?
genitofemoral
What nerve is always MEDIAL to psoas?
obturator
What forms the lumbosacral trunk?
L4 and L5
What area does the saphenous n. supply?
skin to medial border of leg and medial border of foot
What area does the obturator n. supply?
Medial thigh
What area does the superficial fibular n. supply?
dorsum of foot
What area does the deep fibular area supply ?
Web area of big toe
What area does the lateral rural n. supply?
lateral leg
What area does the superior clunial n. supply?
upper glut (posterior and middle)
What area does the medial clunial n. supply?
Medial glut (posterior)
What area does the posterior cutaneous n. supply?
Hamstring area
What area does the inferior clunial n. supply ?
Lower glut (posterior)
What three nerves supply the foot?
Calcaneal, lateral plantar, and medial plantar.
What does the lesser saphenous drain into?
popliteal vein
Wha does the great saphenous vein drain into?
Femoral
Where does the great saphenous vein begin?
medial side of dorsal venous arch
Where does the lesser saphenous vein begin?
Lateral side of dorsal venous arch
What does varicosus refer to?
Build up in BP in the deep veins and then the superficial, which will eventually rupture
What is the anterior compartment also known as?
extensor
What is the posterior compartment also known as?
flexor
What is the medial compartment also known as?
adductor
What is the anterior compartment innervated by?
femoral
What is the posterior compartment innervated by?
sciatic
What is the medial compartment innervated by?
obturator
What is the prime mover for extension of the knee?
vastus lateralis
What is the function of the articularis genus?
to pull up the loose part of the capsule
What is prime mover for flexion at the hip joint?
iliopsoas
