| (T12) L1-L4
muscles/skin of pelvic girdle
abdominal muscles
muscles/skin of free lower limb | What is lumbar plexus made of and what is it innervating? |
| psoas major m. | What muscle is lumbar plexus related to? |
| iliacus (femoral n.)
psoas major
psoas minor
quadratus lumborum | What are the short branches of lumbar supplying? |
| iliohypogastric n.
genitofemoral n.
ilioinguinal n. | What branches of lumbar plexus supply abdominal muscles and skin over pelvic girdle? |
| genitofemoral n. | What nerve pierces psoas major m.? |
| iliohypogastric
ilioinguinal | What nerves emerge lateral to psoas major m.? |
| cremaster m. | What is motor branch of genitofemoral n. supplying? |
| internal oblique m.
transverse abdominis m. | What is motor branch of iliohypogastric n. supplying? |
| internal oblique
transverse abdominis | What is motor branch of ilioinguinal n. supplying? |
| skin above inguinal lig.
skin of perineum
skin of external genitals | Skin of what area is ilioinguinal and iliohypogastric nn. supplying? |
| lateral femoral cutaneous n. (lateral to psoas major)
femoral n. (lateral to psoas major)
obturator n. (medial to psoas major) | What branches of lumbar plexus supply lower limb? |
| through inguinal lig.
anterolateral skin of thigh | How is the lateral cutaneous n. entering the thigh an what dose it supply? |
| behing inguinal lig.
lateral to femoral a.
enters femoral triangle | How is the femoral n. entering thigh? |
| iliacus
pectineus
quadriceps femoris
sartorius | What is the motor branches of femoral n. supplying? |
| saphenous n.
-medial hip joint
-medial thigh
-medial knee joint
-medial calf
-medial heel | What is the purely sensory branch of femoral n. and what dose it supply? |
| anterior and lateral thigh | The anterior femoral cutaneous branch supplies what? |
| tap on tendon
receptor in muscles gets the sygnal
sensory neuron transmits sygnal to spinal cord
synaps in spinal cord
somatic motor neuron to quadriceps and interneuron inhibiting somatic motor neuron
hamstring muscle relaxed and quadriceps contracts | Describe patellar reflex |
| obturator canal | How is the obturator nerve entering thigh? |
| skin of medial thigh
obturator externus
adductor longus, magnus, brevis
gracilis
pectineus | What is obturator n. innervating? |
| ventral rami L4-S5, Co1
gluteal region
perineum
thigh | What is the sacral plexus composed of and what dose it innervate? |
| ventral rami of L4-5 spinal nn.
ends at superior border of piriformis | What ventral rami form lumbosacral trunk? |
| superior gluteal n.
inferior gluteal n.
spinal n. S1-2 to piriformis
nerves to obturator internus
superior gemellus
inferior gemellus
quadratus femoris | What are the short branches of sacral plexus? |
| pelvic diaphragm
perineum
external genitals
skin of those areas | What is pudendal n. supplying? |
| sacrospinous lig. | On what ligament can we find pudendal n? |
| skin of buttocks (gives a branch, inferior cluneal n.)
skin of posterior thigh | Posterior femoral cutaneous n. innervate what? |
| greater sciatic foramen
under piriformis m.
passes between ischil tuberosity and greater trochanter | Describe topography of proximal sciatic n. |
| L4-S3
common fibular n. (pos.div)
tibial n. (ant.div) | What spinal nerves make sciatic n. and what nerves dose it divide to? |
| descends superficially through popliteal fossa
enters posterior compartment of leg
terminates as medial and lateral plantar nn. | Describe topography of tibial n. |
| gives of medial sural cutaneous nerve that become one nerve with lateral sural cutaneous n., sural n.
supply posterior leg, sole of foot | Describe sensory division of tibial n. |
| superolateral in popliteal fossa
related to neck of fibula
gives of lateral sural cutaneous n.
divides into deep and superficial fibular (peroneal) n. | Describe topography of common fibular (peroneal) n. |
| enters anterior leg compartment
terminates as cutaneous branch
enters lateral leg compartment | Descrine topography of deep and superficial fibular (peroneal) nn. |
| deep: muscles of anterior compartment of leg
superficial: muscles of lateral compartment of leg | What is deep and superficial nn. supplying? |
