Lecture 26 (10-7-14) Flashcards
What are the bones of the lower limb?
- pelvic girdle
- femur
- petella
- tibia
- fibula
- 7 tarsals
- 5 metacaples
- 14 carples
What kind of bone is petella?
sigmoid
What are the dermatomes?
kness 4-5 s1 posterior ankle and foot s2 most of posterior thighs gluteal region s3-s4
What are the cutaneous nerves and where are their associated innervations?
What is fascia lata?
Deep fascia of thigh
- in the thigh
- saphenous ring
What is crural fascia?
Deep fascia in the leg
What is the it band?
thickening of fascia lata
Where do all the arteries for the lower limb come from? continuation from what are its branchs
- Femoral artery
- external iliac
- deep femoral artery
- medial and lateral deep circumflex femoral
What does the femoral artery become and where does it exit?
FINISH! ~poplieteal a –> adductora hiatus–> anterior tibial (
What are the superfical and deep veins of lower limb?
Superficial
- Dorsal venous arch
- Small saphenous v (to popliteal)
- Great saphenous v (to femoral v)
Deep accompany major arteries
- Anterior tibial (to popliteal)
- Posterior Tibial (to popliteal
- Popliteal (to femoral)
- Femoral (to external iliac)
What are some arteries used for cabag
- radial
- maxillary
- great saphenous
Lymphatics of the leg
have superficial and deep the deep drains into the superficial . they go with veins. and works its way back to the —
fascial compartments of the thigh
- anterior compartment
- posterior compartment
- intermuscular septea
- medial compartment
Surface features of the anterior and medial thight
~quadrocetps ~sartorius ~femoral triangle ~petella
What are the parts of the thigh bone?
- head
- neck
- greater trochaner:
- inf./sup. gemellus
- obturator internus
- piriformis
- vastus lateralis (only origin)
- gludeus medis
- interochanteric line–> (o) vastus medualis
- intertrochnteric crest–> (i) quadratus femoris
- lesser trochanter*** illipsopsas (ins)
- trocanteric fossa ** obturator externus
- shaft
- lateral epicondyle
- adductor tubericle******adductor magnus (hamstring part)
- medial epicondyle
- posterior fovea capitis
- pectineal line–> ins. pectines
- gluteal tuberosity (i) glut. max
- linea aspera (lat and medial lips) o: vastus medialsi
- short head biceps femorsi (i)
- vastes lateralis (o)
- intercondylar fossa
- lateral condyle
- gastrocnemus
- PCL
- med condyle-ACL
- gastrocnemus
- lateral supracondylar line–> plantaris
how many muscles are on the lesster trochantar
ONE!!! ********* ILLIOPSOSAS!
where is Gurneys tuberical?
Lateral condyle to the tibia where it band attaches
What is in the anterior thigh muscles
**FLEXORS OF HIP **all innervated by femoral nerve
- sartorius
- Illiopsoas
- Pectineus
EXTENDORS of knee
- Quadriceps femoris
- rectus femoris
- vastus lateralis
- vastus medialis
- vastus intermedius
Sartorius
- ASIS–> Medial tibia
- Femoral n.
- flexes the knee
- weakly abducts lateral rotates hit at thigh
Iliopsoas
- T12 v–> L4 v and illiac fossa–> lesser trochangter
- L2-L4 + femoral nerve
- STRONG hip flexor and stabilize hip
Pectineus
- Superior pubis ramus (pectineal line)–> pectate line of trochanter
- Femoral nerve
- Actions
- flexes hip;
- adducts the thigh
- weak medial roator thight
medial floor of femoral
Rectus femoris
- ASIS–> quadriceps tendion only one attaches to pelvis
- femoral nerve
- actions
- extend the knee
- weakly flexes hip** only quadricep muscle that does this!
Anterior thigh muscle
Quadricpe femoris muscle
Vastus medialis
- Intertrochanteric line; meidal lip of linea aspera
- Nerve to vastus medialis
- extend the knee
Quadricpe femoris muscle
Vastus lateralis
- greater trochanter; lateral lip of linea aspera–> petallar ligament (tendon)
- femoral
- extend knee
Quadricpe femoris muscle
Vastus intermedius
- anteral and lateral shaft of tuberosity
- Femoral Nerve
- knee extensor
Quadricpe femoris muscle
What is the innervation of hte anterior thigh?
femoral L2,3,4
femoral nerve L2-4 ~cutantous femoral branch of genitofemoral branch l1-2 lateral femoral cutaneous L2-3 anterior femoral chutaneous (f/ femoral) saphenous (f/ femoral)
What are the boundries of the femoral triangle?
- roof: fascia lata
- base:inguinal lig
- Med: add longus
- Lat: sartourisu
- Floor: iliopsas and pectineus
CONTENTS femoral nerve, artery, vein deep inguinal lymph nodes and associated lymphatic vessels
What are the conents of the femoral triangle?
- Femoral nerve, artery and vein
- deep inguinal lymph nodes
- associated lymphatic vessels
roof: fascia lata
base: inguinal lig
Med: add longus
Lat: sartourisu
Floor: iliopsas and pectineus
Femoral sheath?
Whats anterior?
Whats posterior?
What are the compartments and what do they contain?
- ant: transversalis fascial
- Post: iliopsosas
- Compartments:“Navel” medial to lateral Lateral compartment: femoral a Intermediate:
- Nerves (vastus meadials and saphinus
- Artery (femoral a.)
- Vein (femoral v.)
- Empty (femoral canal)
- Lymphatics
FEMORAL NERVE IS BEHIND NOT INCLUDED!!
- Where is the femoral canal?
- What does it do?
- What is its superior margin?
- What is its continents?
- Most medial part of the femoral sheath
- allows the femoral vein to expand
- get bigger increae venous return, or during temporary stasis as with valsva maneuver
- femoral ring
- contents
- deep inguinal lymph nodes
- associated lymphatic vessels
- LCT and fat
- What are femoral hernias found?
- how big are they normally
- what can enter
- More common in___ ?
- What is the bad thing?
- in the femoral ring because it is a weak area in the anterior abdominal wall
- tip of a small finger
- abdominal viscera
- women
- Child bearing
- The adductor canal is continuous with what?
- where is it located?
- What does it contain?
- What does it break up?
- What is another name for it?
- femoral triangle
- located
- deep to satrorius m
- anterior to add. longs and magnus
- top: apex of femoral triangle
- bottom: addutor hiatus
- CONTENTS:
- femoral a and vein
- saphenous n
- n to vastus medialis
- adductor an dhamstring part of adductor magus
- Subsartorial canal
Gracilis
- inferiorpubic ramus–> medial tibia
- anterior division of obturator n
- adduct the thigh
- helps in knee flexion (only one)
*medial thigh muscle*
Adductor longus
- body of pubis–> linea aspera (?? not sure)
- anterior division of obturator n
- adduct thigh
Adductor Brevis
- Body and inferior pubic ramus–> linea asspera (?not sure)
- anterior division of obturator n
- adduct thigh
Adductor Magnus
What breaks up the who parts?
HAS TWO PARTS!!!
Adductor part
- inferior pubic ramus–> gluteal tuberosity, linea aspera, medial supracondylar ridge
- posterior division of obturator nerve
- adducts the thigh and helps flex hip
Hamstring part:
- ischial tuberosity–> gluteal tuberostity, linea aspera, medial supracondylar ridge
- tibial part of sciatic n (L4-S3)
- extend the hip
Adductor canal breaks it up
Obturator Externus
- obturator foramen and membrane–> trochanteric fossa
- posterior division of obturator n
- lateraly roate the thigh
What is the innervation of the medial thigh?
Obturator l2,l3,l4
Posterior division
- adductor part of adductor magnun
- obtuator externus
anterior division
- gracilis
- adductor longus
- adductor brevis
Cutaneous innervation: br of obturatior nerve
Arteries of the thigh
-
Anterior Compartment: Femoral Artery:
- __lateral circumflex femoral a
- ascending,
- transverse, (supply hip)
- descending brch. (supply knee)
- medial circumfles femoral a
- __lateral circumflex femoral a
Medial compartment:
- Profunda femoris a
- Obturator a: Acetabular br.
Posterior Compartment: Peforating aa from deep femoral (not in the picture)
What are the veins of the thigh?
Superficial: Great saphenous v, (not in picture)
Deep:
- peforating veins (not in picture)
- deep femoral v
- femoral v
- external iliac v.
What happens in the adductor hiatus?
the femoral vessels –> popliteal vesslesl
