Lower extremity osteology, blood/nerve supply of upper/lower extremity Flashcards
What is the region above the pelvic brim called?
Pelvis major or false pelvis
What is the region below the pelvic brim called?
Pelvis minor or true pelvis
What are the 2 muscles that make up the pelvic diaphragm?
Levator ani (majority) Coccygeus
What is the difference between genders in circumference of the pelvic bowl?
Wider in females, smaller in males
What are two possible complications of a fractured femur?
Damage to the sciatic nerve
Send fatty embolus to lung
Where is the triradiate cartilage located?
In the acetabulum (ilium, ischium, pubis)
The linea aspera is made up of two lips (lateral and medial) what are each lip a continuation of?
Lateral lip: continuation of gluteal tuberosity
Medial lip: continuation of intertrochanteric line
What attaches at the lesser trochanter?
Psoas major
What attaches at the greater trochanter?
Gluteus muscles
Where is the intertrochanteric line located?
Between the greater and lesser trochanters
What is the fovea capitis?
Small indentation at head of the femur
Where is the intertrochanteric crest located?
Posterior surface of femur
Where does the obturator internus and externus insert?
Internus: posterior aspect of greater trochanter
Externus: Intertrochanteric fossa
What is the ligamentum teres femoris?
The femoral capital ligament
What artery runs through the ligamentum teres?
Articular branch of the posterior branch of obturator artery.
What happens when the articular branch of the posterior branch of the obturator artery is damaged?
Legge Calve perthes or AVN of hip in adult
What are the other 4 hip ligaments and what do they do?
Iliofemoral (Y-ligament of Bigelow) ligament: Prevents hyperextensin
Pubofemoral (pubocapsular) ligament: limits hyperabduction
Ischiofemoral ligament: limits hyperextension, not as much as iliofemoral
Transverse acetabular ligament: Makes acetabulum deeper together with acetabular labrum
What are the 4 ligaments of the knee you need to know?
Cruciates (intracapsular and extrasynovial)
Oblique popliteal ligament: Strengthens knee posteriorly. An extension of semimebranosus
Coronary ligament: attach convex margins of menisci to condyles of tibia
Transverse ligament: Joints anterior edges of the two menisci
Does the lateral meniscus attach to the fibular collateral ligament?
NO
What 4 boney landmarks of the tibia must you know?
Soleal line on posterior tibia
Intercondylar eminence
Medial malleolus
Medial & lateral condyles
What 3 things about the fibula must you know?
Not part of the knee joint
Forms lateral malleolus
Articulates with lateral condyle of tibia
What is another name for the talocrural joint?
Ankle mortise
What is the classification of the talocrural (ankle mortise) joint?
Hinge/ginglymus joint
Uniaxial, flexion/entension
What does the subtalar joint allow?
Inversion/eversion of calcaneus