Anterior Thigh
Identify and name all actions of the sartorius muscle
Flex, abducts, laterally rotates thigh
flexes leg
Action of the obturator externus
laterally rotates the thigh
What is the innervation to the inferior gemellus?
Nerve to quadratus femoris
attachments of the tibialis anterior
Lateral condyle of tibia
medial cunefiform and base of 1st metatarsal
point to linea aspera
posterior side, mid shaft of femur
Identify the Pectineus,
What is its proximal and distal attachments
Pubis (prox)
Pectineal Line of femur (distal)
Identify the adductor canal. Name the contents of the adductor canal
Femoral a. and v.
Nerve to the vastus medialis
saphenuus n.
Attachments proximal and distal of quadratus femoris
ischial tuberosity
intertrochanteric crest
Actions of the gastrocnemius
flexes leg
Point to medial tibial plateau
superior medial surface of tibia
femoral ring
The adductor hiatus is an opening in which muscle?
adductor magnus
The inferior gluteal neurovascular bundle is severed in surgery, What happens to the gluteus maximus?
Will lose innervation (only innervated by inferior gluteal n.)
blood supply still supplied by superior gluteal a.
A bike rider suffers a laceration to the R lateral surface of leg and is no longer able to evert his foot. Point to which nerve is injured
RIGHT superficial fibular nerve
point to navicular bone
medial side of foot (be able to recognize from superior and inferior view)
Identify and name the muscle that separates the femoral a. and profunda femoris a.
What are its actions?
Adductor longus
adducts thigh
name all the actions (3) of the gracilis muscle
adducts thigh
flexes and medially rotates leg
High yield- a young medical student gives an IM injection in the Superior medial quadrant of the gluteal region.
What is damaged and what clinical condition may result- why?
Superior gluteal n.
loss of innervation to gluteus medius and minimus- primary abductors of hip
Trendelenburg gait.
What structures can the dorsalis pedis pulse be felt between?
between the tendons of the extensor hallucis longus muscle and the extensor digitorum longus
Show me where a heberden node would be seen.
What disease is this?
Distal interphalangeal joint
Osteoarthritis
Name the reflex that tests the femoral n.
What spinal levels is the femoral n originate?
Patellar reflex
L2,3,4
The obturator nerve is mysteriously severed, what muscle will still allow you to adduct thigh (plus its innervation)
adductor magnus- hamstring part
tibial division of the sciatic nerve
A taxi driver has tingling/numbness in the R gluteal region that occasionally sends sharp pains down the back of the leg
What is the most likely cause of the symptoms? What muscle is irritated?
Inflammation of piriformis muscle- compressing sciatic n.
The popliteal artery bifurcates into what two arteries at the inferior border of (blank)
inferior border of popliteus muscle
bifurcates into anterior tibial and posterior tibial artery
sustentaculum tali
inferior, medial side of calcaneus bone