PAS 407 - (Exam 2) Anteromedial Thigh

quadriceps femoris mm.

sartorius m.

iliopsoas m.

pectineus m.

which muscles make up the anterior compartment of the leg?

femoral n.

femoral/profunda femora a.

neurovascular supply of the muscles of the anterior compartment of the leg

anterior inferior iliac spine

origin of the highlighted structure

tibial tuberosity via patellar ligament

insertion of the highlighted structure

hip flexion, knee extension

action of the highlighted structure

tibial tuberosity via patellar ligament by way of the quadriceps tendon

insertion of the vastus mm.

anterior surface of femur

deep to rectus femoris m.

origin of the highlighted structure

counter the lateral pull of the quadriceps femoris m. of the patella

what may the role of the vastus medialis obliquus be?

vastus lateralis (lateral lip)

vastus medialis (medial lip)

which mm. originate off the linea aspera

gluteal tuberosity

lateral lip of linea aspera

origin of the highlighted structure

knee extension

action of vastus mm.

Sartorius m.

longest continuous muscle in the body

anterior superior iliac spine

origin of the highlighted structure

hip flexion

hip abduction

hip lateral rotation

knee flexion

action of the highlighted structure

sartorius m.

gracilis m.

semitendinosus m.

which muscles make up the pes anserine tendon group?

psoas major and minor mm. (lumbar vertebrae)

iliacus m. (anterior surface of ilium)

Which muscles is the highlighted structure made up of?

What are their origins?

common tendon to lesser trochanter

insertion of the highlighted structure

principle hip flexor

action of the highlighted structure

superior pubic ramus

origin of the highlighted structure

pectineal line of femur distal to lesser trochanter

insertion of the highlighted structure

hip flexion

adduction

medial rotation

action of the highlighted structure

femoral n.

obturator n.

innervation of the highlighted structure

obturator externus m.

adductor longus m.

adductor brevis m

adductor magnus m.

gracilis m.

which muscles make up the medial compartment of the leg?

obturator n.

profunda femora a.

neurovascular supply of the muscles of the medial compartment of the leg

hip adduction

action of the mm. of the medial compartment of the leg

obturator membrane

origin of the highlighted structure

trochanteric fossa medial to greater trochanter

insertion of the highlighted structure

lateral rotation

hip stabilization

actions of the highlighted structure

adductor longus m. (close to pubic symphysis)

adductor brevis m. (inferior to adductor longus m.)

gracilis m. (inferior to adductor brevis m.)

Which mm. originate off the pubic bone? Where?

adductor longus m. (middle third)

adductor brevis (proximal portion)

adductor portion of adductor magnus m. (full length)

Which muscles insert at the linea aspera?

Which part?

hip adduction

obturator n.

profunda femora a.

action and innervation of the adductor portion of the highlighted structure

hip adduction

branches of sciatic n.

profunda femoris a.

action and neurovascular supply of the hamstring portion of the highlighted structure

inferior rami of ischium/pubic bones anterior to hamstring origin

origin of the highlighted structure

adductor tubercle of femur

insertion of the hamstring portion of the highlighted structure

Arch between adductor and hamstring parts of adductor magnus m. at attachment to femur

Allows passage of vessels between anterior and posterior compartments of leg

Where is the adductor hiatus?

What does it do?

adduction of hip

assists with knee flexion

action of the highlighted structure

knee stability and postural support especially when raising contralateral leg

function of iliotibial tract

superior - ingluinal canal

medial - adductor longus m.

lateral - sartorius m.

apex - where sartorius crosses adductor longus m.

floor - pectineus m., iliopsoas m.

covered by - fascia lata, cruciform fascia over saphenous opening

what makes up the borders of the femoral triangle?

transit of neurovascular structures to and from lower limb embedded in femoral sheath

permits gliding of vascular structures during hip flexion/extension

significance of femoral triangle

(NAVEL)

anterolateral - vastus medialis

posterior - adductor longus m., adductor magnus m.

covered by - sartorius m.

borders of adductor (subsartorial) canal

allows passage of femoral vessels to adductor hiatus, saphenous nerve, motor branch to VMO

significance of adductor (subsartorial) canal

obturator a. and n.

which structures pass through the obturator canal?

femoral triangle

the external iliac a. becomes the femoral a. once it passes which structure?

superficial epigastric a.

superficial circumflex inguinal a.

what branches first come off of the femoral a.?

between the anterior and medial compartments of the leg

where does the profunda femora a. reside?

lateral and medial femoral circumflex aa.

Intertrochanteric mass of bone and proximal femoral head

Which arteries come off of the profunda femora a.?

What structures do they supply?

3-4 perforating branches (posterior compartment)

Which arteries come off of the profunda femora a. distally?

What area does it supply?

ascending branch (region surrounding hip)

transverse branch (proximal head of femur)

descending branch (lateral part of anterior compartment)

which arteries come off of the lateral femoral circumflex a.?

Which structures does it supply?