Medical anatomy Lecture 3

lateral epicondyle of femur

Name the structure.

adductor tubercle

Name this specific part of the femur.

medial epicondyle of femur

Name the structure.

medial condyle of femur

Name the structure.

lateral condyle of femur

Name the structure.

patellar surface

Name the structure.

linea aspera

Name this specific part of the femur.

medial supracondylar line

Name the structure.

lateral supracondyler line

name this structure

intercondyler fossa

name this feature

tibial tuberosity

name the structure

soleal line

Name this structure

patella

Name this sesamoid bone

medial malleolus

name this structure

lateral maleolus

name this structure

Talus

Name this specific bone of the foot.

Calcaneus

Name this specific bone of the foot.

cuboid

Name this specific bone of the foot.

medial cuniform

Name this bone.

intermediate cuniform

Name this bone.

lateral cuniform

Name this bone.

navicular

Name this bone.

talocalcaneal joint

name this joint

talonavicular joint

name this joint

talocrural joint

name this joint

Lateral malleolar facet

What structure is this?

superior facet of trochlea

name the structure

medial malleolar facet

name this structure

Name the two ankle joints

subtalar joint

talocrural join

subtalar joint

name the joint that inverts and everts the foot

Transverse tarsal joint

talonavicular and calcaneocuboid

- inversion and eversion

phalanges

bones of the fingers and toes

metatarsals

Name these bones

tarsals

Name the bones.

distal interphalangeal joint (DIP)

name this joint

proximal interphalangeal joint (PIP)

name this joint

metatarsophalangeal joint (MTP)

name this joint

intermetatarsal joint

name this joint

lateral femoral cutaneous nerve (L2, L3)

innervates skin of lateral thigh

Anterior cutaneous branches of femoral nerve (L2, L3, L4)

innervates skin of anterior thigh

Cutaneous branches of the obturator nerve

(L2, L3, L4)

innervate the skin of the medial thigh

10

Meralgia Paresthetica

-compression of the lateral femoral cutaneous nerve

-pain & tingling sensation but no motor loss

-cause: obesity, postural changes, tight clothing, pregnancy

Saphenous opening

a gap in the fascia lata where the great saphenous v meets femoral v

psoas major

Name this muscle

- hip flexion

Iliacus

Name this muscle

- hip flexion

iliopsoas

where the psoas major and iliacus insert upon the lesser trochanter

what innervates the psoas major and iliacus

femoral nerve

Sartorius

Name this muscle

Rectus femoris

Name this muscle

vastus lateralis

Name the muscle

vastus intermedius

Name the muscle

vastus medialis

Name this muscle

Articularis genu

Name the muscle

Pectineus

Name this muscle

Common actions of the anterior thigh

flexion at the hip and extension at the knee

what innervates the anterior thigh muscles

femoral nerve

what innervates the pectineus

femoral nerve and obturator nerve

femoral triangle borders

inguinal ligament, sartorius, adductor longus

Femoral triangle contents (NAVL)

femoral nerve, femoral artery, femoral vein, lymphatics

femoral triangle floor

pectineus and iliopsoas

NAVL

Femoral Nerve, Femoral Artery, Femoral Vein, Lymphatics

Muscles of the medial thigh

Gracilis, adductor longus, adductor brevis, adductor magnus

Function of the medial thigh

adducts at the hip

flex at the knee

Gracilis

Name this muscle

- adducts hip

- flexes knee

Pes anserinus

Sartorius: anterior, femoral nerve, extension at the knee, hip flexion

Gracilis: medial, obturator nerve, adduction

Semitendinosis: posterior, tibial nerve, extension

adductor longus

Name this muscle

adductor magnus

Name the muscle

pubofemoral portion of adductor magnus

What muscle subdivision is wide and is innervated by the posterior division of the obturator nerve

ischiocondyler portion of adductor magnus

What muscle subdivision is innervated by the tibial portion of the sciatic nerve

Common actions at the medial thigh

Adduction and innervation by the obturator nerve

adductor canal

passageway for the femoral artery and vein, nerve to vastus medialis, and saphenous nerve to pass from the anterior to posterior thigh.

what does the femoral vein and artery turn into when they exit the adductor canal at the popliteal fossa?

Popliteal artery and vein

adductor canal boundaries

Superiorly: apex of femoral triangle

Inferioirly: adductor hiatus

Anterior: sartorius

Posterior and medial: adductor longus and magnus

Lateral: Vastus medialis muscle

Adductor canal contents

femoral artery and vein, saphenous nerve, nerve to vastus medialis

- only A and V run the entire length

Adductor hiatus

gap between adductor magnus muscle

What runs through the adductor hiatus

femoral a and v

What do the femoral a and v turn into after passing the adductor hiatus

popliteal artery and vein

dorsal column

a white matter tract on the dorsal side of the spinal cord, carrying touch and proprioceptive axons to the brain stem

ventral column

the ventral section of the spinal cord carrying info to muscles for motor function

Lumbar plexus

T12 and L1-L4 ventral rami

Major peripheral nerves of the lower extremity

Lateral femoral cutaneous (L2-L3)

Femoral Nerve (L2-L4)

Oburator Nerve (L2-L4)

muscular branches of femoral nerve

Iliacus, pectineus, sartorius, quadriceps femoris

Nerve to vastus medialis

Femoral nerve (L2, L3, L4)

saphenous nerve

Branch of the femoral nerve that supplies innervation to the medial leg

infrapatellar branch

the saphenous (a branch of the femoral nerve) nerve gives off a nerve branch called the ________________, which supplies general sensation to the area immediately inferior to the patella

Obturator nerve

L2-L4 passes through obturator groove and runs deep to the pectineus

- has an anterior branch and posterior branch

common iliac artery

Terminal branches of the abdominal aorta, supplies pelvic organs

internal iliac artery

Name this artery.

external iliac artery

Name this artery.

What are the branches of the internal iliac artery

superior gluteal artery

inferior gluteal artery

internal pudendal artery

what does the external iliac artery turn into once it passes the inguinal ligament

femoral artery

What does the femoral artery branch into

deep femoral artery

What comes off the deep femoral artery

medial circumflex artery and lateral circumflex artery

Three branches of the lateral circumflex artery

Ascending branch

Descending branch

Transverse branch

What does the popliteal artery split into

anterior and posterior tibial arteries

what artery comes off the posterior tibial artery

fibular artery

Posterior compartment of the leg (innervation and action)

Tibial nerve and plantarflexion

Lateral compartment of the leg (innervation and action)

Superficial fibular nerve and plantarflexion/eversion

Anterior compartment of the leg (innervation and action)

Deep fibular and dorsiflexion

Tibialis anterior

name this muscle