Apendicular Skeleton Flashcards

clavicle
connects clavicle to menubrium
sternal end= medial
acromial end= lateral

scapula
glenoid cavity
recieves head of humerus
1

greater tubercle
2

lesser tubercle
3

radial fossa
4

Head of humerus
5

Anatomical Neck
6

Surgical Neck
7

Deltoid tuberosity
8

Capitulum
9

Trochlea
10

medial epicondyle
11

coronoid fossa
12

lateral epicondyle
13

olecranon fossa
D

Radial tuberosity
E

styloid process of radius
F

trochlear notch
G

Coronoid process
I

Ulna
J

Radius
K

Ulnar notch
L

Styloid process of Ulna
M

Olecranon Process
humoroulnar joint

11= torchlea of humerus
9= trochlear notch of ulna
3 and 4

3= olecranon fossa of humerus
4= olecranon of ulna
2

radial tuberosity
3

lateral epicondyle
6

meidal epicondyle
pink

Palmar radiocarpal lig.
ensures the hand follows the wrist during supination
Green

Ulnar collateral lig.
goes from ulnar styloid process to triquetrum and pisiform
Yellow

Radial collateral lig.-
goes from radial styloid process to scaphoid and trapezium
3 and 4

3 = greater trochanter
4= lesser trochanter
8 and 9

8= lateral condyle
9= medial condyle

calcaneous

Talus

medial cuneiform

intermediate cuneiform

lateral cuneiform

lateral maleus

medial malleus

Navicular

cuboid
comminuted
bone fractured into many pieces

lover’s fracture
calcaneal

Pilon Fracture
distal end of tibia

Chauffeur’s fracture-
fracture of the radial styloid process caused by thecompression of the scaphoid (proximal carpal bone) against the styloid processof the distal radius.

Colle’s fracture- fracture
of the distal radius

torus fracture
synarthrosis
immovable
sutures of the skull
bones of the pelvis
Amphiarthrosis
slightly movable
joints btwn two vertebrae
Diarthrosis
freely movable
shoulder
fibrous joints
Dense connective tissue
3 types:
sutures
Gomphoses
syndesmoses: interosseous membrane btwn radius and ulna and tibia and fibula
cartilagenous joints
hyaline or fibrocartilage
two types:
synchondrosis: hyaline cartilage (epiphyseal)
symphysis: fibrocartilage (pubic symphysis, vertebral)
synovial joints
freely movable
synovial membrane
Glenohumoral
ball and socket
proximal radioulnar
pivot
humero-ulnar(elbow)
hinge
Radiocarpal
condylar/ellipsoid
intercarpal
plane or gliding
metacarpophalangeal
condylar or ellipsoid
interphalangeal
hinge
carpometacarpal
plane/gliding
trapezium and first metacarpal
saddle
acetabulofemoral(hip)
ball and socket
knee
hinge
talocrural
hinge
dorsi/plantar flexion
joints between tarsal bones
synovial (gliding)
subtalar
talocalcanavicular (TCN)
calcaneocuboid
metatarsophalangeal
condyloid
interphalangeal
hinge
sternoclavicular joint
saddle
cartilage of the first rib
involves 3 ligaments:
sternoclavicular
interclavicular
costoclavicular
Acromioclavicular (AC) joint
gliding
ligaments:
acromioclavicular
coracoacromial
coracoclavicular
The articulation of the first sternocostal joint
synchondrosis
the sternocostal joints
synovial (plane)
costovertebral and costotransverse
synovial (gliding)
1
keeps the head of the radius from slipping out of the joint with the ulna and the capitulum of the humerus

annular ligament
2

joint capsule

1 patela
2 quadriceps femorus tendon
3 patellar ligament

anterior cruciate ligament (ACL)
prevents femur from moving back on tibia

posterior cruciate ligament (PCL)
prevents femur from moving forward on tibia
unhappy triad
- Anterior cruciate
- Medial collateral ligament
- Meniscus

calcaneo-navicular ligament (spring ligament)
part of TCN joint


deltoid ligament
medial side of ankle joint
stabalizes talocrural
superficial fascia
indicidualized and subcutaneous
storage (pregnancy)
carious levels of adipose
Deep fascia
compartmentalization
aponeurosis
a flat connective tissue
deep fascia of the arm
brachial fascia
deep fascia of the forearm
antibrachial fascia
deep fascia of the thigh
fascia lata
deep fascia of the leg
crural fascia

orbicularis oris
purses the lips
CN VII

Procerus
wrinkles over the nose
CN VII

Corrugator supercilii
vertical wrinkles
CN VII

Orbicularis oculi
closes the eyelid
CN VII

Zygomaticus major and minor
smile
CN VII

Risorius
helps with smiling
CN VII

Mentalis
protrudes lower lip
CN VII

Depressor labii inferioris
depresses and draws the corner of the mouth laterally
CN VII

Depressor anguli oris
depresses and draws corner of mouth laterally
CN VII

Levator anguli oris
raises corner of mout
CN VII

Buccinator
whistiling, smiling, suckling
CN VII

levator labii superioris
elevates and everts the upper lip
CN VII

occipitofrontalis
CN VII

platysma

levator palperbrae superioris
elevates upper eyelid
CN III
extra ocular muscles
SO4LR6AO3
SO= superior oblique
LR- lateral rectus
AO= all others
1

Lateral rectus
rotates the eye laterally
CN VI
2

medial rectus
rotates the eye medially
CN III

superior rectus
rotates the eye upward
CN III

inferior rectus
rotates the eye downward
CN III

superior oblique
depresses the eye and turns it laterally
CN IV
inferior oblique
elevates the eye and turns it laterally
CN III

Masseter
elevates mandible and closes jan
CN V

Temporalis
elevates mandible and closes jaw
CN V

Lateral Pterygoid
Origin: lateral pterygoid plate
Insertion: condyle of mandible and TMJ
opens the jaw and move side to side
CN V
medial pterygoid
Origin: BOTH pterygoid plates
Insertion: angle of mandible
clsoe the jaw and move it from side to side
CN V

stylomandibular ligament
limits excessive opening and forward movement of mandible
genioglossus
origin: genu of mandible
insertion: tongue
CN XII
hypoglossus
origin: hyoid bone
insertion: tongue
CN XII
palatoglossus
origin: palate
insertion: tongue
CN X
styloglossus
origin: styloid process
insertion: tongue
CN XII

styloglossus
origin: styloid process of temporal bone
insertion: tongue
retracts tongue
N XII

stylopharyngeus
origin: styloid process of temporal bone
insertion: thyroid cartilage
N IX