T2 - Extremities Unit 1 Flashcards
flexion and extention occur in the ____ plane
midsagittal
internal rotation and external rotation occur in the ____ plane
transverse
abduction and adduction occur in the ___ plane
frontal
major artery of the upper extremity
subclavian
major vein of the upper extremity
subclavian
____ joint is a “pseudo-joint” of the shoulder complex
thoracoscapular
subclavian on the left is off of the ___ ___ ___
arch of aorta
composite muscles have more than 1 ____
innervation
___ is the only true connection to the axial skeleton for the upper extremities
clavicle
clavicle is a ___ bone
long
clavicle has a ___ capsule on both ends
synovial
clavicle is separated into a lateral __/__ and medial __/__
1/3
2/3
clavicle medially articulates with ___ of the sternum and laterally articulates with the ___ process of the scapula
manubrium
acromion
clavicle is more ____ in shape medially and more ___ laterally
pyramidal
flat
cervical rib
rib off C7
elongation of the TPs that make it look like another rib
more prevalent in males
2 muscles attach to the superior lateral aspect of the clavicle
trapezius
deltoid
2 muscles that attach to the superior medial aspect of the clavicle
SCM
pectoralis major
1 muscle that attach to the inferior lateral aspect of the clavicle
deltoid
conoid tubercle of the ____ ____ aspect of the clavicle
inferior lateral
trapezoid ridge on the ___ ___ aspect of the clavicle
inferior lateral
costal tuberosity on the ___ ___ aspect of the clavicle
inferior medial
subclavian groove on the ___ ___ aspect of the clavicle
inferior medial
4 features of clavicles in females
shorter
thinner
less curved
smoother
4 features of clavicles in manual laborers
more broad
thick
curved
rough
___ is one of the most frequently fractured bones
clavicle
clavicle is most likely fractured between the medial __/__ and lateral __/__
2/3
1/3
__ secondary ossification centers of the clavicle
1
during the ___ or ___ week of embryonic development the clavicle starts to develop
5th/6th
clavicle is the last to complete ossification and it starts around ___ and completes around ___
18
25
scapula is a ___ __ bone that forms the ___ portion of the shoulder girdle
flat triangular
posterior
3 borders of the scapula
lateral/axillary
medial/vertebral
superior
two appendages of the scapula
coracoid process
acromion process
lateral border provides attachment for 2 muscles
teres min
teres maj
medial border provides attachment for 3 muscles
rhomboids maj
rhomboids min
levator scap
superior angle also called the ___ angle
medial
lateral angles also known as the ___ ___
glenoid fossa
root of the spine of the scapula is at the level of ___ prone
T3
root of the spine of the scapula is at the level of ___ anatomically
T4
inferior angle of the scapula is at the level of ___ prone
T6
inferior angle of the scapula is at the level of ___ anatomically
T7
lateral border is also called the ___ border
axillary
medial border is also called the ___ border
vertebral
thoracic surface of the scapula provides attachment for the ___ muscle
subscapularis
posterior surfaces is separated into 2 portions by the ___ of the scapula
spine
above the spine of the scapula the ___ muscle has attachment
supraspinatus
2 muscles attach to the acromion process
deltoid
trapezius
acromion process has a synovial articulation with the ____
clavicle
coracoid has a ligamentous attachment with the ___
clavicle
__+ primary ossification centers of the scapula
7
scapula fully ossifies by the age of __
25
a fracture of the scapula will likely be a result of ___ trauma or a misdiagnosed ___-___ of the growth centers
severe
non-union
most common fractures of the scapula is at the ___ process
acromion
humerus is the ___ bone of the arm
long
humerus articulates with the ___ ___ of the scapula, ___ ___ of the ulna, and the ___ of the radius
glenoid fossa
trochlear notch
head
____ of the ulna articulates with the head of the radius
radial notch on the ulna
____ is the articulation on the humerus with the ulna
trochlea
head of the ulna is ___
distal
head of the radius is ___
proximal
greater tubercle is ___
posterior
lesser tubercle is ___
anterior
3 muscle attachments on the greater tubercle
supraspinatus
infraspinatus
teres minor
1 muscle attaches to the lesser tubercle
subscapularis
4 muscles involved in the rotator cuff
S - supraspinatus
I - infraspinatus
T - teres minor
S - subscapularis
pectoralis major has attachment on the __ lip of the intertubercular groove
lateral
latissimus dorsi has attachment on the ___ ___
intertubercular groove
teres major has attachment on the __ lip of the intertubercular groove
medial
deltoid tuberosity is on the __ of the humerus
shaft
radial groove is also known as ___ groove
spiral
radial groove is for the ___ nerve
radial
radial groove also contains the ___ artery
profunda
trochlea of the humerus is for the articulation with the ___
ulna
capitulum of the humerus is for the articulation with the ___
radius
proximal humerus injuries commonly involve fracture of the ____ neck, ___ fractures of the greater tubercle, and ___ fractures of the humeral shaft
surgical
avulsion
spiral
FISH
fibrocartilage = ilium sacrum = hyaline
c.c painful arc syndrom
the tendons of the rotator cuff muscles become irritated and inflamed as they pass through the subacromial space, the passage beneath the acromion.
anterior axioappendicular M of the shoulder girdle
pec major / minor
subclavius
serratus anterior
(pec minor and serratus don’t do anything with the arm)
(Pec major is the only ant. M with an attachment of the trunk to arm)
_____M is the only M on the anterior side that connects the arm to the trunk
pec major
___M finishes abd.
deltoid
supraspinatus starts it
Deep posterior axioappendicular M’s
levator scapulae
Phomoid major and minor
Scapulohumeral M’s
deltoid teres major, minor supraspinatus infraspinatus subscapularis
N to seratus anterior
long thoracic
2 M origins on the coracoid
corachobrachialis
bicep short hear
1 M insertion on the coracoid process
pec minor
