Shoulder Flashcards
Levator Scapula
(PA and DA)
PA- transverse processes of the atlas and axis and from the posterior tubercles of the transverse processes of the third and fourth cervical vertebrae
DA- the vertbral border of the scapula between the medial angle and the trianglar smooth surface at the root of the spine
Latissimus Dorsi
(Action)
Scapula- depresses and downwardly rotates scapula at the SC and AC joints; elevatestrunk against fixed scapula
GH- extension, IR, adduction
Upper Trapezius
(PA and DA)
PA- external occipital protuberance, superior nuchal line, ligamentum nuchae
DA- Upper lip of the lateral third of clavicle
Latissimus Dorsi
(Innerrvation)
thoracodorsal N
Subscapularis
(PA and DA)
PA- anterior suface of subscapular fossa of scapula
DA- lesser tubercle of humerus
Coracobrachialis
(Innervation)
Musculocutanous N
Pectoralis Minor
(PA and DA)
PA- External surface of the third through fifth ribs
DA- medial border of coracoid process
Lower Trapezius
(PA and DA)
PA- spinous processes of T3 to T12
DA-triaangular area at the medial end of the scapular spine
Teres Minor
(Innervations)
Axillary N
Serratus Anterior
(Innervation)
Long Thoracic N
Supraspinatus
(Innervation)
Suprascapular N
Pectoralis Major
(PA and DA)
PA- (Claviclaur head) anterior surface of the medial thrid of the clavicle, lower lip
(Sternal head) anterior surface of sternum and costal cartiages
DA- lateral lip of bicipital groove
Coracobrachialis
(Action)
helps stablize shoulder joint
Lower Trapezius
(Action)
Depresses scapula; Upwardly rotates scapula
Rhomoid Major and Minor
(Action)
Retraction of scapula; elevation of scapula; downwardly rotates of scapula
Deltiod
(DA)
deltiod tuberosity
Middle part of Deltiod
(Action)
GH abduction
Subscapularis
(Innvervation)
Upper and Lower Subscapular N
Rhomoid Major and Minor
(PA and DA)
Major: PA- Spinous processes of T2-8
DA- medial border of scapula
Minor: PA- Spinous processes of C7- T1
DA- above the spine, major is below
Serratus Anterior
(Action)
Protaction and Upward Rotation of the Scapula
Teres Major
(Action)
GH IR, Extension, Adduction
Deltiod
(Innervation)
Axillary N
Upper Trapezius
(Innervation)
Spinal Accessory N
Levator Scapula
(Action)
Protraction and Upward Rotation of the Scapula
Teres Minor
(PA and DA)
PA- lateral border of scapula superior to teres major
DA- greater tubercle, inferior facet of humerus
Pectoralis Minor
(Action)
Scapular Depression, Protraction, Tilt, and Downward Rotation
Infraspinatus
(Action)
GH ER
Teres Major
(PA and DA)
PA- lower third of the lateral side, posterior aspect of inferior angle of scapula, below the teres minor
DA- medial lip of bicipital groove (anterior to latissimus dorsi)
Levator Scapula
(Innervation)
Dorsal Scapular N
Subclavius
(Innervation)
Subclavian N
Pectoralis Major
(Action)
Clavicular head- GH horizontal adduction, flexion, adduction below 90*/ abduction above 90*
Sternal head- GH adduction, horizontal adduction
Coracobrachialis
(PA and DA)
PA- apex of the coracoid process by a common tendon with the short head of the biceps
DA- medial aspect of middle shaft of the humerus
Supraspinatus
(Action)
GH abduction
Infraspinatus
(PA and DA)
PA- Infraspinous fossa of the scapula
DA- greater tubercle, middle facet of humerus
Postior part of Deltiod
(Action)
GH- adduction, extension, ER
Pecetoralis Minor
(Innervation)
Medial Pectoral N
Subclavian
(PA and DA)
PA- at the extreme anterior end of the first rib
DA- inferior middle third of the clavicle
Middle Trapezius
(PA and DA)
PA- Spinous Processes of C7 ro T3-4
DA- medial margin of the acromion, and into the superior lip of the posterior border of the spine of the scapula
Middle Trazius
(Action)
Retraction of Scapula; contributes to upwards rotation
Pectoralis Major
(Innervation)
medial and lateral pectoral N
Teres Major
(Innervation)
Lower Subscapular N
Anterior part of Deltiod
(Action)
GH adduction, Flexion, IR
Teres Minor
(Actions)
GH ER
Serratus Anterior
(PA and DA)
PA- anterior surface of the upper 8 ribs
DA- medial border of the anterior surface of the subscapular fossa of the scapula
Supraspinatus
(PA and DA)
PA- supraspinus fossa of scapula
DA- great tubercle, superior facet of humerus
Subscapularis
(Action)
GH IR, Adduction, Extension
Subclavius
(Action)
Stablizes/ Depresses the Clavicle
Lower Trapezius
(Innervation)
Spinal Accessory N
Latissimus Dorsi
(PA and DA)
PA- thoracodorsal fascia, sacrum, iliac crest, spinous processes of lumbar vertebrae
DA- floor of biciptal groove of humerus; spirals anterior to teres major tendon (Book says- floor the intertubercular groove of the humerus)
Middle Trapezius
(Innervation)
Spinal Accessory N
Deltiod- Anterior, Middle, Posterior
(PA)
Anterior- lateral third lip of clavicle
Middle- acromion of scapula
Posterior- lower lip of the posterior border of the spine of the scapula
Infraspinatus
(Innervation)
suprascapular N
Rhomboid Major and Minor
(Innervation)
Dorsal Scapular N
Upper Trapezius
(Action)
Elevation of Shoulder; Upward Rotation of Scapula
