Scapula Flashcards
The long head of triceps brachii muscle arises from
Infraglenoid tubercle
The long head of biceps brachii muscle arises from
Supraglenoid tubercle
The serratus anterior muscle is ___ on the ___ surface along the ___ border and ___ angle of the scapula body.
inserted
coastal
medial
inferior
Three processes of the scapula
spinous, acromion, coracoid
Surfaces, borders, angles of the body of the scapula
i. Two surfaces: (a) costal and (b) dorsal.
ii. Three borders: (a) superior, (b) lateral, and (c) medial.
iii. Three angles: (a) inferior, (b) superior, and (c) lateral.
Coastal surface (—-) of the scapula is _____ and directed ___- and ____.
Subscapular fossa
concave
medially and forwards
Coastal surface of the scapula has _____ longitudinal ridges for attachment of _____ and ______
three
intramuscular tendons and subscapularis muscle
Subscapularis muscle is
multipennate
Spinous process of the scapula is present on the ___ surface
dorsal
The spinous process divides the dorsal surface into _____ and _____
supraspinous (upper & smaller; one-third)
infraspinous fossae (lower & larger; two-third).
The _____ notch lies between lateral border of the spinous process and the dorsal surface of the neck of scapula
spinoglenoid notch
Through _____ supraspinous fossa communicates with the infraspinous fossa and suprascapular nerve and vessels pass from supraspinous fossa to the infraspinous fossa.
spinoglenoid notch
The _____ muscle arises from medial two-third of supraspinous fossa.
supraspinatus muscle
The supraspinatus muscle arises from ____ of ______ fossa.
medial two-third
supraspinous
The supraspinatus muscle ___ from medial two-third of supraspinous fossa.
arises
The infraspinatus muscle arises from ____ of ______ fossa.
medial two-third
infraspinous
The ____ muscle arises from medial two-third of infraspinous fossa
infraspinatus
The infraspinatus muscle ___ from medial two-third of infraspinous fossa.
arises
The teres minor muscle arises from the ____ of scapula
upper two-third of the dorsal surface of lateral border
The _____ muscle arises from the upper two-third of the dorsal surface of lateral border of scapula
teres minor muscle
The origin of teres minor muscle is interrupted by ____
the circumflex scapular artery
The origin of ____ muscle is interrupted by the circumflex scapular artery
teres minor muscle
The teres minor muscle ____ from the upper two-third of the dorsal surface of lateral border
arises
The teres major muscle arises from the _____ surface of ___ border and ___ angle of scapula.
lower one-third of the dorsal surface of lateral border and inferior angle
The ____ muscle arises from the lower one-third of the dorsal surface of lateral border and inferior angle of scapula.
teres major muscle
The teres major muscle ___ from the lower one-third of the dorsal surface of lateral border and inferior angle of scapula.
arises
The ____ muscle also arises from dorsal surface of the inferior angle by a small slip.
latissimus dorsi
The latissimus dorsi muscle arises from
dorsal surface of the inferior angle by a small slip
The _____ tubercle is present at the upper end of the lateral border, just below ____
The infraglenoid tubercle is present at the upper end of the lateral border, just below the glenoid cavity
_____ border is thin and angled at the root of the spine of scapula
Medial border
____ border extends from superior angle to the inferior angle.
Medial border
Lateral border of scapula is thick because
it acts as fulcrum during rotation of the scapula.
The _____ muscle is inserted on the dorsal aspect of the medial border from superior angle to the root of spine.
levator scapulae
The levator scapulae muscle is ____ on the dorsal aspect of the medial border from superior angle to the root of spine.
inserted
The levator scapulae muscle is inserted on the _____ aspect of the _____ border from ____ angle to the ____
The levator scapulae muscle is inserted on the dorsal aspect of the medial border from superior angle to the root of spine.
The ____ muscle is inserted on the dorsal aspect of the medial border opposite the root of spine.
rhomboideus minor
The _______ muscle is inserted on the dorsal aspect of the medial border from the root of spine to the inferior angle.
rhomboideus major
______ angle lies over the 7th rib or the 7th intercostal space.
Inferior angle
___ angle is at the junction of superior and medial borders, and lies over the 2nd rib.
Superior angle
_______ angle is head of the scapula
Lateral angle
A fibrocartilaginous rim, the ____ is attached to the margins of glenoid cavity to deepen its concavity.
glenoid labrum
The origin of _____ muscle which arises from supraglenoid tubercle is intracapsular
biceps brachii