SHOULDER GIRDLE-CLAVICLE- SCAPULA Flashcards
What bones forms the Shoulder girdle?
Clavicle and Scapula
What are the functions of the clavicle and scapula?
To connect the Upper limb to the trunk
The girdle is completed infront by the?
Sternum
What articulates with the medial end of the clavicle?
Sternum
Which classification of bone is the clavicle?
Long bone,
- has a body and two articular extremities
Which two structures articulate to form the sternoclavicular joint?
manubrium of the sternum and the medial end of the clavicle
The Clavicle lies in a _____plane just above the first rib and forms the anterior part of the______?
Horizontal Oblique plane
-Shoulder girdle
The lateral aspect of the clavicle is?
Acromion Extremity
What does the Acromion Extremity articulates with?
Acromion of the scapula
What is the medial aspect of the clavicle?
The Sternal Extremity
The Sternal Cavity articulates with the?
Manubrium of the sternum and the first coastal cartilage
Which classification of bone is the scapula?
FLAT BONE
What does the scapula form?
The posterior part of the shoulder girdle
The clavicle, which serves as a _______ for the movements of the arm, is doubly curved for strength. The curvature is more _____ in males than in females.
fulcrum, acute
males typically have straighter, thicker clavicles than females (who may have a more V-shaped collar bone)
What shape is the scapula?
Triangular shape
How many surfaces, borders and angles does the scapula have
two surfaces, three borders, and three angles.
What are they?
Borders- Superior, medial, Lateral Border
Angle- Superior, inferior, Lateral angle
2 surface:
Anterior/ Costal aspect
Posterior/dorsal aspecr
Lying on the superoposterior thorax between the second and seventh ribs, the _______ border of the scapula runs parallel with the vertebral column.
medial
The flat aspect of the bone lies how many angle in the anatomicposition?
45-60 degree angle
What is the name of the fossa on the anterior surface of the scapula?
Subscapular
It is filled almost entirely by the atatchment of which muscle?
The subscapularis muscle
The Dorsal (posterior) surface of the scapula is divided into 2 portions by a?
Prominent (Spinous process) (Crest of spine)
Of which part of the scapula is the acromion an extension?
Spine
The crest of spine arises at the
superior third of the medial border from a smooth, triangular area and runs obliquely superior to end in a flattened, ovoid projection called?
Acromion.
Which border of the scapula extends from the glenoid cavity to the inferior angle?PP
Lateral