Upper Limbs Flashcards
(41 cards)
The pectoral girdle has ___ but lacks ___
flexibility, stability
Characteristics of the clavicle
Superior surface is smooth, medial end is blocky, lateral end hooks forward
Difference between right clavicle and left clavicle
Right tends to be shorter than left
Clavicles tend to vary the most among other long bones. (T/F)
True
How does the clavicle differ in manual workers?
Clavicles tend to be blockier and more curved.
When is the clavicle more likely to break?
When you are a child
When does clavicle bone growth end?
at 25-31 years
The pectoral girdle only has ____ attachment to axial skeleton.
anterior
What joint is the upper appendicular skeleton attached by?
the sternoclavicular joint
What is the structural classification of the sternoclavicular joint ?
Synovial (gliding)
What is the functional joint classification of the sternoclavicular joint?
nonaxial, little movement
Which bones are involved in the sternoclavicular joint?
Sternum and Clavicle
Pectoral Girdle muscle OIA
originate on axial skeleton, insert on girdle
Pectoral girdle muscles
levator scapulae, rhomboid major, rhomboid minor, serratus anterior
Acromioclavicular joint connects…
scapula and clavicle
what is the structural joint classification of the acromioclavicular joint?
synovial (gliding)
what is the function joint classification of the acromioclavicular joint?
nonaxial (little movement)
What is shoulder separation due to?
a downward force over the acromion
Which ligaments can be torn due to shoulder separation?
the acromioclavicular ligament and the corococlavicular ligament
Which landmark of the humerus is a common site for fractures of the humerus?
the surgical neck
Glenohumeral joint connects…
the scapula and humerus
What is the structural joint classification of the glenohumeral joint?
synovial (ball and socket)
What is the functional joint classification of the glenohumeral joint?
triaxial (flexion, extension, addiction, abduction rotation)
What does the humeroulnar joint connect?
the humerus and ulna
