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K Shd Girdle

quiz

QuestionAnswer
What bones make up the shoulder girdle? scapula, clavicle and to a lesser degree the sternum
As the spine of the scapula tracks laterally, it turns into what bony prominence? acromion process
what is the name of the joint that is made up of the lateral end of the clavicle and the acromion process of the scapula? acromioclavicular joint
Name the ligament that runs from the acromion to the corocoid process. corocoacromial
When the scapula moves forward around the rib cage this movement is called: protraction
How many degrees of freedom does the SC jt have? three
The force couple that causes upward rotation of the scapula includes what muscles? lower trap, upper trap, serratus anterior
The upper trapezius and the levator scapula working together can cause: elevation
The pectoralis minor muscle has a downward diagonal line of pull that's mostly vertical, making it a prime mover in... scapular depression, downward rotation, and scapular tilt
The origin for the upper trapezius muscle: occipital bone, nuchal ligament on upper cervical spinous processes
The origin for the Middle trapezius muscle: Spinous processes of C7 thru T3
The origin for the lower trapezius muscle: Spinous processes of middle and lower thoracic vertebrae
The insertion of the serratus anterior is: vertebral border of the scapula, anterior surface
What nerves could be involved if a patient could not elevate the scapula with full strength? spinal accessory, dorsal scapular
The muscle that performs two movements that are the opposite of two of the movements of the rhomboids is the: serratus anterior & pectoralis minor
What is the name of the motion of the scapula when the inferior border moves away from the vertebral column? upward rotation
The origin of the rhomboid muscle is the: spinous processes of C7 to T5
What is the innervation of the pectoralis minor? medial pectoral nerve (C8, T1)
The fossa that is located on the anterior side of the scapula is called the: subscapular fossa
The structure that helps to deepen the glenoid fossa is called the: glenoid labrium
What is the rotational direction that the levator scapula acts on the scapula? downward rotation
what is the insertion of the pectoralis minor? coracoid process of the scapula
The average ratio for the scapulohumeral rhythm is: 2:1
Created by: jessigirrl4