MSK 1 Flashcards
What is the innervation of trapezius?
Cranial nerve 11
What is the innervation of rhomboid major and minor
Dorsal scapular nerve
What is the innervation of levator scapulae?
Dorsal scapular nerve
What is the innervation of serratus anterior?
Long thoracic nerve
What is the innervation of pectoralis minor?
Medial pectoral nerve
What muscles produce retraction of scapula?
Trapezius and rhomboid major/minor
What muscles produce protraction of the scapula?
Serratus anterior
What muscles produce elevation of the scapula?
Trapezius and levator scapulae
What muscles produce depression of the scapula?
Trapezius
What muscles produce upward rotation of the scapula?
Trapezius and serratus anterior
Why does rotation of the scapula occur?
Allows for abduction of the upper limb above 90 degrees
Which muscles produce abduction of the upper limb?
Deltoid
Supraspinatus
Which muscles produce medial rotation of the upper limb?
Pectoralis major Deltoid Latissimus dorsi Teres major Subscapularis
Which muscles produce lateral rotation of the upper limb?
Deltoid
Infraspinatus
Teres minor
What is the innervation of supraspinatus?
Suprascapula nerve
What is the innervation of infraspinatus?
Suprascapula nerve
What is the innervation of teres minor?
Axillary nerve
What is the innervation of subscapularis?
Subscapula nerve
What is the function of the ‘SITS’ muscles?
Joint security
Permit major movements of the joint
What is the innervation of the deltoid?
Axillary nerve
What is the innervation of pectoralis major?
Look this up
What is the innervation of latissimus dorsi?
Thoraco-dorsal nerve
What is the innervation of teres major?
Lower subscapular nerve