Upper Extremity Final Flashcards
Pectoralis Major M. attachments
clavicle, sternum, and costal cartilages 1-6 to lateral edge of intertubercular groove of humerus
Pectoralis Major M. innervation
medial and lateral pectoral Ns.
Pectoralis Minor M. attachments
ribs 3-5 to the coracoid process of scapula
Pectoralis Minor M. innervation
medial pectoral N.
Serratus Anterior M. attachments
lateral side of external surface ribs 1-8 to the medial border of the scapula
Serratus Anterior M. innervation
long thoracic N.
Deltoid M. attachments
acromion, scapular spine, and clavicle down to the deltoid tuberosity of humerus
Deltoid M. innervation
Axillary N.
Deltoid M. blood supply
Posterior circumflex humeral A.
Subscapularis M. attachments
subscapular fossa to lesser humeral tubercle
Subscapularis M. innervation
Superior and inferior subscapular Ns.
Supraspinatus M. attachments
Supraspinous fossa to greater humeral tubercle
Supraspinatus M. innervation
Suprascapular N.
Infraspinatus M. attachments
infraspinous fossa to greater humeral tubercle
Infraspinatus M. innervation
Suprascapular N.