Flashcards in Blue Boxes 1: Pectoral Scapular and Deltoid Regions Deck (12)
What is a sign of an absence of pectoralis major?
The anterior axillary fold is absent and the nipple is more inferior than usual
Injury to the long thoracic nerve paralyzes what muscle?
Injury to what nerve/muscle causes winged scapula?
Long thoracic nerve/serratus anterior
What nerve is often injured during knife fights when the limbs would be elevated?
Long thoracic nerve
What is the primary clinical manifestation of spinal accessory nerve palsy?
Weakness when shrugging shourlders against resistance, "trapezious"
What nerve is vulnerable to injury during mastectomies when the axillary tail of the breast is removed? also during inferior part of axilla surgeries
What nerve innervates the rhomboids?
The deltoid atrophies when what nerve is damaged?
axillary (C5 - C6)
What nerve is usually injured during a fracture of the humerous at the surgical neck?
What is the cutaneous branch of the axillary nerve?
superior lateral cutaneous nerve of the arm
What is the reason for fracture-dislocation of the proximal humeral epiphysis in children?
The joint capsule of the glenohumeral joint, reinforced by the rotator cuff, is stronger than the epiphysial plate