3.1 Upper Limb Anatomy Flashcards
What nerve is most likely damaged if a break occurs at the surgical neck?
Axillary nerve
What nerve is most likely damaged if a break occurs at the radial groove?
Radial nerve
What nerve is most likely damaged if a break occurs at the distal humerus?
Median nerve
What nerve is most likely damaged if a break occurs at the medial epicondyle?
Ulnar nerve
What are the Trapezius attachment points?
C-spine, T-spine, scapular spine, and clavicle
What are the actions of the Trapezius?
Scapular rotation and retraction
Action of the Rhomboids?
Scapular retraction
Action of the Levator Scapula?
Scapular elevation
Attachment of the Serratus Anterior?
Medial border of scapula to ribs
Action of Serratus Anterior?
Scapular protraction
Innervation of Serraturs Anterior?
Long thoracic nerve
Injury to the Long thoracic nerve causes what?
Scapular winging
Deltoid Attachment?
Scapular spin, clavicle, deltoid tuberosity
Actions of Deltoid?
Abduction, flexion, extension
Innervation of the deltoid?
Axillary Nerve
What are the rotator cuff muscles?
1) Supraspinatus
2) Infraspinatus
3) Teres minor
4) Subscapularis
Which muscle of the posterior arm crosses both shoulder and elbow joints?
Long head of the triceps brachii
Boundaries of the cubital fossa?
1) Line between the lateral and medial epicondyles
2) Pronator tores
3) Brachialradiallis
Contents of the cubital fossa?
1) Radial Nerve
2) Biceps Tendon
3) Brachial Artery
4) Medial Nerve
Which subcutaneous vein travels along the lateral side of the arm?
Cephalic vein