Shoulder Anatomy
True or False:
There are 2 joints that make up the shoulder complex
False
Glenohumeral dislocations most often occur in what direction?
Anterior
What bone is located in the anatomical snuff box?
Scaphoid
Carpal tunnel syndrome symptoms are the result of compression of what structure?
Median Nerve
In an elbow dislocation, the ulnar is usually displaced in what direction?
Posterior
List the bones that make up the shoulder complex
Scapula
Humerus
Clavicle
Clicking and popping is a sign of injury to what structure in the shoulder?
Glenoid labrum
Injury to the UCL of the thumb is called
Gamekeepers thumb
Valgus stress at the elbow can result in damage to which ligament?
UCL
Forearm supination and pronation occur at which joint?
Radioulnar
Which two muscles perform shoulder protraction
Pectoralis minor
Serratus anterior
Sternoclavicular joint dislocations in which direction are considered a medical emergency?
Posterior
Which ligament supports the lateral side of the fingers?
Radial collateral ligaments
Twisting with the hand planted is a mechanism for what injury?
Elbow dislocation
Injury to the ulnar collateral ligament in the thumb is known as what?
Gamekeeper's thumb
What rotator cuff muscle performs internal rotation?
subscapularis
What is the mechanism for an anterior glenohumeral dislocation?
Forced shoulder abduction and external rotation
Which ligament surrounds the radial head?
Annular
An injury involving damage to the flexor tendon in the finger is called
Jersey finger
What structure provides cushioning and support at the distal ulna?
Triangular fibrocartilage complex (TFCC)
Which muscle performs extension, adduction, and internal rotation at the shoulder?
Latissimus dorsi
What is a SLAP lesion (where is it and what structure(s) is/are involved)?
A tear of the superior glenoid labrum (superior labrum anterior to posterior) that occurs from the long head of the bicep tendon pulling on the superior labrum
Which muscle group originates on the lateral epicondyle of the humerus?
Wrist extensors
What is the mechanism for medial epicondylitis?
What are the actions of the biceps and triceps at both the elbow and shoulder?
Biceps: elbow flexion and shoulder flexion
Triceps: elbow extension and shoulder extension