The Hip - book

Anconeus

  origin: posterior surface of lateral epicondyle of humerus; insertion: lateral side of olecranon process and posterior surface of proximal portion of ulna; action: extension and pronation of the forearm at the elbow; nerve supply: radial, C5, C6; synergist: triceps brachii The aconeus muscle flap: its anatomy and clinical application.

Aneurysms of the Upper Extremity

Discussion pulsatile, tender mass vasospastic symptoms (burns’s) digit ischemia and/or gangrene embolic showers from mural thrombi adjacent nerve compression may be erythematous and mimic an abscess systolic bruit or thrill Exam allen’s test may be positive if the aneuysm is occluded; perform digital Allen’s test; Treatment surgery recommended due to risk of thrombosis & peripheral … Read more

Anatomy of Rotator Cuff

      – See: Rotator Cuff Tear – Discussion:     – see abductors of the shoulder;     – common tendon covering top, front, & back of humeral head;     – 4 muscles fuse to form this tendon: (subscapularis, supraspinatus,, infraspinatus, teres minor;)     – supraspinatus           – lies … Read more

Anatomy of Sacrum

– Discussion:     – upper end of sacrum, base of triangle, is directed forward & upward;     – in middle is upper surface of body of the first sacral vertebra;     – its anterior border forms the sacral promontory.     – it is concave & fairly smooth on its pelvic surface, … Read more

Anatomy of Carpal Tunnel

–  Discussion:      – transverse carpal ligament, is a heavy band of fibers which runs between hamate & pisiform medially to scaphoid and trapezium laterally, and forms             fibrous sheath which contains carpal tunnel anteriorly within fibro-osseous tunnel;             – posteriorly, tunnel is bordered by carpal bones, and transports median … Read more

Anatomic Positioning of the Acetabulum in THR for the Dysplasic Hip

– See:       – Total Hip Replacement Menu:              – total hip in DDH              – acetabular component menu:              – crowe classification  – Anatomic Position – Discussion:     – w/ low dislocation, attempts should be made for antatomic placement, but should also be considered w/ high dysplastic dislocation;     – long term success … Read more

Anatomic Snuff Box

(See also: DeQuervain’s Disease, Differential Diagnosis) Discussion snuff box is depression within the borders formed by EPB & EPL; distal border is formed by prominent edge of base of first metacarpal & proximal border is formed by styloid process of the radius; lies just dorsal and distal to the radial stylid process; radial border of snuff … Read more