– See: – operative considerations for hip dyplasia – acetabular component revision – Discussion: – restoration of the normal hip center in acetabular reconstruction encourages restoration of normal biomechanics; – medial placement: – moving hip center medially improves efficiency of … Read more
origin: the transverse process of the 6th to 10 Thoracic vertebrae; insertion: the spinous process of the 1st to 4th thoracic and 6th-7th cervical vertebrae; action: extends the spine and rotates it toward the opposite side; nerve supply: posterior rami of the thoracic nerves, T1 to T6; synergists: Longissimus Thoracis, Iliocostalis thoracis, Spinalis Thoracis
– See: Arteries of the Upper Limb – Discussion: – branch of axillary artery; – pierces the clavipectoral fascia and gives rise to 4 branches; – clavicular – small branches that run toward sternoclavicular joint, supplying this and a little bit of the anterior thoracic wall; … Read more
– See: Vascular Problems of the Upper Extremity: – Discussion: – thoracic outlet space is created by the clavicle, first rib, subclavius muscle, costoclavicular ligament, and anterior scalene muscle; – most often affects subclavian artery, vein, and lower trunk (C8 & T1) of brachial plexus; – both the subclavian artery and the brachial plexus traverse … Read more
– See: Infections of the Hand – Anatomy: – extends mediolaterally from long metacarpal bone to the thenar eminence; – extends proximodistally from transverse carpal ligament to just proximal to superfical palmar arch; – borders of the thenar space include: – … Read more
– See: Theophylline Preparations: Drug Interactions and Toxicities: Aminophylline; – Discussion: – for prevention of bronchial Asthma, reversible bronchospasm assoc w/ chronic bronchitis and emphysema; – is direct relaxant of smooth muscle of bronchial airway & pulmonary blood vessels (bronchodilator and smooth muscle relaxant); – Adult Dose: – can only begiven PO; – 24mg/kg/24hrs PO … Read more
– See: – DCP and LC-DCP, 3.5 mm – DCP, 4.5 mm – LC-DCP, 4.5 mm in Pure Titanium – Discussion: – compression is appied by eccentric insertion of screws; – slot for compression has a sloping surface at one end; … Read more
– Theory of Tension Band: – anterior tension band wiring intentionally creates a small separation of surface of patellar articular surface w/ knee in extension; – as knee goes into flexion, frx gap at the patellar articular surface closes down; – this occurs as tension forces of … Read more
– See: Role of the Ankle in Gait – Discussion: – is a hinge joint w/ malleoli projecting downward from tibia & fibula forming medial and lateral walls of the mortise, encompassing talus; – in addition, malleoli serve as pulleys for tendons reaching plantar surface of foot from posterior and lateral compartments of … Read more
– Discussion: – indicated primary for traumatic peripheral ulnar sided TFCC tears; – negative predictive factors for successful repair include concomitant ulnocarpal impaction syndrome (associated w/ degenerative tears) and peripheral radial tears (due to the relative avasucularity of the disc in this region; – some surgeons feel … Read more