Biceps Brachii
– Anatomy: – origin: – long head: supraglenoid tuberosity of the scapula – short head: apex of coracoid process of scapula; – synergists: brachialis, brachioradialis, supinator; – innervation: musculocutaneous, C5 > C6; – … Read more
– Anatomy: – origin: – long head: supraglenoid tuberosity of the scapula – short head: apex of coracoid process of scapula; – synergists: brachialis, brachioradialis, supinator; – innervation: musculocutaneous, C5 > C6; – … Read more
– Discussion: Tibial Plateau Frx Menu – consists of wedge frx of medial & lateral plateau; – if articular depression is present, it is usually present on the lateral plateau; – frx may have an inverted Y appearance, w/ the articular frx originating in the intercondylar region; – associated … Read more
– See: – Rolando’s fracture – Thumb Fractures/Dislocations – X-ray Studies – Discussion: – most frequent of all thumb frx; – described in 1882 by Dr. Edward Bennet; – it is a frx dislocation, intra-articular frx at base of … Read more
– Discussion: – is an avulsion of the anteroinferior glenoid labrum at its attachment to IGHL complex; – lesion is felt to result from anterior shoulder dislocation and is felt to be primary lesion in recurrent anterior instability; – when Bankart lesion occurs, there is obligitory concomitant capsular disruption, w/ stretching or elongation … Read more
Carl J. Basamania M.D. – Discussion of Bankart Lesions – Assessment of Bankhart Lesion: … Read more
– Indications: – most often used for anterior shoulder reconstructions – Positioning: – beach chair w/ full access to posterior aspect of shoulder; – holding shoulder in flexion, will relax shoulder & facilitate exposure; – consider the Mconnel Shoulder Positioner; – references: … Read more
– See: Arteries of the Upper Limb – Discussion: – the axillary artery begins at the first rib as a direct continuation of the subclavian artery and becomes the brachial artery at the lower border of the teres major – artery passes behind pectoralis minor in its course thru axilla & is conveniently described as having 3 … Read more
– Discussion: (See: Blood Supply to Femoral Head) – there are certain areas of bone in which vascular supply is precarious; – these areas are subject to infarction and avascular necrosis; – three such regions are head of femur, body of talus, & scaphoid; – they have the … Read more
Discussion: – pathogenesis – vascular interruption: – blood supply to femoral head – specific inciting causes – natural history – diff dx: – synovitis; – Idiopathic Transient Osteoporosis of the Hip – femoral neck stress frx – metastatic disease – trochanteric bursitis: – ref: Avascular necrosis of the femoral head presenting as trochanteric bursitis. – … Read more
– See: – Frx Dislocations of the Hip – Avascular Necrosis of the Femoral Head – Discussion: – overall incidence between 5-40%; – if reduction is performed w/in 6 hours, incidence of AVN will be less than 10%; – in the study by McKee, et … Read more