– Discussion: – together w/ proximal portion of the coronoid process, olecranon forms greater sigmoid notch of the ulna, a deep depression that serves as articulation w/ trochlea that serves as the articulation w/ trochlea which allows motion only in anteroposterior plane and provides … Read more
– Discussion: – sesamoid bone w/ in quadriceps tendon; – cartilaginous posterior surface is divided by a rounded vertical ridge into a larger, lateral portion for articulation w/ lateral condyle of femur and smaller medial portion for articulation w/ medial condyle of femur; – w/ increasing knee flexion, contact … Read more
– Discussion: – proximal humerus ossifies from four centers: head, shaft, and both tubercles, which unite at age 19 to 20; – frx in adult life tend to occur along old epiphyseal lines; – depression between tubercles, bicipital groove, contains long head of biceps; – tubercles also … Read more
– See: Ligaments of the Wrist – Anatomy of TFCC: – consists of articular disc (triangulyar fibrocartilage), meniscus homologue (lunocarpal), ulnocarpal ligament, dorsal & volar radioulnar ligament, and ECU sheath; – it originates from firm attachments on medial border of distal radius and inserts into the base of the ulnar styloid; … Read more
– See: role of knee joint in locomotion and mechanical axis – Discussion: – bones forming the knee joint are femur, tibia, & patella; – both left and right femurs converge toward knee and each tibia is nearly vertical, femur and tibia meet angle of some 5-12 deg; … Read more
– See: Biomechanics of the ACL: – Discussion: – length of 38 mm (range 25 to 41 mm) – width of 10 mm (range 7 to 12 mm) – made up of multiple collagen fascicles; – surrounded by an endotendineum – microspocially: interlacing fibrils … Read more
– See – Normal Variants – Development of Atlas: – Atlantooccipital disassociation – Jefferson frx – Discussion: – C1 has no central body – C1 vertebra is ring of bone w/ large lateral masses that provide only two … Read more
– See: – 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 … Read more
Anatomy & Sites of Compression of Cubital Tunnel – Discussion: – cubital tunnel extends from medial epicondyle to olecranon; – it serves as the major contraint for the ulnar nerve as it passes behind the elbow; – w/ flexion the cubital tunnel becomes taunt, and with extension the cubital tunnel becomes lax; – aponeurotic roof … Read more
div class=”mh-row clearfix”> h1>/h1> div class=”bodycopy”>hr size=”3″/> – See: – a onclick=”window.open(this.href,”,’resizable=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,fullscreen=no,dependent=no,status’); return false” href=”http://www.ncbi.nlm.nih.gov/pubmed/11464847″>El Escorial Revisited: Revised Criteria for the Diagnosis of Amyotrophic Lateral Sclerosis br/> /a>br/> – a href=”/nerves/neuropathic-disorders/”>Disorders of Nerves/a>: br/> – a href=”/muscles-tendons/spinal-disorders-involving-the-anterior-horn-cells/”>Anterior Horn/a> Cell Disorders: br/> – a onclick=”window.open(this.href,”,’resizable=no,location=no,menubar=no,scrollbars=yes,status=no,toolbar=no,fullscreen=no,dependent=no,status’); return false” href=”http://www.als.ca/”>ALS … Read more