– See: orthofix fixator – Discussion: – convential “bridging” external fixation relies on ligamentotaxis to apply traction & restore displacement; – indications: – active pts when radial length is decr by > 3-4 mm; – presence of dorsal comminution; – when closed reduction fails to restore anatomic palmar tilt; – for any unstable or intra-articular … Read more
– Location of Pin Insertion Sites: – depending on type of frame used, at least two or three pins are placed along iliac wing; – 1st pin is usually placed about 2 cm posterior to anterosuperior spine. – rest of pins should then be placed along iliac crest using … Read more
– Discussion: – anterior longitudinal ligament inserts on anteroinferior portion of the C2 body; – w/ extreme hyperextension, ligament may remain intact but may avulse from its insertion, pulling a corner of C2 body with it; – vertical ht of the fracture fragment is > than its horizontal width; – hyperextension … Read more
– See: Forearm Extensors : – Anatomy: – origin: 2 heads from lateral epicondyle & middle 1/3 of posterior ulna; – insertion: – posterior surface of base of 5th metacarpal; – ECU is the only wrist extensor that lies in its own fibro-osseus tunnel; – action: extends and adducts the hand at the wrist; – … Read more
– See: Forearm Extensors: – Anatomy: – origin: common extensor tendon off lateral epicondyle; – insertion: tendon of extensor digitorum at proximal phalanx of little finger & into dorsal expansion of finger extensor tendons; – action: – extends proximal phalanx of little finger at MP … Read more
– Discussion: – in elderly pts w/ comminuted frx, excision of up to 50% of olecranon can be well tolerated (no instability) – if distal surface of semilunar notch of ulna & coronoid are not injured upto 80% of olecranon may be excised w/o producing instability; – … Read more
– See: Back Pain in Children – Discussion: – results of exam may be normal in child w/ spondylolysis or mild (Grade-I or Grade-II) spondylolisthesis. – Back: – tenderness to palpation in the low back; – splinting as well as guarding & restriction of side-to-side motion of low back, particularly … Read more
– See: – Brachial Plexus – Neuro Exam – Management of Spinal Cord Injury: – Assess for Spinal Shock & Sacral Sparing – bulbocavernosus – anal sphincter S-3 – bladder sphincter S-2 – FHL S-1 – level of a spinal cord … Read more
– See: – PE of C-Spine: – Neuro Exam – Inspection: (scoliosis, thoracic kyphosis, lumbar lordosis, zoster ect.) – ROM: – extension: Phalen’s test (lumbar stenosis) – flexion: – frequently assessed by patient’s ability to touch the floor; … Read more
– Discussion: – epithelioid sarcoma is the most common soft-tissue sarcoma in the hand and most commonly occurs in young adults; – slow growing malignant soft tissue tumor, usually occuring in adults; – these are usually minimally symptomatic. – “pseudocapsule” or poorly circumscribed mass often attached to tendons, tendon sheath, or joint capsule; … Read more