– See: – Burst Fractures – Lumbar vertebrae: – Discussion: – typical injury pattern for burst frxs varies w/ anatomic level; – L1 to L3 pedicles are frequently comminuted or detached; – L4 to L5 frx usually present a consistent pattern: … Read more
– Anatomy: – primary ventral rami of five lumbar nerves and of first four sacral nerves combine to form the lumbar (L1, L2, L3, L4) & lumbosacral (L4, L5, S1, S2, S3, S4) plexuses, each giving rise to anterior and posterior branches; – anterior branches supply flexor … Read more
– Discussion: – spinal stensosis is a narrowing of the lumbar spinal canal and/or neural foramina; – results in compression of the cauda equina and lumbar nerve roots, producing neural root ischemia and neurogenic claudication; – compression of neural structures also compresses vascular supply of nerves so that symptoms are predominately those of … Read more
– Discussion: – low back pain is the second most common symptomatic reason for physician visits (followed by URTI) – diff dx: – waddel criteria: – Exam of Lumbar Spine: – exam of C-Spine: – neuro exam – general assessment: … Read more
– Discussion: – plain radiographs: – in low risk patients, radiographs are indicated if LBP does not improve after 6 weeks; – low risk implies that the patient is between 18-50 years, acute onset, absence of night pain, no … Read more
– See: – Claw Hand: – Tendon Excursion: – Nerve Repair: – Combined Injuries of the Median and Ulnar Nerves: – Discussion: – lesion of ulnar nerve at or near wrist or base of palm will result in paralysis of hypothenar … Read more
origin: anterior tubercles of transverse processes of the 3rd to 6th cervical vertebrae; insertion: inferior surfaces of the basilar portion of the occipital. action: – acting bilaterally, flexes cervical vertebrae and head; – acting unilaterally, rotates and flexes cervical vertebrae and head to the same side; nerve supply: muscular branches of C1, C2, … Read more
– Discussion: – long thoracic nerve is derived from ventral rami of C5, C6, & C7 – close to their emergence from intervertebral foramina; – it runs downward & pases either in front of or behind middle scalene muscle; – it reaches upper slip of serratius anterior muscle & … Read more
origin: the common broad thich tendon with Iliocostalis Lumborum, fibers from the transverse and mamillary processes of the lumbar vertebrae and lumbrosacral aponeurosis; insertion: the tips of transverse process of all thoracic vertebrae and the lower 9 or 10 ribs between the tubercles and angles; action: acting unilaterally, extension of vertebral column … Read more
Case Example by Dr. James R. Urbaniak MD – Discussion: – indicated for patients with basal joint arthritis or CMC instability; – LRTI involves partial or complete resection of the trapezium and recreation of the palmar oblique ligament using the distally based radial half of FCR to reconstruct … Read more