– Discussion: – indicated for comminuted radial head frx which occur w/ concomitant MCL injury, dislocation, or RU joint disruption (Essex Lopresti Fracture); – will serve as spacer & will prevents proximal migration of radius; – w/ RU joint disruption, radial head spacer alone does not restore satisfactory axial stability w/o pinning the distal radioulnar … Read more
– See: – Adult Radial Neck Frx and Radial Head Frx; – Pediatric Elbow Injuries – Discussion: – radial neck frx are more common in children, whereas frx of radial head occur primarily in adults; – site of frx in childhood is either thru physis w/ … Read more
– See: – Rheumatoid Arthritis – Extensor Tendon Lacerations – Mallet Finger – Rheumatoid Wrist – Teno-synovectomy – Discussion: – ulnar side of wrist is most common site of extensor tendon ruptures; – pathophysiology: (caput ulnae syndrome) – this most often due to attritional changes due to caput ulnae syndrome; – volar subluxation of the … Read more
– See: Vascular Problems of the Wrist and Hand: – Radial Artery in the Forearm: – in the mid forearm, the radial artery lies beneath the brachioradialis – here the brachioradialis recieves arterial branches just below elbow; – Radial Artery in Wrist: – at wrist ulnar artery … Read more
– Anatomy: – flexor sheath of thumb usually extends from distal phalanx to a point 2-4 cm proximal to volar wrist crease; – proximal half of tendon sheath is commonly referred to as the radial bursa; – occasionally proximal half of FPL sheath is separate from distal sheath, making them … Read more
– See: – Innervation – Rectus Femoris / Intermedius / Lateralis / Medialis – Extensor Mechanism Injuries of the Knee – Rupture of the Quadriceps – Rectus Femoris: origin: – straight head: anterior … Read more
origin: iliolumbar ligament, posterior part of the iliac crest; insertion: inferior border of the first rib and transverse process of the upper 4 lumbar vertebrae; action: pure lateral flexion of lumbar vertebral column; helps action of the diaphram in inspiration; nerve supply: Lumbar Plexus, T12, L1, L2, L3
– arises from T12, L1, L2, L3, {L4}
– See: Plantar Muscles of the Foot Origin: 2 heads, the medial surface and the lateral border of the inferior surfaces of the calcaneus; Insertion: fuses with the tendon of the flexor digitorum longus; Action: flexes the 2nd to 5th toes; Nerve Supply: Lateral plantar, S1, S2; (See … Read more
– See: Trianglular Space – Anatomy: – formed by: – humerus – teres major – teres minor – long head of triceps – contents: – … Read more