– See: – Rupture of the Quadriceps – Patellar Tendon Injury – Tibial Tubercle Frx – Discussion: – extensor mechanism includes quadriceps, quadriceps tendon, medial & lateral retinaculum, patellofemoral and patellotibial ligaments, Patellar Tendon (ligament), and tibial tubercle; – superficial location of extensor mechanism make it suseptable to injury; … Read more
– See: – Forearm Extensors: – Extensor Tendon Laceration – origin: lateral epicondyle of humerus; – tunnel IV: – narrow retinaculum over dorsum of wrist forms pulley system for extensor tendons; – above the wrist its four slips spread out joined together by juncturae; … Read more
– Origin: – lateral condyle of the tibia, head and proximal 3/4 of the anterior surface on the body of the fibula, proximal portion of interosseus membrane, deep fascia and intermuscular septa; – Insertion: – divides into 4 tendons after passing under the extensor retinaculum; – … Read more
– Origin: – middle 1/2 of the anterior surface of the fibula and adjacent interosseus membrane. – the EHL lies dorsal to the EHB and is prevented from subluxation by the dorsal extensor hood; – Insertion: – dorsal surface of base of distal phalanx of hallux – Nerve supply: … Read more
– See: Forearm Extensors : – Anatomy: – origin: lateral condyle of humerus; – insertion: – this tendon inserts into the base of 3rd metacarpal and is in direct relationship with the ECRL, which inserts into the base of the 3rd metacarpal; … Read more
– See: Forearm Extensors: – Anatomy: – origin: lower 1/3 of lateral epicondyle & supracondylar ridge; – insertion: posterior surface of base of second metacarpal; – action: extends and abducts the hand at the wrist; – synergists: ECRB, ECU; – nerve supply: radial, … 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
(See also: Plafond Menu) Timing of Open Reduction in some cases, the fibula can be anatomically reduced along with application of external fixator which allows the fracture to be brought out to length and which allows the talus to be centered under the tibia; then 7-21 days later, medial column and articular surface can be restored … Read more
– Discussion: – see flexion gap – is space between transverse cut on distal femur & transverse proximal tibial cut while the knee is in complete extension; – while minor loss of knee flexion or mild instability in flexion can be tolerated, priority is always be given to extension gap adjustments; … Read more