The Hip book

Motor Branch of Median Nerve

– Discussion:     – most common pattern of motor branch of median nerve is extraligamentous take off from main branch of median nerve (distal to TCL in 50% pts)     – in 30% of pts motor branch exits proximal to TLC;     – in 20% of pts motor branch exits distal to TLC; … Read more

MP Joint Locking

– Discussion:     – index finger is most commonly involved, often found in older pts w/degenerative arthritis; – Etiology:     – muscular contracture or trauma;     – collateral ligament or volar plate tethering on prominent MP head or osteophyte (on either side or volar aspect of metacarpal head);     – torn palmar … Read more

Morquio’s Syndrome

Discussion short trunk disproportionate dwarfism is established by age of 2 or 3 and progresses; inherited as autosomal recessive trait; children have normal intelligence and survive well into adulthood; pectus carinatum is also apparant; other problems include corneal opacity and abnormal dentition; type of mucopolysaccharidoses in which keratan sulfate accumulates in the tissues; measurement of … Read more

Milch Technique of Shoulder Reduction

  – Discussion of Treatment of Recent Dislocations and Fracture-Dislocations of the Shoulder     – maintains that biceps and subscapularis muscle offers the chief resistance to reduction;     – in anatomic position, w/ humerus at side, direction of various muscles around shoulder girdle seems to completely haphazard;     – constancy of this effect must be attributed … Read more

Middle Phalanx Frx

    – See:       – Characteristics of Phalangeal and Metacarpal Fracture:       – Injury to the Phalanges: – Discussion:     – important deforming force is the insertion of central slip into the dorsum of the base of the middle phalanx & insertion of flexor digitorum           superficialis volarly;     – … Read more

Mid-Carpal Instability

– Discussion: (see: dynamic instability);     – type of non dissociative carpal instability;     – capitolunate joint has high potential for instability, since it is mainly stabilized only by radiocapitate ligament (and captiotriquetral ligament, to a lesser degree); (see wrist ligaments);     – may result from malreduced radial styloid frx, or any … Read more

Mid Palmar Space

– Discussion:     – extends lateromedially from mid-palmar septum to hypothenar eminence;     – extends proximodistally to level of superficial palmar arch;     – dorsally the bursa is bordered by the middle, ring, (and ? little) finger metacarpals and palmarly by the flexor tenons and lumbricals;     – bursa functions to … Read more