Ortho Oracle - orthopaedic operative atlas

Flexor Pollicis Brevis

    – Origin:     – superficial head: distal border of the flexor retinaculum;     – greater multangular bone tuberosity of the trapezium bone deep head;     – trapezoid and capitate bones; – Insertion: base of the proximal phalanx of the thumb; – Action:     – flexes proximal phalanx of the … Read more

Flexor Digiti Minimi Brevis

origin: hamulus of the hamate bone and flexor retinaculum; insertion: ulnar side of the base of the proximal phalanx of 5th finger; action: flexes 5th digit at the metacarpophalengeal articulation; synergists: FDS, FDP, opponens digiti minimi; nerve supply: ulnar nerve: C8, T1; – Discussion:     – flexor brevis digiti minimi lies on volar surface … Read more

Flexion and Extension Spaces

– See:        – TKR Menu                – Flexion Contracture of TKR                – Flexion Gap / Extension Gap                – Joint Line Position               – Valgus Deformity  / Varus Deformity – Discussion:     – first: Malalignment should always be corrected first;     – second: soft tissue adjustments which … Read more

Flexion Contracture of TKR

– See: TKR Menu – Discussion:     – soft tissue component is most frequently a result of of contracture of posterior capsule, but gastrocnemius, hamstrings, and PCL               are also frequently involved;     – references:              – Flexion Contracture Following Primary Total Knee Arthroplasty: Risk Factors and Outcomes     – Preoperative Considerations:            … Read more

Finkelstein’s test and the Grind Test

– Finkelstein’s test:     – ask patient to make a fist over his thumb, and ulnarly deviating wrist     – sharp pain at this site is produced by active extension and abduction of the thumb against resistance; – Differential Diagnosis:      – DeQuervain’s tenosynovitis must be differentiated from degenerative arthritis & trapeziometacarpal joint; … Read more