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Lameness exams

Lameness exams. Pg 143-147 321-327. Reasons for lameness Pain- Mechanical interference without pain Neurological lameness. Lameness Examination. Components of Examination. History Observation- Evaluation at rest- toe touching, or able to bear weight Evaluation in motion

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Lameness exams

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  1. Lameness exams Pg 143-147 321-327

  2. Reasons for lameness Pain- Mechanical interference without pain Neurological lameness Lameness Examination

  3. Components of Examination History Observation- Evaluation at rest- toe touching, or able to bear weight Evaluation in motion Palpation- feel for heat, or feel for tenderness in the foot Local anesthesia Further diagnostic evaluation

  4. Gait evaluation • Easiest to detect at a trot • Small circles accentuate lameness • Left vs. right • Flexion of fetlock • Head bobbing- up with forelimb, down with hind limb • Stride length • Shoe ware

  5. Lameness grade 0-5 • 0- not perceptible under any circumstance • 1- difficult to observe, inconsistent, regardless of circumstance • 2- difficult to observe at walk and trot on straight line, but apparent consistently under certain circumstances (circle, incline, hard surface) • 3- consistently observable at trot under all circumstances • 4- obvious at walk • 5- inability to move- non-weight bearing

  6. Carpal Flexion Test

  7. Inspection and Assessment of Foot Conformation and Shoeing

  8. HOOF WORK

  9. Examination of the hoof using Hoof Tester • The testers are applied between the hoof wall and the sole to find whether pain is present

  10. Examination of the hoof using Hoof Tester • The hoof testers are being applied across the heels of the foot to localize pain to the palmar aspect of the foot

  11. Examination of the hoof using Hoof Tester • The hoof testers are applied over the middle third of the frog. Horses with pain in the navicular region may show pain on application over this area

  12. Hoof hammer • Tapping of the hoof wall with a hammer, whit the hoof on the ground. Sometimes this will reveal pain when the use of the hoof testers does not

  13. http://www.youtube.com/watch?v=ICOtTMEuCxY

  14. Other diagnostics • Nerve block • Thermography • Radiography • Ultrasound • Bone scan • Magnetic resonance imaging • Nuclear scintigraphy • Tomography • Arthrocentesis

  15. 2 classifications for lameness • Supporting limb lameness • swinging limb lameness • mixed lameness • complementary/compensatory lameness • Predisposing factors- shoeing, disease, faulty conformation, poor condition, poor hoof care • Trauma- trailer, accidents, kicks by another horse, incoordination (cross-fire)

  16. Unsoundness • Laminitis • Bruised soles/abscesses • Navicular Syndrome • Quittor • Cracks • Seedy toe • Side bone • Bucked shins • Sweeney • Bone Spavin • Stringhalt • Ringbone • Sesamoiditis • Osselets • Carpal Hygroma • Bowed Tendon • Patellar Luxation • Physitis • Subchondral Cystic Lesions Blemishes • Curb • Windpuffs • Bog Spavin • Capped Hock • Thoroughpin • Shoe Boil • Splints • Grease Heal (scratches)

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