The implications of superficial digital flexor tendonitis in the National Hunt racehorse

Every time the horses hoof comes into contact withThe horse should be removed from work to prevent
the ground, the tendon is required to stretch. At speedany additional, potentially damaging, overloading of the
or over jumps this is increased up to 8cm, (Nankervislimb. Healing rates for tendon injuries will vary
2002). The tenocytes within the extra cellular matrixdependant on severity.
run parallel to one another. The ability to aid cellA survey carried out by Hertsch et al claimed that
realignment will aid the functional capabilities of the78% of all horses treated returned to work within 4 - 6
tendon after injury.months. This trial did not record lesion size or severity.
Tendon elasticity and its ability to function as an energyThe need for this continual rehabilitation of tendons is
efficient spring, is vital for optimum performance in thecrucial for the horse and their ability to return to racing.
National Hunt racehorse. Tendonitis can be caused byTendons require rest to remodel but exercise in order
a trauma or by the repetitive overloading, for exampleto retain their elastic qualities.
a galloping horse, of the flexor tendons in the caudalDespite treatment, tendon repair is prolonged in horses
aspect of the distal limb. Inflammation can be acute orand the composition, structure and function of the
chronic, both resulting in the horse not being sound formature repair tissue may never equal that of an
exercise. Signs of tendonitis include swelling, pain, anduninjured tendon, (Heinninger; 1994). The potential for
lameness. The ability to offer immediate first aid canre-injury is much greater once a tendon injury has
influence the prognosis for future performance, asbeen sustained, (Heinninger; 1994) which can, if the
tendonitis is a potentially serious career compromisingmanagement and approach to future performance is
disease, (Palmer et al; 1994) first aid should be offerednot sympathetic to this, cause major compromise to
immediately to enhance the rate and quality of repair (the future career of the National Hunt racehorse.