Canine frisbee, or disc dog, involves repeated accelerations, changes of direction, impulses, jumps, rotations, and landings.

For some dogs, frisbee is an excellent sport for motivation and cooperation. For others, particularly certain breeds predisposed to spinal or locomotor injuries, it can be an unsuitable activity.

It is probably one of the most biomechanically demanding canine sports.

Scientific literature specifically dedicated to frisbee remains very limited. No PubMed study dedicated to disc dog injuries has been identified to date.

Current knowledge primarily comes from canine sports medicine, studies conducted on agility dogs, and work on athletic dogs.

Nevertheless, these data allow us to identify several areas of concern.

Two very different practices

Frisbee actually encompasses several disciplines.

Toss and fetch

The dog chases the disc, intercepts it, and then returns to the handler.

The main stresses are:

• acceleration;
• braking;
• impulse;
• landing.

Freestyle

Freestyle adds more complex jumps, rotations, tricks, and sometimes reliance on the handler.

The mechanical stresses then become greater, especially during landings.

In both cases, the dog performs a series of rapid foot placements, decelerations, and repeated impacts.

The shoulder: the most affected region

Studies on agility dogs show that the scapulohumeral region is one of the most frequent locations for injuries.

Cited lesions include:

• biceps brachii tendinopathies;
• supraspinatus injuries;
• medial shoulder instability;
• chronic shoulder pain.

The North American survey published in JAVMA reports a high incidence of shoulder injuries in agility dogs.

This observation seems consistent with the demands of frisbee, where the front limbs absorb a significant portion of the landings.

The repetition of impacts is probably more significant than isolated jumps.

The iliopsoas

The iliopsoas is also a classic injury in athletic dogs.

Sack's and Fry's studies show that this region is regularly affected in agility dogs.

The iliopsoas is involved in:

• impulse;
• propulsion;
• rapid extension of the hind limb;
• stabilization after exertion.

The explosive starts and repeated accelerations in frisbee directly stress this region.

Lumbar and lumbosacral region

Recent reviews on athletic dogs also report lumbar or lumbosacral pain.

Frisbee combines:

• spinal extension;
• flexion;
• torsion;
• rapid landing.

These repeated movements can heavily stress the back, especially during complex tricks or prolonged sessions.

Teeth

Dental trauma is less scientifically documented than musculoskeletal injuries.

However, publications on working dog dentistry point out that dental trauma can occur during activities involving repeated impacts.

A disc that is too rigid or unsuitable can increase this risk.

Discs designed for dogs, which are more flexible and better suited for gripping, seem to be the safest option.

Chondrodystrophic breeds

Certain breeds have a documented predisposition to intervertebral disc disease.

Studies on the FGF4 retrogene have shown a link between chondrodystrophy and an increased risk of IVDD.

Affected breeds include:

• Dachshund;
• French Bulldog;
• Corgi;
• Basset Hound;
• other chondrodystrophic breeds.

Repeated jumps, harsh landings, and spinal stress can be an additional factor in these dogs.

Frisbee is generally not recommended for breeds with a significant disc predisposition.

Most represented dogs

Frisbee competitions mainly feature:

• Border Collie;
• Australian Shepherd;
• Belgian Malinois;
• Whippet;
• other athletic dogs.

These breeds generally possess:

• good propulsion;
• high speed;
• morphology favorable to jumps;
• better mechanical tolerance.

This does not mean that they are protected from injuries.

Dogs highly invested in these disciplines remain strongly represented in populations of injured dogs.

Prevention

Several measures are consistent with current knowledge:

• flexible disc adapted to the dog;
• soft ground or grass;
• warm-up before sessions;
• gradual increase in the number of throws;
• sufficient recovery;
• monitoring for signs of fatigue.

Hard surfaces like concrete or asphalt likely increase mechanical stress.

An untrained dog should not immediately resume with large sets of jumps or long sessions.

Warning signs

Overuse injuries often appear gradually.

Monitoring is warranted in case of:

• stiffness after activity;
• subtle lameness;
• decreased engagement;
• change in landings;
• reduced vertical jump;
• difficulty turning;
• pain on palpation.

These signs may appear several hours or days after the session.

Conclusion

Frisbee is a particularly demanding sport on the musculoskeletal system.

In the absence of specific studies, data from agility help identify several sensitive areas:

• shoulder;
• iliopsoas;
• lumbar region;
• teeth.

Chondrodystrophic breeds present a particular risk profile due to their disc predisposition.

Managing training volume, surfaces, and recovery likely remains the main lever for prevention.

Sources 

1. Markley A.P., Management of Injuries in Agility Dogs, Veterinary Clinics of North America: Small Animal Practice, 2023, PMID: 36964029
2. Markley A.P. et al., Internet-based survey of the frequency and types of orthopedic injury among North American agility dogs, JAVMA, 2021, PMID: 34647477
3. Sack D. et al., Iliopsoas strain demographics, concurrent injuries, and associated factors in agility dogs, 2023, PMID: 37397635
4. Fry L.M. et al., Internet Survey Evaluation of Iliopsoas Injury in Dogs Participating in Agility Competitions, 2022, PMID: 35873675
5. Brown E.A. et al., FGF4 retrogene on CFA12 is responsible for chondrodystrophy and intervertebral disc disease in dogs, PNAS, 2017, PMID: 29073074
6. Batcher K. et al., Phenotypic Effects of FGF4 Retrogenes on Intervertebral Disc Disease in Dogs, 2019, PMID: 31181696
7. Juriga S. et al., Working Dog Dentistry, 2021, PMID: 34059256
8. Veterinary clinical dentistry sources reporting frisbee as a possible cause of dental trauma in dogs