How to Keep Your Dog’s Muscles in Top Shape
A healthy and happy dog – that’s what we all want! Especially if you have an active breed, such as a working dog or a hunting dog, exercise is essential. Maybe you even want to do sports with your dog. But what else is important to get and keep your dog’s muscles in top condition?
Magnesium
Feeding

5 September '25 • 2 min reading time
When your dog is physically fit, has enough muscle mass, and good stamina, he will be happier, more energetic, and have a stronger immune system. The risk of injuries is also lower when your dog is well-muscled. Dogs that exercise regularly and are challenged by training are usually more obedient and less stressed. So there are plenty of reasons to pay attention to your dog’s muscles and overall fitness.
Physical Exercise
Regular exercise is essential for keeping your dog’s muscles and joints healthy. Daily walks, play, and running help build muscle mass and keep your dog flexible. Depending on breed, age, and energy level, activities can range from calm walks to intensive agility training. If you want to train more intensely or even do sports with your dog, always build it up gradually and take breed and age into account. Working dogs need much more exercise than “lap dogs” and are built for it. Younger dogs that are still growing and older dogs can be more easily overworked, so extra care is needed. Always include enough rest for a good training effect.
Walking, Playing, and Swimming
To improve your dog’s flexibility and use all muscle groups, variety in exercise is important. For example: one day a long walk, the next day playing with a ball or with other dogs at a dog park, and another day a swim in a pond or lake. Swimming is an excellent exercise for older dogs too, as it strengthens muscles without straining the joints. Agility training also helps improve your dog’s flexibility and body awareness.
Good Nutrition
Good nutrition is vital for healthy muscles and joints. A balanced diet rich in high-quality proteins and essential amino acids supports muscle building and recovery. Omega-3 fatty acids (such as from salmon oil) have anti-inflammatory effects and aid recovery. Vitamins like E and C are important for connective tissue health and neutralizing free radicals. It’s crucial to choose food that matches your dog’s life stage and activity level. Avoid obesity at all costs, as extra weight puts unnecessary strain on the joints and can lead to wear and tear.
Magnesium
Magnesium is essential for proper muscle function and muscle development. If your dog often has stiff muscles, twitches, or cramps, a magnesium supplement may help. Magnesium plays a key role in muscle control, especially relaxation. A deficiency not only causes muscle problems but can also lead to anxiety and stress. Young dogs lacking magnesium may also grow less well. If you want to give a supplement, pay attention to the form: liquid magnesium chelate is best absorbed. Look for supplements that also contain vitamin B2, B6, B12, tryptophan, and zinc, as these aid in magnesium absorption and energy metabolism.
Sources:
M.L. Morris, W.R. Featherston, P.H. Phillips, S.H. McNutt. Influence of Lactose and Dried Skim Milk upon the Magnesium Deficiency Syndrome in the Dog: II. Pathological Changes, The Journal of Nutrition, Volume 79, Issue 4, 1963, Pages 437-442, ISSN 0022-3166. https://doi.org/10.1093/jn/79.4.437
Sarah Humphrey, Rebecca Kirby, Elke Rudloff. Magnesium physiology and clinical therapy in veterinary critical care. 26 November 2014 https://doi.org/10.1111/vec.12253
Bunce, G.E.. The mineral requirements of the dog. 3. The magnesium requirement. Journal of Nutrition. 1962, Vol 76 pp 17-22. https://www.cabdirect.org/cabdirect/abstract/19621406490