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DO CATS HAVE KNEES AND ELBOWS?

4/5/2022

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Unraveling Feline Anatomy

Cats, with their graceful and agile movements, often mesmerize us with their unique posture and gait. As they move about, a common query that may arise for curious observers is: Do cats have knees and elbows like humans? Yes, cat knees and elbows differ from human ones. Let's delve into the fascinating world of feline anatomy to uncover the answer. 

A Brief Overview of Feline Skeletal Anatomy

​To understand whether cats have knees and elbows, we first need a basic grasp of their skeletal structure. Cats, like humans, belong to the class Mammalia, which means they share some general skeletal characteristics with us and other mammals. But there are unique features and adaptations in cats that make them the agile and efficient predators they are.

The Feline Forelimb: Elbows and More
Starting at the front of the cat, let's consider the forelimbs. These limbs are designed primarily for grabbing prey and climbing.


  1. Humerus: This is the bone of the upper front limb, equivalent to our upper arm bone. It connects the shoulder blade (scapula) to the lower front limb bones.
  2. Radius and Ulna: These are the two bones of the lower front limb, similar to our forearm bones.
  3. Elbow Joint: The joint where the humerus meets the radius and ulna is, in fact, the cat's elbow. So, yes, cats do have elbows! This joint allows for the bending and extending motions cats use when stretching or reaching for something.

The Feline Hindlimb: Knees in the Mix
Moving to the hindquarters, the legs are primarily designed for propulsion, helping cats to jump great heights and sprint quickly.
  1. Femur: The upper bone of the hind limb, similar to our thigh bone.
  2. Tibia and Fibula: The lower hind limb bones, comparable to our shin bones.
  3. Knee Joint: The joint where the femur meets the tibia is the cat's knee. So, cats indeed have knees! Moreover, just like in humans, their knees have a patella (or kneecap) which aids in joint movement and protection.

Cats Bone Diagram (Knee and Elbow):

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Subtle Features That Can Be Confusing

Dewclaws and 'Wrist' Joint: Cats have a 'wrist' joint located some way up their front leg, which can sometimes be mistaken for an elbow. Right above this joint, you might notice a rudimentary thumb, known as the dewclaw.

Hock or Ankle: At the back, where you might think a cat's knee is, is actually an ankle joint or 'hock'. The real knee is higher up and less visible beneath the fur and muscle.​

CATS RUNNING MOTION (click on image to play): 

Why is Feline Anatomy Important for Cat Owners?

Understanding the basic skeletal structure of cats isn’t just for vets or biology enthusiasts. Here's why it's beneficial for cat owners:
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  1. Injury Identification: Knowing where and what the knee and elbow are can help in quickly identifying if your cat has a possible joint injury or if they're favoring a particular limb.
  2. Better Care: An understanding of feline anatomy can enhance grooming, handling, and even playing techniques.
  3. Communication with Vets: If you ever need to discuss your cat's health with a vet, having a basic understanding can make communication more precise.

Ways to Keep Your Cat's Knees Healthy

Cats are agile creatures, and their knees play a crucial role in their ability to jump, land, and sprint. However, just like humans, cats can suffer from joint issues as they age or if they experience injuries. Ensuring the health and longevity of your cat's knees is vital for their overall well-being and quality of life. Here are some strategies to help maintain those feline knees in prime condition:

Balanced Diet:
  • Weight Management: Overweight cats are more prone to joint problems because of the extra strain on their knees. Ensure your cat maintains a healthy weight with a balanced diet.
  • Joint Supplements: Glucosamine and chondroitin are common joint supplements that can help maintain cartilage health in feline joints. Always consult your vet before introducing any supplements.

Regular Exercise:
  • Interactive Play: Engage your cat in interactive play sessions using toys like feather wands or laser pointers. This promotes agility and strengthens muscles supporting the knees.
  • Climbing Opportunities: Cat trees or wall-mounted cat shelves can encourage vertical movement, which can be beneficial for joint health.

Safe Landing Zones:
  • Soft Landings: Place soft mats or cushions in areas where your cat likes to jump down, like from a windowsill or countertop. This reduces the impact on their knees.
  • Accessibility: Ensure that frequently visited places are easily accessible. For older cats, consider using pet stairs or ramps.

Regular Check-ups:

  • Veterinarian Visits: Regular check-ups can identify potential joint issues early on. Early detection often leads to more effective interventions.
  • Massage and Physical Therapy: Some vets offer or can recommend feline physical therapy or massage services, which can be beneficial for joint health.

Environmental Considerations:

  • Avoid Slips: Slippery floors can be hard on joints and can lead to injuries. Place rugs or mats on slippery surfaces, or consider keeping your cat out of such areas.
  • Warmth: Cold can exacerbate joint pain. Ensure your cat has a warm place to rest, especially during colder months.

Monitor for Signs of Discomfort:

  • Behavioral Changes: Watch for signs of discomfort, such as limping, hesitance to jump, or reduced activity levels.
  • Physical Signs: Swelling or heat around the knee joint can be signs of inflammation or injury.

Proper Handling:
  • Support: When lifting your cat, ensure you're supporting both their front and hindquarters. Avoid putting unnecessary strain on any part of their body.
  • Be Gentle: Be cautious when playing or interacting with your cat not to twist or put undue pressure on their legs.

Hydration:

  • Fresh Water: Always ensure your cat has access to fresh water. Proper hydration is essential for joint health as it ensures the synovial fluid, which lubricates joints, is maintained.

Mind Their Age:

  • Senior Cats: As cats age, their joints naturally wear down. Be especially vigilant about joint care with older felines. Adjust their environment as needed to accommodate any mobility limitations.

Avoid Injuries:
  • Safe Environment: Reduce the risk of injuries by ensuring your home environment is safe. This includes securing windows to prevent high falls or removing potential trip hazards.

​In summary, maintaining your cat's knee health involves a blend of diet, exercise, environment, and regular health check-ups. As always, if you suspect any issues with your cat's knees or joints, it's crucial to consult with a veterinarian. A proactive approach can ensure that your feline friend remains agile and pain-free throughout their life.

conclusion

So, do cats have knees and elbows? Absolutely! While their anatomy is specialized to fit their lifestyle as agile hunters, many skeletal features are reminiscent of other mammals, including humans. As we watch our feline friends stretch, jump, and play, we can appreciate the intricate design of their bodies that allows for such grace and precision. Understanding these nuances not only satiates our curiosity but also empowers us to care for our pets more effectively.
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​At Love4Cats, our practice involves consistent collaboration with licensed veterinarians and reputable industry experts. However, it's important to note that the content provided on Excited Cats is not intended as veterinary advice. While we strive to enhance your understanding of feline care, the information presented on this blog should not replace professional veterinary guidance.
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  • Home
  • Blog
    • GROOMING & CARE
    • GENERAL CAT INFO
    • CATS CAN EAT WHAT?
  • BLOG-GUEST SPOT
    • Short Story Series: Whiskers' Adventures