Are We Prescribing Too Much Rest After Orthopedic Surgery or Injury?Why Modern Orthopedics Is Moving Beyond "Strict Crate Rest"
- steve mehler
- Jul 9
- 5 min read
By Dr. Steve Mehler
For decades, one of the most common discharge instructions after orthopedic surgery or injury sounded something like this:
"Strict crate rest for 6 to 8 weeks."
The logic seemed straightforward.
If movement can damage healing tissues, then complete rest must be the safest approach.
But over the past 20 years, both human and veterinary medicine have taught us something surprising:
Too much rest can actually slow recovery.
Today, the goal isn't simply preventing movement—it's prescribing the right movement at the right time.
Modern rehabilitation recognizes that controlled loading is often just as important as protecting the repair itself.
Why We Prescribed So Much Rest
Orthopedic tissues need time to heal.
Bones require weeks to remodel.
Ligaments need collagen to mature.
Tendons slowly regain strength.
If too much force is placed on these tissues too early, complications can occur.
These include:
Implant failure
Fracture displacement
Ligament stretching
Delayed healing
Meniscal injury
Surgical failure
These concerns are absolutely valid.
But the opposite extreme—complete inactivity—creates its own set of problems.
The Hidden Cost of Too Much Rest
When dogs remain inactive for prolonged periods, their bodies begin changing almost immediately.
Within days to weeks, we begin to see:
Muscle Atrophy
Muscle disappears surprisingly quickly.
Even healthy dogs lose muscle mass during prolonged inactivity.
Less muscle means:
Less joint support
Reduced strength
Slower recovery
Greater instability
This is one reason veterinarians now pay close attention to Muscle Condition Score (MCS) after orthopedic injury.
Joint Stiffness
Healthy joints are designed to move.
Without motion:
Capsules tighten.
Connective tissues shorten.
Range of motion decreases.
Once stiffness develops, restoring normal movement can be challenging.
Cartilage Becomes Less Healthy
Here's something many owners don't realize:
Articular cartilage has no direct blood supply.
Unlike muscle or skin, cartilage receives nutrients primarily through the movement of synovial fluid.
Think of cartilage like a sponge.
Every time the joint compresses and unloads:
Fluid is squeezed out.
Fresh nutrient-rich fluid is drawn back in.
Without movement, cartilage receives less nourishment.
Controlled joint motion helps maintain cartilage health during recovery.
Bone Gets Weaker
Bones respond to mechanical loading.
This principle—often called Wolff's Law—states that bone remodels in response to the forces placed upon it.
Too little loading can result in:
Reduced bone density
Delayed remodeling
Slower return to full strength
This doesn't mean fractured bones should be overloaded.
It means appropriate, progressive loading helps stimulate healthy bone adaptation.
Tendons and Ligaments Lose Strength
Connective tissues require mechanical stimulation to organize collagen fibers properly.
Without appropriate loading:
Collagen fibers become less organized.
Tensile strength decreases.
Recovery may be prolonged.
The key is controlled loading, not unrestricted activity.
The Brain Is Affected Too
Recovery isn't only physical.
Dogs confined for prolonged periods may experience:
Anxiety
Frustration
Restlessness
Sleep disruption
Behavioral changes
Mental enrichment becomes an important part of rehabilitation, especially for young or active dogs.
The Difference Between Rest and Controlled Rehabilitation
This is where many owners become confused.
When veterinarians say:
"We want early movement."
They are not saying:
❌ Let your dog run.
❌ Play fetch.
❌ Chase squirrels.
❌ Jump on furniture.
❌ Race around the yard.
Instead, they mean controlled, therapeutic movement.
What Does Controlled Rehabilitation Look Like?
Depending on the injury and stage of healing, rehabilitation may include:
Short leash walks
Passive range-of-motion exercises
Weight-shifting exercises
Sit-to-stand repetitions
Balance exercises
Cavaletti rails
Underwater treadmill therapy
Therapeutic laser (when appropriate)
Manual therapy
Massage
Every exercise is selected to provide enough stimulation to encourage healing—without overloading healing tissues.
Every Injury Has Its Own Timeline
Not all orthopedic conditions recover the same way.
A dog recovering from:
TPLO surgery
Fracture repair
Tendon injury
Hip replacement
Luxating patella surgery
Spinal surgery
will each have different rehabilitation protocols.
There is no single schedule that works for every patient.
That's why rehabilitation should always be individualized.
The Goldilocks Principle
One of my favorite ways to explain rehabilitation is the Goldilocks Principle.
Too much activity...
...can damage healing tissues.
Too little activity...
...can delay recovery.
The goal is finding the amount of movement that's just right.
That amount changes every week as healing progresses.
Why Rehabilitation Starts Earlier Than It Used To
Years ago, rehabilitation often began only after tissues had completely healed.
Today, many rehabilitation specialists start selected exercises much earlier.
Why?
Because early controlled movement can:
Preserve muscle
Maintain joint mobility
Reduce swelling
Improve circulation
Decrease pain
Improve proprioception
Speed return to function
Modern rehabilitation isn't about doing more.
It's about doing the right things earlier.
Pain Control Makes Movement Possible
Dogs won't use painful limbs normally.
That's why effective pain management is essential.
A multimodal approach may include:
NSAIDs
Opioids (when appropriate)
Local anesthetics
Anti-NGF monoclonal antibodies
Physical rehabilitation
Cryotherapy
Weight management
Comfortable dogs move better.
Better movement supports better healing.
Muscle Is Medicine
One of the biggest changes in rehabilitation science is recognizing that muscle is much more than tissue that moves the body.
Muscle is an endocrine organ.
When muscles contract, they release myokines—chemical messengers that help regulate:
Inflammation
Metabolism
Immune function
Bone health
Brain health
Every safe rehabilitation exercise doesn't just preserve strength.
It creates beneficial biochemical signals throughout the body.
What Owners Can Do at Home
Owners play an enormous role in successful recovery.
Helpful strategies include:
✅ Follow your surgeon's rehabilitation plan.
✅ Perform prescribed home exercises.
✅ Prevent jumping and rough play.
✅ Keep your dog lean.
✅ Maintain excellent pain control.
✅ Attend rehabilitation appointments if recommended.
Healing is rarely passive.
It's an active process requiring teamwork.
The Bottom Line
The days of prescribing prolonged, complete rest after every orthopedic injury are fading.
While protecting healing tissues remains critically important, modern research has shown that appropriate, controlled movement is an essential part of recovery.
The goal isn't to choose between rest and exercise.
It's to prescribe the right movement at the right stage of healing.
Too much activity can jeopardize a repair.
Too much rest can delay recovery.
The best outcomes occur somewhere in the middle—where healing tissues are protected while muscles, joints, cartilage, bones, and the nervous system continue receiving the stimulation they need to recover.
In orthopedic rehabilitation, movement isn't the enemy.
Uncontrolled movement is.
And when movement is carefully prescribed, it becomes one of the most powerful treatments we have.
References
Millis DL, Levine D. Canine Rehabilitation and Physical Therapy. 3rd ed. Elsevier; 2022.
Levine D, Millis DL, Marcellin-Little DJ, Taylor R. Rehabilitation and Physical Therapy for the Neurologic and Orthopedic Patient. Veterinary Clinics of North America: Small Animal Practice. 2005;35:1387–1409.
Monk ML, Preston CA, McGowan CM. Effects of Early Controlled Exercise Following Tibial Plateau Leveling Osteotomy in Dogs. Veterinary Surgery. (Evidence supporting early controlled rehabilitation after TPLO.)
American College of Veterinary Sports Medicine and Rehabilitation (ACVSMR). Clinical rehabilitation recommendations for postoperative orthopedic patients.
Wolff J. The Law of Bone Remodeling (Wolff's Law). Foundational principle describing bone adaptation to mechanical loading.
Pedersen BK, Febbraio MA. Muscle as an Endocrine Organ: Focus on Muscle-Derived Myokines. Physiological Reviews. 2008;88:1379–1406.
Epstein ME, Rodan I, Griffenhagen G, et al. 2022 AAHA Pain Management Guidelines for Dogs and Cats. Journal of the American Animal Hospital Association. 2022.
Drum MG. Principles of Postoperative Rehabilitation in Small Animal Orthopedic Patients. Veterinary Clinics of North America: Small Animal Practice.
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