Why Tendinopathy Happens (And Why Rest Alone Often Isn’t the Answer)
- Julia Cole
- May 25
- 4 min read
Updated: May 26
If you’ve ever dealt with persistent tendon pain — whether in the Achilles, patellar tendon, hamstring, elbow, or shoulder — you’ve probably been told some version of:
“Just rest it.”
While reducing aggravating activity can absolutely help calm symptoms temporarily, complete rest is often not the long-term solution for tendinopathy.
In many cases, tendons become painful because the demands being placed on them are greater than their current capacity to tolerate load.
The good news? Tendons can adapt and become stronger.
And one of the most evidence-supported ways to help tendinopathy is through progressive strength training and graded loading.
What Is Tendinopathy?
Tendinopathy refers to irritation or dysfunction of a tendon — the structure that connects muscle to bone.
Common examples include:
Achilles tendinopathy
Patellar tendinopathy (“jumper’s knee”)
Rotator cuff tendinopathy
Tennis elbow
Hamstring tendinopathy
Gluteal tendinopathy
Symptoms often include:
pain with loading
stiffness (especially in the morning)
pain during or after activity
reduced strength or tolerance to exercise
tenderness around the tendon
Many people describe the area as feeling “tight,” irritated, or weak.
Why Tendons Become Painful
One of the biggest contributors to tendinopathy is:
load exceeding tendon capacity.
In simple terms: The tendon is being asked to tolerate more force, repetition, or stress than it is currently prepared for.
This can happen with:
sudden increases in running volume
returning to sport too quickly
increased gym training
prolonged sitting or deconditioning
poor recovery
reduced strength capacity
abrupt changes in activity
Importantly, tendinopathy is often not caused by one single injury.
Instead, it tends to develop gradually over time.
Why Rest Alone Often Doesn’t Fix The Problem
Rest may temporarily reduce pain because the tendon is being exposed to less load.
However, if the tendon’s capacity does not improve, symptoms often return once activity resumes.
This is why many people experience a frustrating cycle:
Pain develops
They stop activity completely
Symptoms calm down
They return to activity
Pain comes back again
The tendon may feel better temporarily, but it has not necessarily become more resilient.
Tendons adapt to load.
Without appropriate loading, they often do not regain the strength and tolerance needed for sport, running, hiking, strength training, or daily activity.
Tendons Need Progressive Loading
One of the most evidence-supported approaches for tendinopathy is:
progressive strengthening.
Appropriate loading helps stimulate tendon adaptation and improve the tendon’s ability to tolerate force over time.
Depending on the tendon and stage of irritability, rehab may include:
isometric exercises
slow heavy resistance training
calf raises
split squats
eccentric strengthening
plyometrics
energy storage/loading drills
return-to-running or sport progressions
The goal is not simply to “avoid pain forever.” The goal is to gradually improve capacity.
Pain During Rehab Does Not Always Mean Damage
This is an important concept.
With tendinopathy, some discomfort during rehabilitation exercises can often be acceptable and expected.
Complete pain elimination is not always necessary before rebuilding strength.
That said, rehab should still be individualized and progressed appropriately.
Factors like:
symptom irritability
recovery response
sport demands
training history
strength levels
movement patterns
all matter when building a rehab plan.
Recovery Takes Time
Tendons typically adapt more slowly than muscles.
This means tendinopathy rehab often requires:
patience
consistency
gradual progression
load management
Many people improve significantly with a structured strength-based approach, but quick fixes are uncommon.
Consistency usually matters more than doing extreme rehab protocols.
Common Tendinopathy Mistakes
1. Resting Completely For Too Long
While short-term load reduction may help calm symptoms, prolonged unloading can reduce tendon capacity further.
2. Stretching Aggressively
Many painful tendons are already sensitive to compression and load. Stretching alone rarely addresses the root issue.
3. Returning To Activity Too Quickly
Symptoms often return when load increases faster than the tendon can tolerate.
4. Only Treating Pain Instead Of Capacity
The long-term goal is improving the tendon’s ability to handle force — not just temporarily reducing symptoms.
Tendinopathy Rehab in Victoria BC
At ProActive Therapy in Victoria BC, Athletic Therapy treatment for tendinopathy focuses on:
progressive strengthening
movement assessment
load management
return-to-running and sport progressions
improving long-term resilience
Whether you’re dealing with Achilles pain, runner’s knee, shoulder pain, or recurring tendon irritation, rehab should focus on improving the body’s ability to tolerate the demands you want to place on it.
Final Thoughts
Tendons are designed to handle load.
But like any tissue, they need time and appropriate training to adapt.
If the demands being placed on the tendon consistently exceed its current capacity, irritation and pain can develop.
Rather than only resting and avoiding movement, many people benefit from a progressive rehab approach focused on rebuilding strength, improving load tolerance, and gradually returning to activity.
Because long-term recovery is often less about avoiding load —and more about preparing the body to handle it better.
Related Resources
Looking to learn more about injury rehabilitation, strength training, and recovery? Explore these related resources from Proactive Therapy in Victoria:
Ready to start your recovery? Book an appointment with Julia at Proactive Therapy in Victoria.




