Diabetes-Related Musculoskeletal Conditions
Frozen shoulder, hand stiffness and carpal tunnel syndrome are more common in people with diabetes. Diabetes can also affect healing and the nerves in the feet, changing sensation and balance. This page explains these different problems and how exercise and rehabilitation can be adapted alongside care from your diabetes team.
Key points
- What usually helps
- Depends on the problem: movement work for a stiff shoulder, hand care for carpal tunnel, balance and foot protection for the feet.
- What you can do now
- Check your feet every day. Plan exercise around your blood sugar.
- How long it takes
- No single timeline. A stiff shoulder can take many months with diabetes.
- When to see a doctor first
- Some signs need emergency care. Check the list before you start treatment.
Symptoms
Does this sound like you?
- Shoulder pain and stiffness that build over weeks or months, making it hard to reach overhead, reach behind your back or sleep (frozen shoulder)
- Numbness, tingling or burning in the feet, often worse at night (peripheral neuropathy)
- Numbness or tingling in the thumb and first fingers that often wakes you at night (carpal tunnel syndrome)
- Stiff fingers that will not fully straighten, or a hand that will not lie flat on a table
- A finger that catches or locks when you bend it (trigger finger)
These problems often come on gradually and can affect both sides. They are different conditions with different plans, so the first step is working out which one, or which combination, you have.Book an assessment for diabetes-related musculoskeletal conditions
When to see a doctor first
Go to emergency
Chest pain, pressure, unusual breathlessness, or feeling faint during or after exercise
Stop exercising and call 911
A low blood sugar you cannot treat yourself: severe confusion, being unable to swallow safely, a seizure, or passing out
Someone should call 911 now. If you have prescribed glucagon and they know how to use it, they should give it. Nothing should be given by mouth to someone who cannot swallow safely
A new sore, blister or ulcer on the foot, or redness, warmth, swelling or discharge around a wound
See your doctor or foot care team within 24 hours. Go to emergency now if you also have a fever or feel unwell
Deep or fast breathing, marked drowsiness or confusion, or repeated vomiting with stomach pain, especially if glucose or ketones are high
Go to emergency now. These can be signs of diabetic ketoacidosis, which can happen even when glucose is not high. Do not delay care to check ketones. Call 911 if the person is difficult to wake or cannot travel safely
Get seen today
A warm, red, swollen foot or ankle, or a sudden change in the shape of the foot, especially with reduced feeling
See your doctor the same day and keep weight off the foot. This can be Charcot foot
Blood sugar that is very high or swinging widely, or ketones on a home test
Do not exercise. Follow your diabetes team's plan for high readings and contact them right away. If you cannot reach them and your sugar stays very high or ketones are high, go to emergency
Check with your doctor
Shakiness, sweating, a pounding heart, sudden hunger or mild confusion during or after exercise
Stop, check your blood sugar and treat a low as your diabetes team has advised. Do not restart that session
Treatment
How it is treated
Main approach. Treatment depends on which problem you have: movement and strengthening work built up in steps for a stiff shoulder, nerve and hand care for carpal tunnel, and balance, strength and foot protection when feeling in the feet is reduced. Physiotherapy focuses on movement and daily function, while your diabetes team manages blood sugar, medication and related medical care.
Alongside it. Regular aerobic and strength exercise is recommended for most people with diabetes (Colberg and colleagues, Diabetes Care 2016), planned around your blood sugar readings, your medication and any foot or eye problems.
A typical rehabilitation progression
Three phases, from settling symptoms to returning to full activity.
Recovery from diabetes-related musculoskeletal conditions is usually staged: calm the symptoms first, then rebuild the strength and capacity of the area, then return to your full activities. The phases below show how that can progress.
Phase 1A Safe Start and Easing Symptoms
Find a safe starting point that respects how irritable the sore area is, how steady your blood sugar is, and any nerve or foot problems, such as reduced feeling in the feet (). Early sessions are about building confidence in moving, not doing as much as possible. Coordination with your medical team happens here, where relevant.
Example exercises
- Light exercise that raises your breathing (aerobic exercise), 20 to 30 minutes most days, guided by the 2016 recommendations from Colberg and colleagues in Diabetes Care, starting at an effort that feels easy to moderate
- Gentle movement work for the affected area, such as letting the arm swing gently (pendulum exercises) and supported turning of the arm outward (external rotation) for frozen shoulder
- Foot checks and a look at your shoes at every session if you have reduced feeling in the feet (peripheral neuropathy)
- Holding muscle contractions without moving the joint ( exercise) and light resistance work, to start loading without setting off a flare
- Keeping an eye on your blood sugar around sessions, with snacks and fluids as advised by your medical team
Possible progression milestones
Coming regularly with symptoms you can tolerate, steady blood sugar around exercise, no new concerns about the skin on your feet, and a clear sense of which movements are easy, manageable and off-limits for now.
Phase 2Building Strength Step by Step
Build strength and movement with load that increases in small, predictable steps. Tissue in people with diabetes often adapts more slowly, so the steps are a little more cautious but still deliberate. Strengthening exercises are central, not optional.
Example exercises
- Strength training 2 to 3 times a week, covering the main movement patterns, with the load increased over weeks to months
- Shoulder movement and strengthening of the (the deep muscles that steady the shoulder) for frozen shoulder, with in clinic when needed
- Hand and forearm strengthening for and stiff hands, focused on how long you can keep gripping rather than your strongest single grip
- Balance and single-leg work for reduced feeling in the feet (peripheral neuropathy), starting with support and progressing as far as is safe
- Aerobic exercise building toward 150 minutes a week of moderate activity, following American Diabetes Association (ADA) guidance, spread across most days
Possible progression milestones
Clear gains in strength, movement or what you can manage day to day over 4 to 6 weeks, no repeated flare-ups, no new skin problems on the feet where relevant, and growing confidence using the affected area in daily tasks.
Phase 3Keeping It Going Over the Long Term
Turn what you have built into an exercise habit that keeps supporting blood sugar control, tissue health and function over the long term. For many people with diabetes, rehab does not simply end; it becomes ongoing maintenance.
Example exercises
- Ongoing strength and aerobic exercise in line with the ADA and Colberg recommendations, reviewed every few months
- Continued attention to foot health, shoes and daily foot checks if you have reduced feeling in the feet
- Returning to the specific tasks of your work, hobbies or sport with a plan that builds up load in steps
- Planned check-ins to adjust the program as your health, medications or life demands change
- Coordination with your diabetes team so that changes in blood sugar control or medication are reflected in the exercise plan
Possible progression milestones
An exercise routine you can keep up on your own, clear signs of when to check in with your physiotherapist or medical team, and function that matches the goals set at the start of care.
What you can do now
- Check your feet every day. If feeling in your feet is reduced, look at them every day for blisters, cuts, redness or swelling. Wear well-fitting shoes and socks, including for exercise.A new sore, blister or ulcer, or redness, warmth, swelling or discharge around a wound, needs your doctor or foot care team within 24 hours. Go to emergency now if you also have a fever or feel unwell. A warm, red, swollen foot or ankle, or a sudden change in the shape of the foot, needs your doctor the same day; keep weight off the foot.
- Plan exercise around your blood sugar. If your diabetes team has advised it, check your blood sugar before and after exercise, and keep fast-acting sugar with you if you use insulin or a medication that can cause lows. Have snacks and fluids around exercise as your team advises.Do not exercise if your blood sugar is very high or swinging widely, if a home test shows ketones, or if a high reading comes with feeling unwell; follow your diabetes team's plan for high readings and contact them right away. If you feel shaky, sweaty, suddenly hungry or mildly confused, or your heart pounds, during or after exercise, stop, check your blood sugar and treat a low as your diabetes team has advised, and do not restart that session.
- Build light aerobic exercise into most days. Start with 20 to 30 minutes of light exercise that raises your breathing, most days, at an effort that feels easy to moderate. If feeling in your feet is reduced, start below the level that brings on symptoms.Chest pain, pressure, unusual breathlessness or feeling faint during or after exercise means stop exercising and call 911.
- Keep a stiff shoulder or hand moving gently. Gentle, regular movement helps a stiff shoulder or hand hold on to the range it has while treatment builds on it. For frozen shoulder, this can include letting the arm hang and swing gently (pendulum exercises).Avoid forcing a painful, stiff shoulder to the end of its range.
Recovery
How long it takes
There is no single timeline. Frozen shoulder can take longer to settle in people with diabetes, often many months. Carpal tunnel and trigger finger symptoms vary, and some need a medical or surgical opinion. Nerve changes in the feet are managed over the long term rather than cured: the aim is staying active safely, with good balance and protected feet.
What changes the timeline
- Which problem, or combination of problems, you have
- How long the symptoms have been there
- Other health conditions and medications
- Reduced feeling in the feet, which changes how exercise is planned
Related problems
Problems this page covers
- Adhesive Capsulitis (Frozen Shoulder) in Diabetes
- The shoulder loses movement in every direction, whether you lift the arm yourself or someone else moves it, especially turning the arm outward, and it stops with a firm, tight feel. It is notably more common in people with diabetes than in the general population, and in diabetes it often affects both shoulders and is harder to treat. Pain is the main problem early on, and stiffness later.
- Diabetic Peripheral Neuropathy
- Burning, tingling or numbness on both sides, in the feet and lower legs and sometimes the hands (a 'stocking and glove' pattern), worse at night. Testing shows reduced feeling to a fine nylon filament pressed on the skin (monofilament test) or to vibration. Balance and the sense of where your feet are may be reduced, which raises the risk of falls and foot ulcers. It is managed alongside medical care for blood sugar, not as a joint or muscle problem on its own.
- Carpal Tunnel Syndrome in Diabetes
- Numbness and tingling in the thumb, index, middle and half of the ring finger, often worse at night. Holding the wrist bent, or tapping over the nerve at the wrist, brings on the tingling (Phalen or Tinel sign). It is more common in diabetes. When nerve changes in the feet and hands (peripheral neuropathy) are also present, the symptoms can be unusual and the examination findings mixed.
- Dupuytren's Disease
- Painless lumps and cords in the palm that can slowly pull fingers into a bent position they cannot straighten (contractures), most often the ring and little fingers. More common in people who have had diabetes for a long time. Stretching alone does not meaningfully help, and medical or surgical input is often needed once it limits what the hand can do.
- Limited Joint Mobility Syndrome / Diabetic Cheiroarthropathy ('Stiff Hand')
- Painless stiffness in the small joints of the fingers, often with thick, waxy skin on the backs of the hands. When you press your palms together as if praying, the palms and fingers cannot meet fully (the prayer sign). Strongly linked with diabetes that is long-standing or poorly controlled.
- Trigger Finger (Stenosing Tenosynovitis)
- A finger that catches or locks painfully as you bend it, with a tender lump in the palm at the base of the finger (at the A1 pulley). More common in people with diabetes and often affects several fingers. Splinting and steroid injections work less reliably than in people without diabetes.
Questions
What patients ask me most
Why does diabetes cause so many musculoskeletal problems?
When blood sugar stays high over time (chronic hyperglycaemia), sugar binds to collagen and links its fibres together (glycation), which makes connective tissue stiffer and slower to rebuild. Add in changes in blood flow through the small blood vessels and in nerve function, and the result is a higher rate of stiff, painful tissue conditions, particularly in the shoulder and hand. Tissue healing after any musculoskeletal injury also tends to be slower when blood sugar is poorly controlled.
Is frozen shoulder really more common in diabetes?
Yes. A 2016 meta-analysis by Zreik and colleagues estimated roughly 13 percent prevalence of frozen shoulder in people with diabetes, compared with around 5 percent in the general population. Frozen shoulder in diabetes often affects both shoulders, is harder to treat, and lasts longer. That does not mean rehab does not work, but expectations around timeline need to be realistic.
Can physiotherapy help diabetic peripheral neuropathy?
Physiotherapy does not reverse nerve damage, but it plays a real role in fall prevention, balance, strengthening, and helping you stay active safely. The ADA position statement by Pop-Busui and colleagues in Diabetes Care 2017 supports regular exercise for people with diabetic neuropathy, with attention to footwear, skin checks, and starting below the level that brings on symptoms. Working alongside your diabetes team is important.
Should I exercise if my blood sugar is not well controlled?
Generally yes, with some sensible adjustments. Colberg and colleagues' 2016 position statement in Diabetes Care supports regular aerobic and resistance training for most people with diabetes, because exercise can help blood sugar control, heart health and musculoskeletal function. Do not exercise when blood sugar is very high or swinging widely, when a home test shows ketones, or when a high reading comes with feeling unwell; follow your diabetes team's plan for high readings and the warning signs listed on this page. Any new foot sore or unusual symptom needs a medical review.
Why is my hand stiff and clawing, even though it does not hurt?
That pattern is often limited joint mobility syndrome or Dupuytren's disease, both of which occur more frequently in people with longstanding diabetes. Stretching alone rarely reverses fingers that are already fixed in a bent position (contractures). I focus on preserving the function you have, managing grip and dexterity for daily tasks, and flagging when medical or surgical input is appropriate.
Will my rehab take longer because I have diabetes?
Often yes. Sugar-stiffened collagen (glycation) and slower healing mean tissues can take longer to adapt to loading, and frozen shoulder in diabetes in particular tends to run a longer course. Knowing this up front helps set a realistic plan rather than feeling like progress is stalling. Consistency with both rehab and blood sugar control tends to move things in the right direction over months, not weeks.
Do I need referrals from my diabetes doctor before starting physio?
In Ontario, a referral is not required to see a Registered Physiotherapist. That said, when diabetes is part of the picture, co-management with your family physician, endocrinologist, or diabetes nurse is valuable, particularly around foot care, blood sugar targets, and medication adjustments if exercise is changing. I am happy to communicate with your medical team.
What red flags should I watch for in my feet?
New foot ulcers, persistent redness or warmth, sudden unexplained swelling of the foot or ankle, or a sudden change in foot shape warrant urgent medical review, not physiotherapy first. These can signal infection or Charcot foot (Charcot neuroarthropathy), both of which are more common when peripheral neuropathy is present. Daily foot checks and well-fitting footwear are sensible baseline habits.
The science
The Science of Diabetes-Related Musculoskeletal Conditions
Sustained elevation of blood glucose changes the behaviour of , the main structural protein in tendon, joint capsule and . Sugars bind to collagen and form cross-links between fibres, a process that makes connective tissue stiffer and less able to glide and lengthen. Because this affects tissue throughout the body, it produces a recognisable cluster of musculoskeletal presentations rather than a single condition.
The shoulder is the most frequently affected site, and occurs considerably more often in people with diabetes than in those without. In the hand, the same process contributes to trigger finger, Dupuytren's contracture, and a general reduction in finger extension sometimes described as limited joint mobility. Tendon problems elsewhere are also more common.
Two further factors compound the picture. Changes in the small blood vessels can slow tissue healing, so recovery timelines are often longer than expected. And where peripheral nerve involvement has developed, altered sensation changes how load is detected, which affects both injury risk and the feedback available during rehabilitation.
Contributing factors
Duration of diabetes and long-term glycaemic control are more relevant to musculoskeletal risk than the type of diabetes. The relationship is not absolute, and many people with well-controlled diabetes have no connective tissue involvement at all, but the association is consistent enough to be worth accounting for in assessment.
Practically, this changes how rehabilitation is paced rather than what it consists of. Stiffness responds to sustained, tolerable loading rather than aggressive stretching, and progressions are typically slower because tissue adaptation takes longer. Setting expectations about timeframe at the outset tends to make the process considerably easier.
Where reduced foot sensation is present, skin checks and footwear review become part of the picture, and load is monitored more closely because the usual pain feedback is less reliable. Medical management of diabetes itself remains with your physician; physiotherapy addresses the joint, tendon and movement consequences alongside it.
Related Conditions
Conditions I commonly see alongside, or confused with, this one.
Carpal Tunnel Syndrome
Diabetes is a recognised risk factor for carpal tunnel syndrome
Plantar Fasciitis & Heel Spurs
Plantar fascia problems are more common and slower to settle with diabetes
Achilles Tendinopathy / Tendinitis
Tendon structure changes with diabetes, so Achilles problems are more common and slower to settle
Knee Osteoarthritis
Metabolic factors add to joint load and inflammation in knee osteoarthritis
Rotator Cuff Injuries
Getting back to it
Physiotherapy for diabetes-related musculoskeletal conditions, built around the activity you want back.
