Written By: Chloe Wilson BSc (Hons) Physiotherapy
Reviewed By: SPE Medical Review Board
Triceps tendonitis develops due to inflammation in the tendon that attaches the triceps muscle to the back of the elbow, causing pain in the elbow and upper arm.
Also known as "triceps tendinitis", "triceps tendinopathy" or "Weightlifters Elbow", triceps tendonitis is actually one of the least common types of arm tendonitis, much less prevalent that biceps tendonitis for example.
Typically caused by overuse activities from repetitive elbow extension, triceps tendonitis results in pain, swelling and tenderness around the elbow.
Here we look at the common causes and risk factors, typically symptoms, how it is diagnosed and the best triceps tendonitis treatment options to ensure a full recovery from Weightlifters elbow.
Triceps brachii, more commonly referred to as just “triceps” is a three-headed muscle, arising from three points at the shoulder:
The three heads of triceps brachii extend down the back of the upper arm forming the triceps tendon, a tough, flexible band of connective tissue that attaches just below the elbow to the back of the olecranon process.
Triceps brachii is the only muscle found on the back of the upper arm. The main function of triceps brachii is to extend the elbow but it also helps to extend and adduct the upper arm as well as contributing to shoulder stability.
Triceps tendonitis develops when there is repetitive strain through the tendon causing damage, irritation and/or tearing in the triceps tendon. This leads to tendon degeneration and inflammation which results in pain at the back of the elbow.
Triceps Tendonitis can develop in three places:
Pain from triceps tendonitis is usually fairly localized and the affected area may be tender to touch.
Anything that places repetitive strain through the triceps brachii tendon can result in tricep tendonitis. The most common causes of triceps tendonitis are:
Activities that repeatedly extend or hyperextend (overextend) the arm are the most common cause of triceps tendonitis. Common examples include:
Overuse is the most common cause of triceps tendonitis.
Sudden overloading of the triceps tendon e.g. lifting a heavy weight or a direct blow to the back of the elbow e.g. traffic accident can also result in weightlifters elbow. Microscopic tears develop in the tendon and if they fail to heal problem can cause ongoing inflammation and weakening in the tendon.
There are a few risk factors that can lead to increased risk of developing triceps tendonitis which include:
Weightlifters elbow tends to cause pain in the elbow, arm or shoulder that gets worse when using the triceps brachii muscle.
Typical triceps tendonitis symptoms include:
Usually, triceps tendonitis can be diagnosed by your doctor or physical therapist. They carry out a full subjective assessment where they ask you questions about your symptoms, when they started, aggravating and easing factors etc.
They will then perform a thorough objective assessment where they examine you looking at muscle strength and length in the shoulder and elbow, palpate the painful area, get you to perform various movements and they will perform various tests to rule out other potential problems.
A thorough subjective and objective assessment is usually sufficient to diagnose triceps tendonitis but if there is any doubt or they suspect there may be something else going on such as arthritis, they may send you for imaging such as an MRI or ultrasound scan.
Another common cause of pain at the back of the elbow is olecranon bursitis, inflammation of the small fluid-filled sac that sits over the pointy bone at the elbow. If there is a pocket of swelling behind the elbow it is more likely to be olecranon brusitis than triceps tendonitis. If you need help working out what is causing your pain visit the elbow pain diagnosis section.
Triceps tendonitis treatment aims to reduce pain and inflammation and prevent further injury. Mild cases will usually settle quickly with a combination of rest, ice and pain relief but if symptoms continue for more than a couple of weeks the further treatment will be necessary.
The best treatments for triceps tendonitis are:
It is really important to avoid any activities that aggravate symptoms with triceps tendonitis to give the tendon time to heal. Failure to do so will lead to more inflammation and damage in the tendon which will lead to more pain and slower healing. You can still use your arm but should avoid activities such as pushing, pulling, throwing and sports.
In severe cases of triceps tendonitis you may be advised to wear a resting splint but these are mostly used following surgery.
Regularly applying ice to the painful area of your triceps brachii helps not only to reduce the pain from triceps tendonitis but more important helps to reduce the inflammation in the tendon. This helps speed up healing.
But it is important to use ice correctly. Not using it enough will reduce its effectiveness, using it too much can actually make the inflammation worse!
The best way to use ice for triceps tendonitis, and any other injury, is to use it for 10-15 minutes at a time. You should then wait at least 2 hours before reapplying it. Aim, for at least 4 applications each day.
Ice works by causing vasoconstriction – narrowing of the blood vessels to reduce the amount of inflammation. But if you use ice for too long, the blood vessels actually dilate – open up more, which causes extra blood, fluid and inflammatory chemicals to rush to the damaged tendon causing further inflammation.
There are a whole range of specially designed ice packs that you can use, which mold well around the elbow for triceps tendonitis, but if you don’t have one, ice cubes or frozen veg also work well. Just make sure you wrap them in a tea-towel so the ice isn’t directly on your skin else you may end up with an ice burn.
In most cases, over the counter (OTC) medication will be sufficient with triceps tendonitis treatment. NSAIDS (non-steroidal anti-inflammatories) such as ibuprofen or Advil usually work best but some people need something stronger such as naproxen. Always check with your doctor before starting any new medication.
If triceps tendonitis symptoms fail to improve after two weeks of rest, ice and medication, then your doctor may advise a corticosteroid injection.
This is where the area is injected with a mix of steroid and analgesia to reduce the inflammation and pain. Your doctor may opt to give the injection in one of two ways:
Corticosteroid injections for triceps tendinopathy are most effective when given within the first three months of symptoms. You should never have more than 2 injections to the same site in 1 year, and ideally the area should not be injected more than 3 times over any period. This is to reduce the risk of further damage due to tendon weakening.
Physical therapy is often advised with triceps tendonitis not only to help with healing, but also to prevent recurrence of triceps tendonitis. As well as treating the client’s triceps tendonitis symptoms, they will also address any underlying causes of the condition such as muscle weakness or tightness.
Physical therapy for weightlifters elbow may consist of:
If your symptoms have failed to settle after three months of using the triceps tendonitis treatments we have already discussed, then your doctor may recommend a PRP injection – platelet rich plasma injection.
Plasma contains special proteins that support cell growth and help the blood to clot. Injecting platelet rich plasma into the damage triceps tendon is thought to stimulate your body to produce new, healthy cells that help with the healing process.
A small amount of your own blood is taken and placed in a centrifuge which spins the blood extremely fast for around 15 minutes. This causes the different components in the blood to separate. The plasma is removed and can then be injected directly into the damaged tendon under ultrasound guidance to ensure it reaches the correct place.
More research is needed looking into the effectiveness of PRP injections but they are becoming increasing popular in the treatment of tendon damage, particularly amongst elite athletes. At present, most insurance companies will not cover the costs of PRP treatment which can come in around $1000 as it is not FDA approved.
If your weightlifters elbow was due to sport, it is worth working with a specialist trainer/coach to ensure your training technique is correct. They may suggest modifications to your training schedule or even your technique e.g. tennis serve if that is thought to have been a contributing factor to your triceps tendonitis.
In most cases, non-surgical triceps tendonitis treatment will be sufficient, but if symptoms fail to settle or there is more serious tendon damage e.g. severe tear or rupture of the triceps tendon, then surgery may be necessary.
There are two options when it comes to triceps tendonitis surgery:
After a triceps tendon repair or graft, the elbow is immobilised for a few weeks in a splint or brace. You will then work with a physical therapist on a rehab program to regain full range, motion and strength in the triceps muscles and the elbow joint.
It can take up to 6 months to fully recover from triceps tendonitis surgery.
Triceps tendonitis recovery time will vary depending on the severity of the problem and how long you have had it for.
The good news is, most people make a full recovery from triceps tendonitis in time and get back to doing the things they love.
Triceps tendonitis is just one possible cause of upper arm pain. If this isn't sounding quite like your problem, check out the diagnosis section or have a look at our diagnosis charts.
Another common cause of pain at the back of the elbow is olecranon bursitis - inflammation of the bursa that sits over the pointy bone at the elbow.
Page Last Updated: 12/16/2022
Next Review Due: 12/16/2024
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