Tennis Elbow: Why It Hurts and What Actually Helps

Tennis elbow (lateral epicondylitis) is a common overuse injury affecting the tendons on the outside of your elbow. Despite its name, you don't have to play tennis to get it. Any repetitive wrist or arm motion—such as painting, typing, or using hand tools—can strain these tendons. Here's what you need to know about why tennis elbow hurts and practical steps you can take to feel better.

Why Tennis Elbow Hurts

1. Tendon Overload
   • Repeated motions—especially gripping and wrist extension—overload the extensor carpi radialis brevis (ECRB) tendon.
   • Tiny tears (microtrauma) develop in the tendon where it attaches to the bony bump (lateral epicondyle) on your humerus.

2. Inflammation and Healing Response
   • The body's attempt to repair microtears triggers inflammation and pain.
   • Chronic overuse prevents proper healing, leading to persistent discomfort and weakness.

3. Pain Signals
   • Damaged tendon fibers send pain signals when you grip, lift, or twist your forearm.
   • Swelling around the tendon can add pressure to nearby nerves, amplifying the ache.

Common Symptoms

• Pain or burning on the outer part of the elbow
• Weak grip strength—difficulty holding a coffee cup or turning a doorknob
• Pain that worsens with wrist extension or forearm rotation
• Tenderness when pressing the bony bump on the outside of the elbow
• Symptoms often develop gradually, over weeks or months

If you're experiencing elbow or wrist pain and want to understand what might be causing it, use Ubie's free AI symptom checker to get personalized insights in just a few minutes and learn whether you should seek professional care.

Diagnosing Tennis Elbow

A thorough evaluation by a healthcare provider typically includes:

• Medical history: Activities, onset of pain, previous injuries
• Physical exam: Palpation of the lateral epicondyle, resisted wrist extension test, grip strength assessment
• Imaging (in select cases):
  • X-rays to rule out arthritis or bone spurs
  • Ultrasound or MRI to assess tendon integrity if symptoms persist after 6–12 weeks of treatment

Evidence-Based Treatments

Most cases of tennis elbow improve within six months with conservative (non-surgical) care. Here's what actually helps:

1. Activity Modification

• Reduce or modify the motions that trigger pain (e.g., switch to a lighter racket, adjust your workstation).
• Take frequent short breaks when doing repetitive tasks.

2. Ice and Compression

• Apply an ice pack wrapped in a cloth to the outside of the elbow for 15–20 minutes, 3–4 times a day.
• Use a compression sleeve or elbow strap to offload stress from the tendon.

3. Over-the-Counter Pain Relief

• Non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen can ease pain and swelling—use as directed.
• Topical analgesics (gels or creams) may provide localized relief with fewer systemic side effects.

4. Physical Therapy and Exercises

Working with a physical therapist can speed recovery and strengthen the forearm muscles. Common techniques include:

• Eccentric wrist-extension exercises (slowly lowering a weight with the palm facing down)
• Wrist flexor and extensor stretches
• Forearm pronation/supination with light resistance
• Soft-tissue massage and instrument-assisted mobilization

5. Bracing and Splinting

• Counterforce straps worn just below the elbow reduce tendon strain during gripping activities.
• Wrist splints worn at night can keep the wrist in a neutral position, easing morning stiffness.

6. Advanced Therapies (If Pain Persists)

• Corticosteroid injections may provide short-term pain relief but can weaken the tendon if overused.
• Platelet-rich plasma (PRP) injections use your own growth factors to promote tendon healing—results are mixed but promising for some people.
• Shockwave therapy (high-energy sound waves) may stimulate tissue repair, though insurance coverage varies.

7. Surgery (Last Resort)

If conservative care fails after 6–12 months, surgical options include:

• Arthroscopic debridement: Removing damaged tendon tissue through small incisions
• Open tenotomy: Reattaching the healthy tendon to bone
• Recovery often involves physical therapy and gradual return to activity over several months.

Preventing Tennis Elbow Recurrence

• Warm up and stretch forearm muscles before activity.
• Use ergonomic tools and grips—choose equipment that fits your hand size.
• Maintain good technique (for sports or work tasks) and seek coaching if needed.
• Strengthen forearm muscles year-round with 2–3 sessions per week of targeted exercises.
• Listen to your body: Avoid pushing through sharp or persistent pain.

When to See a Doctor

While tennis elbow is rarely dangerous, you should seek prompt medical attention if you experience:

• Severe, unrelenting pain that wakes you at night
• Sudden loss of elbow or wrist function
• Numbness, tingling, or swelling spreading beyond the elbow
• Fever or redness around the joint (signs of possible infection)

Always speak to a doctor about anything that could be life-threatening or serious. Early diagnosis and a tailored treatment plan can help you return to pain-free activity sooner.

---

Tennis elbow can be a stubborn injury, but with the right approach—rest, targeted exercises, and professional guidance—most people regain full function without surgery. Be patient and consistent with your recovery plan, and don't hesitate to reach out to a healthcare professional if your symptoms persist or worsen.