10.2024.08

Unlocking Relief: Understanding and Managing Tennis Elbow

It's a beautiful morning, and John, a passionate amateur tennis player, is out on the court with his friends for their usual match. He loves the feeling of swinging his racket, finding it both relaxing and energizing. But lately, a nagging ache has started in his right elbow, intensifying with serves and powerful returns. What began as a mild discomfort on the court has spilled into his daily life—picking up a coffee cup, lifting groceries, or even gripping the steering wheel now brings a jolt of pain.

Initially, John dismissed it as a minor strain or just arm fatigue. But weeks passed, and the pain didn't ease; it worsened. A doctor's visit brought a diagnosis: lateral epicondylitis, more commonly known as tennis elbow. John was surprised. All those repetitive swings had led to overuse of his arm tendons, resulting in tiny tears and degeneration.

Tennis isn't the only culprit. Many everyday activities can lead to tennis elbow. These activities often involve repetitive wrist or forearm extension, overworking specific muscle groups, and ultimately causing degenerative damage to the tendons. Here are some real-life scenarios you might recognize:

Who Gets Tennis Elbow? It's Not Just for Tennis Players!

  • The Office Worker: Sarah, an administrative assistant at a tech company, spends hours at her computer daily, constantly using her mouse. Over the past few weeks, she's noticed a dull ache on the outside of her right elbow, especially when she's clicking or moving the cursor frequently. This is because prolonged mouse use requires repetitive, small wrist movements, particularly loading the wrist extensor muscles. Though seemingly minor, these repetitive actions can lead to chronic injury in that area, eventually causing tennis elbow.

  • The Carpenter or Remodeler: Mike, an experienced carpenter, uses tools like hammers, screwdrivers, and drills daily for renovations and furniture making. When driving screws or using a power drill for extended periods, his arm constantly grips the tool and performs repetitive twisting motions. These actions also increase stress on the lateral epicondyle, leading to repeated micro-damage to the tendons. Over time, Mike started experiencing persistent pain on the outside of his elbow, and he found his grip strength wasn't what it used to be. This tendon degeneration, caused by overuse of the wrist extensor muscles and continuous arm twisting, is a classic example of tennis elbow.

  • The Gym Enthusiast: Chris is a regular at the gym, focusing on forearm and upper limb strength training. Over several months, he noticed pain developing on the outside of his elbow when doing exercises like wrist curls and bench presses, especially with wrist extension or repetitive gripping. During weightlifting, Chris's forearm muscles were under excessive load, and repetitive extension and flexion movements overstretched the tendons, leading to tiny tears that struggled to heal. In this case, intense strength training exacerbated the tendon damage, progressing into lateral epicondylitis.

  • The Professional Musician: Emily is a professional violinist, practicing for hours daily. Playing the violin requires her wrist to maintain specific postures for extended periods, performing precise and repetitive finger and arm movements. Her right hand (bowing hand) constantly performs wrist extension and rotation. After years, she began experiencing pain on the outside of her right elbow, which became more pronounced after long rehearsals. Musicians perform repetitive, subtle movements, particularly continuous use of wrist extensors. This constant repetition and high-frequency wrist twisting can easily lead to tendon overuse and, consequently, tennis elbow.

  • The Avid Gardener: Susan, a passionate gardener, spends hours every day caring for her plants, which involves using clippers, turning soil, and pulling weeds. These activities demand continuous wrist and forearm strength and often involve sustained wrist extension and repetitive gripping of tools. Over time, Susan developed persistent pain on the outside of her elbow, which worsened when clipping hedges or pruning branches. Gardening tasks require prolonged, continuous work from the hands and forearms, and these repetitive motions can overload the extensor muscles of the forearm, leading to tennis elbow.

These examples illustrate how, in real life, any activity—professional or recreational—involving repetitive wrist and forearm extension and overuse can trigger tennis elbow. Different professions and activities may seem unrelated, but the common thread is that repetitive motions ultimately lead to chronic tendon degeneration and pain.


What Exactly Is Tennis Elbow?

Tennis elbow, medically known as lateral epicondylitis, is a chronic, degenerative condition primarily affecting the tendons of the forearm extensor muscles, specifically the common extensor tendon. The hallmark symptom is pain on the outer part of the elbow (the lateral epicondyle), which can radiate down the forearm, especially when extending the wrist or gripping objects.

What Causes It?

The main cause of tennis elbow is overuse injury, particularly from repetitive movements involving the forearm extensors, such as those in tennis, weightlifting, or throwing. This repeated stress causes the tendon fibers where they attach to the lateral epicondyle to gradually break down. When tendons are repeatedly subjected to excessive tension or stretching, it leads to micro-tears and incomplete tissue repair. Over time, this results in chronic degeneration.

Tissue Changes: In tennis elbow, the affected tendons aren't typically in an acute inflammatory state. Instead, they show signs of tendinosis, which is a degenerative change in the tendon tissue rather than a typical acute inflammatory response. At a microscopic level, these changes include:

  • Disorganized Collagen Fibers: Normal collagen fibers should be orderly and parallel. However, in the affected areas of tennis elbow, these fibers are disorganized and accompanied by collagen fiber breakage or disintegration.
  • Extracellular Matrix (ECM) Changes: There's an abnormal increase in major components of the extracellular matrix, such as collagen and proteoglycans. This change makes the tendon structure more fragile.
  • Neovascularization: The affected area often shows abnormal blood vessel growth. However, these new vessels are usually not related to functional repair and are instead associated with chronic pain.
  • Fibrosis and Scarring: Damaged tendons are replaced by fibrotic tissue, which lacks elasticity and further weakens the tendon's ability to bear load.

How Pain Develops: Pain is primarily linked to several factors:

  • Degenerative Changes: As collagen fibers within the tendon degenerate and rupture, the local tissue becomes unstable, easily triggering mechanical stress during daily use, which then leads to pain.
  • Abnormal Nerve Sensitization: Due to local tissue damage and chronic stress, pain-sensing neurons (nociceptors) in the affected area are continuously stimulated, leading to increased pain sensitivity in the local and surrounding tissues, known as peripheral sensitization.
  • Abnormal Blood Vessel Growth and Pain: Abnormal blood vessel growth can be accompanied by new sensory nerve fibers entering the affected area, which may enhance pain transmission. Additionally, the new blood vessels and their compression can cause local ischemia, further exacerbating the pain response.
  • Release of Chemical Mediators: Inflammatory mediators like prostaglandins and cytokines are released in the affected area. These chemical substances directly act on pain nerve endings, stimulating pain perception.

The Progression of Tennis Elbow

Tennis elbow typically progresses through these stages:

  • Initial Overuse Injury: Micro-tears begin to appear due to repetitive forearm extensor movements. However, the body can perform limited self-repair, so symptoms are not yet obvious.
  • Continued Stress and Tendon Degeneration: As damage accumulates, the body's repair capacity becomes insufficient, leading to further tendon degeneration and more severe microscopic structural damage. At this stage, patients begin to experience noticeable localized pain and restricted movement.
  • Chronic Degeneration: In the chronic stage, the structural disarray of the affected tendon becomes pronounced, and pain becomes a persistent issue, especially when using the related muscle groups.

If left untreated, tennis elbow can ultimately lead to permanent structural damage to the tendon and even loss of function.


Managing Tennis Elbow: A Holistic Approach

While a healthcare professional can tailor treatment based on the severity of your condition, your lifestyle, and your recovery goals, here are several common self-care strategies you can use at home alongside medical advice:

  1. Rest and Activity Modification: The first step in treating tennis elbow is to reduce or stop the activities that cause your symptoms. Giving the tendons adequate rest can lessen ongoing damage and promote healing. It's advisable to avoid movements that involve excessive wrist use, especially those that intensify the pain.

  2. Ice and Heat Therapy: Ice packs are effective in reducing acute inflammation, particularly during the initial stages of pain and inflammation. Apply ice for about 15-20 minutes at a time, several times a day. Once the condition enters the chronic phase, heat therapy can help improve blood circulation and accelerate tendon repair.

  3. Braces and Supports: A forearm brace or tennis elbow strap can reduce the burden on your wrist and forearm, limiting excessive tendon activity. This type of brace redirects force to below the wrist, alleviating pressure on the lateral epicondyle and helping to relieve symptoms.

  4. Topical Remedies: A Traditional Chinese Medicine Perspective: For this type of condition, traditional Chinese medicine (TCM) offers topical applications such as specialized herbal plasters or balms. These are often available as over-the-counter remedies and can be applied at home to help soothe discomfort and support deep tissue repair. Products like Wan Ning Gao (Vi-Yi-An) are known for their prolonged moisturizing properties and ability to promote blood circulation and reduce stagnation, making them a potential choice for addressing underlying tissue issues.

  5. Manual Therapy and Massage: Specific manual therapy techniques, such as deep tissue massage, myofascial release, and joint mobilization, can help reduce muscle tension, improve joint mobility, and promote blood circulation. These methods can be quite beneficial in alleviating chronic tennis elbow.

  6. Preventing Recurrence: Even after recovery, it's crucial to take steps to prevent tennis elbow from coming back:

    • Adjust Work or Exercise Posture: Avoid poor posture that leads to overuse of forearm muscles.
    • Appropriate Strength and Stretching Exercises: Continuously maintain the strength and flexibility of your forearm extensor muscles to reduce the risk of re-injury.
    • Use Ergonomic Tools: For those whose work involves tools, choose ergonomically designed tools to lessen the load on your wrist and forearm.

By incorporating these diverse treatment approaches, individuals with tennis elbow can typically regain function and reduce pain, allowing them to return to their normal lives and activities.


We hope this information helps you better understand tennis elbow and how to manage it. If you're a distributor or agent interested in offering high-quality traditional Chinese medicine products that can support individuals dealing with musculoskeletal discomfort like tennis elbow, we encourage you to connect with us. We'd love to discuss potential partnerships and how our specialized products can benefit your customers.