Achilles Tendinitis, Tendinosis, or Tenosynovitis


What's the Difference?

Any injury to your Achilles tendon can be referred to as Achilles tendinopathy. The suffix "pathy" means suffering or disease, therefore tendinopathy is a general term that can describe any condition of a tendon. To be more specific about the type of injury that has occurred in a tendon, the terms tendinitis (also spelled tendonitis), tendinosis, and tenosynovitis are used.

Achilles Tendinitis

The suffix "itis" means something is inflamed, therefore, the term Achilles tendinitis (tendonitis) is used when the Achilles tendon is inflamed. Inflammation in the Achilles tendon is often due to irritation and/or micro-tearing of the tissue (collagen fibers). When the fibers tear, they become weaker, inflamed and swollen causing pain and tenderness in the area.

Tendonitis pain and inflammation.

There are 2 types of tendonitis, acute and chronic. Acute tendonitis refers to inflammation that comes on suddenly, usually from a tendon strain or overloading it during exercise. Chronic tendonitis occurs over time and generally results from long term repetitive use of the Achilles tendon.

With both types of tendinitis, scar tissue develops on the Achilles tendon as the tears begin to heal. This scar tissue mends the tears in an abnormal way leaving the collagen fibers weaker and more prone to further injury. In the case of chronic tendinitis a node of scar tissue may form and/or the Achilles tendon may actually become thicker with a build up of scar tissue over a long period of time.

People with Achilles tendon pain often call their injury tendonitis however, in reality, Achilles tendinitis is a rare occurrence. Tendinosis is a more common Achilles injury.

Achilles Tendinosis

The term tendinosis refers to a non-inflammatory, degeneration of the collagen fibers in a tendon.

Tendinosis pain and tissue degeneration.

This tissue break down is often caused by repetitive stress on the tendon fibers and the failure for the fibers to heal. In fact, the rate of tissue damage exceeds the healing process and eventually the build-up of damage on the Achilles tendon is not able to heal properly. The tissue (collagen fibers) degrade to a point where the once straight, strong, flexible bundle is weakened by abnormally formed fibers that look more like a mess of strands.

Since there is no inflammation with tendinosis you will not experience swelling, heat or redness. However, you will experience pain, tenderness and stiffness at the back of the ankle where the tissue degeneration has occurred. This is the most common among Achilles tendon injuries.

Achilles Tenosynovitis

Tenosynovitis, (also called paratendonitis), is a term used to describe inflammation and degeneration of the tendon's outer layer or sheath. The Achilles tendon sheath is called the paratenon, which explains why the term paratenonitis has become a popular term for this condition as well.

It is possible to suffer from tenosynovitis alone or in conjunction with the degeneration of the Achilles tendon (called Achilles tendinosis). As your body tries to heal, scar tissue forms inside the sheath attaching the inner tissues of the Achilles tendon to its outer covering (paratenon). This scar tissue limits the gliding movement of the tendon, reducing the range of motion and causing pain, tenderness, redness, and swelling.


How Do You Treat an Achilles Tendon Injury?

Your doctor will assess your particular case and determine a course of action. In most cases, a conservative treatment protocol will be enough to heal the injury, though in cases such as significant tearing or a fully ruptured tendon, you will most probably require surgery. It is generally understood by doctors and surgeons, that surgery will introduce more scar tissue into the any already damaged tissue. This added scar tissue will be problematic, requiring more PT clinic visits and conservative treatment options post-surgery. If not dealt with properly, your Achilles tendon injury could end up in worse condition than before the surgery! This is why surgery is only performed as a last resort.

Some conservative treatment methods recommended include:

  • Rest - This is important for initial recovery for both Midpoint and Insertional Achilles Tendonitis; rest and elevation will help reduce pain, swelling and inflammation in the early stages of injury. This can be difficult when you have to carry on with daily activities, but resting and elevating your foot whenever you can is recommended. During your recovery you will probably have to modify or avoid the activities that put stress on your Achilles tendon until your pain and inflammation settles. Too much rest can also be harmful to achilles injuries because ankle joint immobility can actually cause stiffening in the joint. This is why rest should be used when reducing initial pain and swelling, but should not be considered for more long-term conservative treatment.
  • Buy a TShellz Achilles and Increase blood flow to your achilles
  • Avoid Activities that Caused Your Injury - While resting your injury it's also important to avoid all activities that may have caused your tissue damage (especially any repetitive movement). Continuing on with regular activities can increase the severity of your injury, turning a mild to moderate case of tendon damage into a downward spiral of worsening damage that may eventually severely impact your life. Also, trying to 'work around' your injury will eventually give rise to over-compensation injuries in other areas of your body.
  • Use a Cold Compress or Ice Pack - Cold is very effective at reducing pain and inflammation - use at the onset of the injury and during flareups.
  • Use Circulation Boost (TShellz Wrap®) - after swelling and inflammation has been reduced. You can use your own blood flow to maximize your rehabilitation, maintain healthy blood flow to your achilles and heel, decrease recovery time, and boost the bodys healing rate. Promoting blood flow to your achilles will help to minimize the growth of scar tissue, increase flexibility and help prevent atrophy.
  • Rehabilitative Stretching under supervision of a PT or doctor. The intent of this is to provide you with increased range of motion, pain relief and strengthening of the surrounding tissue of the joint. Doctors or surgeons typically won't perform a surgery until they feel that their patient has put effort into treating their injury with conservative treatment methods. This may include up to 4 to 6 months of visits to a PT clinic. If you haven't experienced any improvement in your condition during that time then surgery may be considered. Agressive PT approaches may focus on forced or manual manipulation of the achilles - this means your physical therapists will be trying to move your achilles past the point of comfort as they strive to increase range of motion and prevent further atrophy. This can be painful and end up making your injury worse if not done correctly. (reference: 1)
  • Stretching - Stretching your joint in PT and at home will help you to regain your range of motion much faster than not stretching at all. Stretching in many ways is key maintaining good Range of Motion (ROM) in your joint, and stretching can be made much easier with use of a TShellz Wrap® before to warm up soft tissue, and a Cold Compress or Ice Pack treatment after to prevent any return of swelling and inflammation.

Stage 1: If the injury is very recent - use a good quality cold pack and Arnica Pain Relief Cream. If the injury has been going on for awhile, then skip to Stage 2 below.

An injured Achilles tendon will receive very little blood flow; this occurs because swelling and inflammatory symptoms restrict that blood flow. Couple that with the fact that your Achilles tendon receives very little blood flow to begin with, and you can start to see why this can be a major problem. In most tendonosis cases, however, the tendon is not inflamed - in such cases the use of cold is relatively ineffective as there is little or no swelling to be dealt with.

If you are experiencing pain and swelling in the very early stages of the injury (first 48 to 72 hours), the first step in a conservative treatment protocol would be to focus on reducing the discomfort by applying a quality cold pack to the injured achilles along with a high quality pain relief cream such as our Arnica Infusion Cream.

If you are experiencing pain and swelling, not only will you use your cold pack for the first 48 to 72 hours after the injury, but you should also use it during other stages of the healing process. Some examples include...

  • after any activity that stresses the achilles in a moderate way. It is wise to quickly apply cold to not only reduce the pain, but to also minimize tissue damage that may have occurred during the prior event.
  • If you have a job that requires you to place some demands on your injured ankle. If that is the case, use cold immediately following work and if the opportunity allows - use it for 15 to 20 minutes during lunch or another break time.
  • If you are in a post-operative situation where cold compression would be utilized heavily for at least the first few weeks following the procedure. Similarly, if you are scheduled for upcoming surgery, then you will find a Cold Compress or Ice Pack helpful as well.

Having a Cold Compress or Ice Pack available at home to use if and when the need arises is helpful. Many of you already do so.

Often, too many people over-focus on cold while ignoring the most critical aspect to healing - nourishing injured tissue with a strong blood flow - the body's healing capability is generally dependent on blood flow..

This leads to the most important recommendation - Stage 2.

Stage 2: Focus on Increasing Blood Flow To The Achilles - As This is The ONLY Way Soft Tissue Heals For the Long-Term

Once the inflammation in your Achilles tendon has been reduced, nourishing and strengthening the tissue in the Achilles tendon and surrounding area is recommended.

When you have a tendon injury, there is not much blood flow in your injured tendon, especially if it is in the watershed zone, which it probably is. Inflammation and reduced movement (lack of activity or on-going immobility) reduces the flow of blood to an area that is already receiving very little blood flow. If you are moving your injured Achilles around you run a risk of increasing the severity of the injury. If there has been some healing, you could re-injure your tendon all over again.

Even though the concept is simple, improving blood flow to injured tissues can be difficult. When the injury is achilles related, the challenges are even greater. Traditional methods require your muscles and tendons to move to promote blood flow (exercise), but that same motion that promotes blood flow can at times lead to making your pain and condition worse.

  • Have you reinjured your achilles by getting back on your feet too quickly?
  • How many times in the past have you aggravated your achilles just trying to perform basic tasks around the home?
  • Is your debilitated achilles preventing you from work or activities you love to do?

Most people we deal with tell us these scenarios have happened to them many times in the past. Perhaps it has already happened to you.

Promoting blood flow within a muscle or soft tissue injury to help the body heal itself is a concept that has been utilized for centuries. This is where the focus has to be if you are seeking long-term improvement.

Oxygen and nutrients, carried within the blood, are critical for the body to heal itself. Without proper blood flow, recovering from an injury or condition will be delayed...sometimes for a very long period of time.

The real challenge is how do you promote blood flow to the achilles injury site without causing further injury? This goal is further complicated by the fact the achilles (and muscles controlling the ankle joint) are involved every physical movement we perform each day if we are on our feet.

Now, on to recommendation number two in the journey to heal your injured achilles...

The Achilles TShellz Wrap® - A Medical Device Available for Use at Home That Enhances Blood Flow in the Achilles

Achilles Tendinosis Running Injury

It is through the blood the body carries the nutrients and oxygen that injured tissues rely on for recovery.. It is well known that increased blood flow helps your body accelerate the healing process.

This is why the TShellz Wrap® is such an important tool. The whole purpose of the wrap is to accelerate blood flow to soft tissue in the treatment area. The end result; you relax the blood vessels within soft tissues of the treatment area. The vessels will naturally expand and allow for more blood flow to reach the very tissues you are trying to heal. In addition, this process will help clear the area of toxins and excess fluid build up, thereby reducing inflammation.

 tshellz bloodflow stimulation

The best option we came across in our research to accomplish true healing of achilles injuries is the Achilles TShellz Wrap®. Use of this device results in a dramatic increase in blood flow to the area - all in a non-invasive manner.

Have you seen what happens when you add water to a flower wilted from drought? In essence, your injured achilles is much like a "wilted" flower; your body wants to heal its injury, but needs lots of nutrients to do it. Blood brings new life to your tissue by delivering healing nutrients and oxygen that are vital to their health. In addition, the blood carries away toxins and waste cleaning the area and healing it faster. Without a good supply of blood, your achilles simply won't heal properly.

Using a TShellz Wrap® will not expose you to the risk of causing further harm to soft tissue like you can when using rigorous exercise. The Achilles TShellz Wrap® accomplishes the goal of enhanced blood flow without the need for intensive exercise and as such reduces your risk of re-injury.

Using the TShellz Wrap® is truly a unique experience. Within moments of applying a treatment to your injured achilles, you can feel the sensation due to the increase in blood flow deep within the area. During a treatment, and for quite some time after you finish, the treated area will feel relaxed and warm. It's a very soothing sensation and extremely effective. This is especially important because the insertion point of the Achilles tendon receives very little blood flow to begin with.


Who Should Use the TShellz Wrap®

We recommend the use of a TShellz Wrap®:

  • If you have injured your achilles or lower leg or other soft tissue in the back of your ankle, the TShellz Wrap® will introduce heat and increased blood circulation to the area (Localized Enhanced Circulatory Response) - exactly what is needed to maximize the body's ability to heal tissue.
  • If you are dealing with conditions affecting your range of motion such as impingement or even arthritis, the TShellz Wrap® will, in most cases, provide relief from symptoms.
  • If you have a chronic achilles condition that has lasted for years- this device is intended to kick start the recovery process and help strengthen the surrounding and supporting tissues. Many of our past clients had suffered for years, then were completely amazed at the results only after a few months of treatments.
  • If you are still working with an injured achilles, the TShellz Wrap® will help relax injured soft tissue prior to work and after a day at the job.
  • If you are still trying to enjoy your favorite activities such as gardening, tennis, golf, etc - use the TShellz Wrap® prior to activity to help reduce chances of re-injuring or re-aggravating those targeted tissues.
  • If you are experiencing atrophy in your lower leg and want to reduce the chance of re-injury - this is a perfect treatment to use on a regular basis.
  • If you have been to a physical therapist (PT) for some form of massage or soft tissue treatment, then this is exactly what you need.
  • If you have injured your achilles and need surgery, then you will find the T•Shellz blood circulation boost to be a powerful tool after surgery to help surgically repaired tissues recover for long-term health. (once the surgery wound has healed and your physician has given the ok - 6 weeks after surgery minimum)
  • If you are experiencing tightness in your muscle(s) and want to reduce the chance of re-injury while stretching - we recommend the use of a TShellz Wrap® before you stretch.

Increased Blood Circulation = Increased Healing Rate


TShellz Wraps® contain a unique Carbon Fiber Energy Pad which is flexible and will shape to conform to your body. This Energy Pad emits a uniform wave of perfectly safe energy over its entire surface. This energy is absorbed by soft tissue in your achilles and lower leg, opening blood vessels, resulting in an increase in blood flow. Increased blood circulation is what your body needs to accelerate the healing of soft tissue and this is why we recommend the Achilles TShellz Wrap® for the achilles heel area.


What Else Makes the Achilles TShellz Wrap® So Special?

Achilles TShellz Wrap for achilles tendinpathy

We believe the TShellz Wrap® to be one of the most effective home treatments to increase localized blood flow to dense, injured tissues such as muscles, tendons, ligaments, and other similar tissues.

We can promise that you will receive a product that is designed to be safe and does what it is supposed to do...quickly relieve pain and aid in the recovery from tendon, muscle and other soft tissue injuries.

The unit plugs into a standard wall outlet to get its power. The nice thing about the power supply is that the same unit can be used in North America and overseas as well. It has the capability to operate between 110v and 230v.

The TShellz Wrap® has a special signal controller that can be set for 3 different power levels of application (3=High, 2=Medium, 1=Low). The cord is long enough that you can sit or lie comfortably and watch TV, read or surf the net while you're using it.

Treatments are max 30 minutes in duration and the device can be worn over clothing. This allows you to use the device at work, at home, or really anywhere you have access to an electrical outlet.


A Recap of the Benefits of the TShellz Wrap®..

  • Targeted applications for most areas of the body
  • It can be used before exercise to warm up your achilles to reduce the risk of injury
  • FDA Registered medical device for use in home or clinics - very high quality
  • Increases flexibility of tissues (reducing the re-injury factor)
  • It soothes pain and whisks away toxins
  • Carbon fiber Energy Pad is strong, lightweight, and flexible - contours very easily
  • Enhanced blood flow maximizes the ability of the body to heal damaged tissue. A faster healing rate will save time and money when associated with doctor or physical therapist visits
  • A boost in blood flow can accelerate the bodys ability to recover. This can be beneficial in post-surgery rehabilitation, getting you back to work faster

When Should I Use My TShellz Wrap During the Day?

The most common question we receive from individuals prior to purchasing is - how many times a day should I be using my TShellz Wraps® and when should I be using them? While treatment plans will differ for each individual and their specific injury, there are general guidelines that should be adhered to.

  • Use a Cold Compress or Ice Pack when you are experiencing inflammation (usually after exertion or movement of the injury area).

The Achilles TShellz Wrap® would then be used:

  • Right after rising from bed in the morning (as this is when it is most stiff)
  • Prior to going to bed at night (to relax the achilles, allowing for better sleep)
  • Before you know you will be using your injured joint (going to work, driving, running, walking, etc).

Stage 3 - In Between Treatments With TShellz Wrap®, Apply Our New Fast Acting Pain Relief Cream Called ARNICA INFUSION

Dealing with aches and pains affecting the foot, ankle, leg, knee, hamstring, hip, back, arm, shoulder, elbow, wrist, or hand? If so, then applying the Arnica Infusion to any of these targeted areas will bring about fast relief from the pain and sore tissues. Simply apply a small amount of cream to the body and moments later, you will experience a soothing and comforting sensation over the area.

Arnica Infusion is specially designed to relieve pain due to sore muscles and joints associated with arthritis, backaches, sprains, strains, and bruises. No matter if you are dealing with an acute injury, chronic pain, or a general "flare-up" - you will experience fast relief from pain and inflammation.

mendmeshop arnica pain relief cream

This is a product that many of our current MendMeShop customers asked us to develop. So we focused our time and resources over the past few years and came up, with we believe, will be one of more effective, fast acting, topical pain relief creams on the market.

You are likely familiar with some of the standard topical agents on the market as most of our customers use them. The are mass marketed and even found in most department stores now.

Well, we are here to say that Arnica Infusion goes many steps beyond what they offer.

Made in the USA at an FDA registered manufacturing facility, you can be assured that Arnica Infusion is both safe and effective. We only source top grade ingredients while implementing strict quality control checks during every step of the production process. Expect the same high quality that MendMeShop customers have been accustomed to since we started the company in 2005.

The "Cool Blue" formula is the perfect balance between the smooth application of a cream and the effective absorbing factor of a gel. It is not too thick and not too thin - just the right texture. Best of all, it feels very nice on the skin!

Each application of Arnica Infusion feels so comforting and soothing, we are certain it will become an item you will not want to live without.


Arnica Infusion Ingredients

The Arnica Infusion formula is based on a combination of scientific research and the use of high quality ingredients. The properties within the formula were chosen for their pain relief, anti-inflammatory, and soothing qualities.

The acting ingredients within the formula include ones many of us are familiar with; along with ones that have not received a lot of publicity (only in research circles). Extensive testing resulted in a blending of ingredients that provides the most synergistic of benefits.

The notable ingredients in the Arnica Infusion formula include:

  • Arnica - powerful anti-inflammatory, speeds recovery, enhances circulation
  • Menthol - provides deep penetrating pain relief with a nice cooling sensation
  • Vitamin B6 - promotes normal nerve function
  • MSM - supports healthy connective tissues, anti-inflammatory
  • Ilex Leaf Extract - increases circulation, skin conditioner
  • Vitamin E - anti-inflammatory, enhances circulation, hydrates the skin
  • Aloe - anti-inflammatory properties, soothes the skin
  • Tea Tree - enhances penetration of ingredients

Extensive quality control procedures during the manufacturing process ensure the ingredients and final product are both safe and effective. We would not stake our reputation on anything but the best.

When Do I Apply the Arnica Infusion?

While At Work

Apply Arnica Infusion at work to help reduce acute discomfort associated with overuse of muscles and joints. No matter if you are in a physical demanding job or work within an office environment, you will be placing stress on different parts of the body and aches and pains will result.

Before Or After Work, Sports, & Activity

If you suffer from a sprained ligament, pulled muscle, strained tendon, or even bruising - apply Arnica Infusion for quick relief of the pain.

Chronic Pain Suffering

Application of Arnica Infusion can be done up to a maximum of 4 times per day on a consistent basis to help bring about relief from various pains and aches.

In-between Treatments With the TShellz Wraps®

Follow up your TShellz and Cold treatments with an application of Arnica Infusion. Combine the pain relieving benefits of Arnica Infusion along with the healing benefits of the wraps to make your recovery go much more smoothly.

Do not apply Arnica Infusion within a 2 hour timespan before a TShellz Wrap® treatment.

Whether you decide to use the Arnica Infusion in conjunction with the TShellz Wrap® and other treatments - or if you decide to use the cream as a stand-alone product - you will not be disappointed with the results. We guarantee it.


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During your recovery, you will probably have to modify and/or eliminate any activities that cause pain or discomfort at the location of your soft tissue injury until the pain and inflammation settle. The more diligent you are with your treatment and rehabilitation, the faster you will see successful results!


Please be aware that this information is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider before using any of our outstanding products to make sure they are right for you and your condition or if you have any questions regarding a medical condition. Always see your doctor for a proper diagnosis as there are often many injuries and conditions (some very serious) that could be the cause of your pain.

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