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TensCare Sports TENS

Product Code: SFBK-ST2
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  • Builds and tones muscle, relieves injury and general pain and gives relaxing massage

  • Easy to use, lightweight and slim-line design with rechargeable battery

  • 10 TENS programmes for pain relief, 27 EMS programmes for muscle toning and shaping, 10 massage and 8 user defined programmes

  • Complete kit ready to use with four reusable electrode pads 50x50mm

  • Small yet powerful Dual Channel, can be used with either two or four electrode pads

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The Sports TENS 2 unit uses TENS and EMS to provide muscle and nerve stimulation for muscle toning, pain relief and rehabilitation.

TENS (Transcutaneous Electrical Nerve Stimulation) relieves pain by a) helping the body to release natural painkillers (called endorphins) and b) by blocking pain signals to the brain.

EMS (Electrical Muscle Stimulation) provides intensive muscle contraction in order to react with specific nerves supplying a particular muscle group.

Key features of the Sports TENS 2:


The Sports TENS 2 is a powerful fitness and performance muscle stimulator for body toning, shaping, beauty and relaxation. It has TENS settings to relieve pain due to injury and over-training. Gentle massage is provided for relaxation and de-stressing.


The Sports TENS 2 is flexible enough to help with all stages of training and recovery. It has 27 EMS programs, 10 TENS programs, 10 massage programs and 8 user defined programs enabling you to experiment and save your favourite settings – unrivalled performance for a product of this size and price.


Sufficient memory for a 30-day exercise program compromising of 3 uses a day. The memory records usage time and average intensity used. For training, this enables you to keep an exercise diary. For rehabilitation and pain relief, it offers an objective treatment record.

"I am a physiotherapist and I love this product for my patients" 

"Good for pain relief also supportive for muscle development." 

"Excellent product! Highly recommend."

Other features:

  • Li-on Battery  - rechargeable, lightweight and compact for great mobility
  • External Charger included – including a unique locking lead connection and built-in cable tidy
  • Backlit LCD screen - for clearer visibility
  • Comfortable strength control – steadily increase the level of intensity to suit your needs

If you are in any doubt about any of these warnings please consult your medical adviser. 

Do Not Use TENS or EMS:

• If you have a heart pacemaker or have a heart rhythm problem.
TENS in the direct vicinity of a pacemaker may affect some models. If TENS is applied on the front of the neck this can affect your heart rate. Very strong TENS across the chest may cause an extra heartbeat.
• If you have epilepsy TENS may affect seizure threshold.
• During the first three months of pregnancy

It is not known whether TENS may affect foetal development.
• On the abdomen in the later stages of pregnancy.
 Stop using immediately if you experience unexpected contractions.
 • When driving, operating machinery, or similar actions needing fine control loose pads, damaged leads, or sudden changes in contact may cause brief involuntary muscle movements.
 • To mask or relieve undiagnosed pain may delay diagnosis of progressive condition.

• If you are suffering from acute, feverish or infectious diseases

 • Observe caution when using TENS at the same time as being connected to monitoring equipment with body worn electrode pads. 
It may interfere with the signals being monitored.
 • Strong electromagnetic fields (electrosurgery/microwave cookers/mobile phones) may affect the correct operation of this unit.
If it appears to behave unusually, move it away from these devices.
• Use caution following recent surgical procedures stimulation may disrupt the healing process.

Do Not place electrode pads:
 • On broken skin The pads could encourage infection.
 • On skin which does not have normal sensation.

If the skin is numb, too great a strength may be used, which could result in skin inflammation.
 • On the front of the neck
This could cause the airway to close, giving breathing problems. May cause sudden drop in blood pressure (vasovagal response).
• Over the eyes. May affect eyesight or cause headaches.
• Across the front of the head Effect on patients who have had strokes or seizures is not known. May affect sense of balance. The effects of stimulation of the brain are unknown.
• Near malignant tumours In vitro experiments have shown that electricity can promote cell growth.

Do Not:
• Ignore any allergic reaction to the electrode pads.
If a skin irritation develops stop using TENS and try a different type of electrode. Alternative pads specially made for sensitive skin are available. Pads supplied have no measurable latex content.

Also Do Not :
• Immerse your TENS unit in water or place it close to excessive heat. It may cease to operate correctly.
• Attempt to open up the TENS unit. This will invalidate the guarantee.
• Mix old, new or different types of batteries.
• Use this device leads, electrodes, and accessories other than those recommended by the manufacturer. Performance may vary from specification and will invalidate the product warranty.

Content :

Sports TENS 2 unit
Belt clip
2 x L-ST2 lead wires
1 x pack of 4, 50 x 50mm superior self-adhesive electrode pads (E-CM5050)
1 x Li-ion rechargeable battery (B-BL6F)
Charging cradle (X-ST2CR)
UK Power Adaptor (please Contact Us if your require a US or EU adaptor)
Instruction manual
Black transit pouch
Unit Dimensions

115mm x 56mm x 23mm (without the clip)
110gm without batteries

Expected Service Life

The machine will often last for more than 5 years, but warranty is for 1 year. Accessories (leads, pads, and batteries) are not covered by the guarantee.
Lead life depends greatly on use. Always handle the leads with care.
Pads should last 12-20 applications, depending on skin condition and humidity.
BL-6F rechargeable battery should last at least one week (use at 50% AMP for 4 hours per day).

How It Works ?

TENS stands for Transcutaneous Electrical Nerve Stimulation. TENS stimulates your body’s own natural defences against pain. It is totally safe, and has been used successfully by thousands of pain sufferers. TENS sends a gentle stimulation through the skin which works in two ways:

Pain Gate

Stimulating the sensory nerves, which carry touch and temperature signals. These nerves go to the same connections in the spine as the nerves carrying pain. A strong sensory signal will block the pain signal travelling up the spine to the brain. This is known as closing the “Pain Gate” and takes effect quite quickly after the unit is switched on. You can use TENS several times a day, for as long as you like.

Endorphin Release

At low frequency settings, and slightly stronger output, TENS drives the motor nerves to produce a small repetitive muscle contraction. This is seen by the brain as exercise, and this promotes release of Endorphins – your body’s own natural pain killer. The relief builds up and normally takes about 40 minutes to reach a maximum level which can last for hours after the machine is switched off. By using TENS you can expect to achieve a significant reduction in pain if not complete pain relief.

Side Effects

There are no known side effects to TENS use and long-term TENS use is not harmful.

Positioning the electrodes for TENS

The TENS effect is confined to the nerves entering a single vertebra in the spine. To be effective, you therefore need to stimulate a sensory nerve entering the spine at the same level as the nerve carrying the pain. For this reason electrodes are usually first placed where the greatest pain is felt. Nerves follow the curve of the ribs, and spiral around the limbs, so you will need to try different positions until you find the best for you. Try moving the electrodes short distances to establish the positions that are most effective for you.

TENS is clinically tested and approved for many applications including the following:

• Back pain, and lumbar and cervical spine problems
• Joint pain (e.g. knee joint, hip joint, shoulder)
• Neuralgia • Headaches • Women's period pains
• Pain after injuries to musculoskeletal system
• Pain with circulatory problems
• Chronic pain through various causes


EMS stands for Electrical Muscle Stimulation and is a widespread and generally recognized method that has been used for years in sports and rehabilitation medicine. In the sports and fitness field, one of the uses of EMS is as a supplement to conventional muscle training, in order to increase the efficiency of muscle groups and adapt physical proportions to the
desired aesthetic results. EMS has two main applications. Firstly, a targeted strengthening of musculature can be produced
(Activating application) and secondly a relaxing, resting effect can also be achieved (Relaxing application).

EMS successfully rebuilds and tones muscles.

Different levels of muscle contraction are achieved by sending electrical impulses of various types, depending on the programme selected, into the body. These muscle contractions retrain the muscles, increase their effectiveness and improve their condition. This is beneficial where muscles - for whatever reason - have not been in regular use and have lost condition (muscle atrophy). For sports, the benefit is to increase the effect of training and enhance performance. Typical uses are: -
• Muscle training to improve endurance performance • Muscle training to support the strengthening of certain muscles or muscle groups in order to achieve desired changes to body proportions.
• Sports training, covering - warm-up, strength, speed, power, resistance, endurance and
• Rehabilitation in relation to sports injury.
The effect on muscle tone of electrical stimulation (EMS) is generally only noticeable after regularly repeated application. Electrical stimulation does not replace regular exercising of the muscle, but is able to reasonably supplement it.
Muscle wastage: EMS is used in the treatment of medical conditions involving muscle wastage including: Neuromuscular facilitation - Muscle reeducation - Muscle training - Prevention/slowing of atrophy/hypotrophy - Preventing postoperative muscle weakness - Reduction of spasticity - Maintaining or increasing range of motion - Training of partial peripheral nerve damage with signs of re-innervation - Treatment of scoliosis.

Relaxing applications includes the following:

• Muscle relaxation in order to loosen up muscular tension
• Improving muscular fatigue symptoms
• Accelerating muscle regeneration after high muscular performance (e.g. after a
Through integrated massage technology, the Sports TENS Digital TENS/EMS also offers the possibility of reducing muscular tension and combating fatigue symptoms using a programme based on manual massage in terms of sensation and effect

Mode of operation

EMS uses external electrical impulses that act through the skin to stimulate the nerves supplying a specific muscle group.
The muscle reacts in different ways depending on the strength of current and duration and frequency of the electrical impulse.
Muscles are made up of two different types of fibre:
- Red fibre is slower contracting and aerobic working.
- White fibre is faster acting and capable of anaerobic working.
The proportions of red and white fibres depend on the way the muscle is used.
Fibre can be converted from one type to the other, depending on the signals it receives.
This is known as the Trophic effect.
Different frequencies have different effects: Low (1-10 Hz) frequencies coupled with long impulse times have a purifying and relaxing effect through individual contractions, whereby the circulation in the treated muscle is simultaneously improved and removal of metabolic end products is supported (lymphatic drainage). The oxygen supply to the muscle is
In contrast, medium (20-50 Hz) frequencies can put a high level of strain on the muscle, thus promoting the muscular structure.
Very high frequencies (60-90 Hz) can be used to promote muscle definition and bulk.
The body maps at the back of this guide show pad positioning in order to stimulate specific muscle groups.

Treatment time and treatment interval

Treatment by EMS can vary between 15–60 minutes stimulation twice a week to
treatment several times per day.

Choosing the right strength

The object of EMS treatment is to produce powerful muscle contractions. The strength of the current should be increased to about three times the level at which you can first feel the tingling, or to as high as you can stand without causing pain. You will probably feel that electrical contraction is being more powerful than a voluntary contraction, because the current also stimulates your sensory nerves. The signals have a painrelieving effect.
You may find the sensation uncomfortable to start with, so that you may not get up to therapeutic strength at the start of treatment. The strength can be increased during the course of the treatment, as you become accustomed to the sensation.
Voluntary muscular activity is more effective than stimulation, and it may improve progress if you combine voluntary contraction with stimulation.
The powerful muscle contractions caused by electrical stimulation give rise to training aches, which usually disappear within a week.
After treatment tingling sensations may continue or your skin may feel numb, this is normal.


How does TENS work?

TENS stands for Transcutaneous Electrical Nerve Stimulation.

TENS is recommended throughout the world by pain clinics and physiotherapy departments. Not only does TENS reduce your pain, it can also help you to reduce your need for painkillers. TENS is simply a means of stimulating your body's own natural defences against pain.


Your TENS unit sends a tiny electric current into the skin through electrode pads which are usually placed near the source of the pain.. This current stimulates the sensory nerves, which carry touch and temperature signals. These nerves go to the same connections in the spine as the nerves carrying pain. A strong signal in the sensory nerve releases chemicals in the spine which stop the pain signal travelling up the spine to the brain. This is known as the “Pain Gate”.

In the Pain Gate mode TENS provides relief while it is swit che d on. The effect may start to wear off after 1-2 hours. You can stop for an hour and then try again. You can use TENS several times a day.


At low frequency settings, TENS also causes a release of endorphins, the body's natural morphine-like substances, which relaxes and relieves your pain.

In Endorphin Release mode, the relief builds up over as much as 40 minutes, and can last for up to 4 hours after the unit is turned off.

Most people will achieve a reduction in pain. Some find that their pain goes away completely while they are using TENS. Some users only feel better after repeated use, and over a long time period.


You can use TENS as much, and as often, as you need. Even continuous treatment is fine, but electrodes should be repositioned regularly (at least every 12 hours) to allow the skin to be exposed to air.

The Endorphin Release mode works better when the intensity is high enough to cause small muscle contractions. After about 20 minutes with muscle contractions, the muscle may begin to ache . If this happens you should stop the session. Best results with endorphin release are achieved at between 20 and 40 minutes.

How can Electrotherapy Devices help with sports training and fitness?

TensCare have developed a range of electrotherapy devices to help with all stages of training and recovery. EMS (Electrical muscle stimulation) is widely recognised by healthcare professionals and sports individuals as a method of treatment for muscle rehabilitation, improving muscle endurance and preventing injury. TENS (Transcutaneous Electrical Nerve Stimulation) and IFT (Interferential Therapy) settings can help to relieve muscle pain due to injury and over-training.

Why use an Electrical Muscle Stimulation (EMS) device?

EMS (Electrical Muscle Stimulation) produces intensive and effective muscular contraction by passing electrical stimulation through electrode pads placed on the skin in order to react with specific nerves supplying a particular muscle group. These muscle contractions retrain the muscles, increase their effectiveness and improve their condition.

Benefits for Sports individuals:

Improve muscle endurance and performance
Provides muscle training to support the strengthening of certain muscles or muscle groups in order to achieve desired changes to body proportions
Sports training - warm-up, strength, speed, power, resistance, endurance and recovery
Rehabilitation in relation to sports injury
Help prevent muscle atrophy
Increasing local blood circulation

How can the TENS settings help?

TensCare have developed the Sports TENS 2 and Perfect EMS units which use a combination of EMS, TENS and Massage settings.

TENS (delivers tiny, safe, electrical signals through conductive pads to stimulate the nerves under your skin. It relieves pain in two ways: by helping the body to release natural painkillers (called endorphins) and by blocking pain messages.

By using TENS you can expect to achieve a significant reduction, if not complete pain relief from any sports injury.

How can the Massage settings help?

Massage programmes produce a relaxing, resting effect. Muscle relaxation helps to:

Loosen up muscular tension
Improve muscular fatigue symptoms
Accelerate muscle regeneration after high muscular performance