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Measuring your STATs


A wireless body analysis scale is used to measures your weight, fat percentage, muscle mass, bone mass, percentage of body water and fat around your internal organs. 


Stats are sent by email and online support will be available. Progress should be monitored every 2 weeks. 

What is the iHealth Wireless Body Analysis Scale?

The iHealth Wireless Body Analysis Scale is a weighing scale from Apple which connects to the iPad wirelessly via bluetooth. 


It measures weight, BMI, body fat percentage, muscle mass, bone mass, body water percentage and visceral fat rating (fat around internal organs). In this way, participants can be monitored every 2 weeks in order to assess progress, fat lost and muscle gained.



Understanding your measurements

What is body fat percentage?

Body fat percentage is the amount of body fat as a proportion of your body weight. Reducing excess levels of body fat has shown to reduce the risk of certain conditions such as high blood pressure, heart disease, diabetes and cancer. The chart below shows the healthy ranges for body fat.

What is total body water percentage? 

Total Body Water Percentage is the total amount of fluid in a person’s body expressed as a percentage of their total weight. Water plays a vital role in many of the body’s processes and is found in every cell, tissue and organ. Maintaining a healthy total body water percentage will ensure the body functions efficiently and will reduce the risk of developing associated health problems. Your body water levels naturally fluctuate throughout the day and night. Your body tends to be dehydrated after a long night and there are differences in fluid distribution between day and night. Eating large meals, drinking alcohol, menstruation, illness, exercising, and bathing may cause variations in your hydration levels.


Your body water percentage reading should act as a guide and should not be used to specifically determine your absolute recommended total body water percentage. It is important to look for long term changes in total body water percentage and maintain a consistent, healthy total body water percentage. Drinking a large quantity of water in one sitting will not instantly change your water level. In fact, it will increase your body fat reading due to the additional weight gain. Please monitor all readings over time to track the relative change. Every individual varies but as a guide the average total body water percentage ranges for a healthy adult are:

Female : 45 to 60%
Male : 50 to 65%

Note: The total body water percentage will tend to decrease as the percentage of body fat increases. A person with a high percentage of body fat may fall below the average body water percentage. As you lose body fat the total body water percentage should gradually move towards the typical range given above. 

 What is visceral fat rating? (VFR)

This feature indicates the rating of visceral fat in your body. Visceral fat is the fat that is in the internal abdominal cavity, surrounding the vital organs in the trunk (abdominal) area. Research shows that even if your weight and body fat remains constant, as you get older the distribution of fat changes and is more likely to shift to the trunk area especially post menopause. Ensuring you, have healthy levels of visceral fat my reduce the risk of certain diseases such as heart disease, high blood pressure, and the onset of type 2 diabetes.

Rating from 1 to 12
Indicates you have a healthy level of visceral fat. Continue monitoring your rating to ensure that it stays within the healthy range.

Rating from 13 – 59
Indicates you have an excess level of visceral fat. Consider making changes in your lifestyle possibly through diet changes or increasing exercise.

Note: Even if you have a low body fat rate, you may have a high visceral fat level. 

What is muscle mass? 

This feature indicates the weight of muscle in your body. the muscle mass displayed includes the skeletal muscles, smooth muscles (such as cardiac and digestive muscles) and the water contained in these muscles. Muscles play an important role as they act as an engine in consuming energy. As your muscle mass increase, your energy consumption increases helping you reduce excess body fat levels and lose weight in a healthy way.


What is bone mass? 

This feature indicates the amount of bone (bone mineral level, calcium or other minerals) in the body. Research has shown that exercise and the development of muscle tissue are related to stronger, healthier bones. While bone structure is unlikely to make noticeable changes in a short period, it is important that you develop and maintain healthy bones by having a balanced diet and plenty of exercise. People worried about bone disease should consult their physician. People who suffer from osteoporosis or low bone densities due to advanced age, young age, pregnancy, hormonal treatment or other causes, may not get accurate estimations of their bone mass. 



What is the iHealth blood pressure monitor?

The iHealth wireless blood pressure monitor connects wirelessly to the iPad or iPhone via bluetooth and measures blood pressure and heart rate. 


It also calculates MAP (mean arterial pressure), PP (pulse pressure), S/V (stroke volume) and C/O (cardiac output). These are explained in more detail below.



Understanding blood pressure

Blood pressure (BP), sometimes referred to as arterial blood pressure, is the pressure exerted by circulating blood upon the walls of blood vessels, usually measured at a person's upper arm. Blood pressure readings are given in two numbers. The top number is the maximum pressure your heart exerts while beating (systolic pressure), and the bottom number is the amount of pressure in your arteries between beats (diastolic pressure). Normal resting blood pressure for an adult is approximately 120/80 mm Hg. The average blood pressure during a single cardiac cycle is known as mean arterial pressure (MAP). 


High blood pressure is a common condition in which the force of the blood against your artery walls is high enough that it may eventually cause health problems, such as heart disease. You can have high blood pressure (hypertension) for years without any symptoms. Even without symptoms, damage to blood vessels and your heart continues and can be detected. Uncontrolled high blood pressure increases your risk of serious health problems, including heart attack and stroke.


The numeric difference between your systolic and diastolic blood pressure is called your pulse pressure (pp). For example, if your resting blood pressure is 120/80 millimeters of mercury (mm Hg), your pulse pressure is 40 — which is considered a normal and healthy pulse pressure.

A high pulse pressure may be a strong predictor of heart problems and, especially for older adults, if your pulse pressure is greater than 60 it is considered a risk factor for cardiovascular disease. Generally, a pulse pressure greater than 40 mm Hg is abnormal. A pulse pressure lower than 40 may mean you have poor heart function, while a higher pulse pressure may mean your heart's valves are leaky (valve regurgitation).


The most important cause of elevated pulse pressure is stiffness of the aorta, the largest artery in the body. The stiffness may be due to high blood pressure or fatty deposits on the walls of the arteries (atherosclerosis). The greater your pulse pressure, the stiffer and more damaged the vessels are thought to be. Other conditions — including severe iron deficiency (anemia) and overactive thyroid (hyperthyroidism) — can increase pulse pressure as well.

Treating high blood pressure usually reduces pulse pressure.




Body mass index (BMI)

Body mass index, or BMI, is a way to help you figure out if you are at a healthy weight for your height. BMI is a number based on your weight and height. In general, the higher the number, the more body fat a person has. BMI is often used as a screening tool to decide if your weight might be putting you at risk for health problems such as heart disease, diabetes, and cancer.


BMI is used to broadly define different weight groups in adults 20 years old or older. The same groups apply to both men and women.

  • Underweight: BMI is less than 18.5
  • Normal weight: BMI is 18.5 to 24.9
  • Overweight: BMI is 25 to 29.9
  • Obese: BMI is 30 or more


What you need to know


Your body is mainly composed of muscle, fat and water.  When you exercise more or start dieting, your body composition will change, even if your weight stays the same. 


This is because:

• As you exercise more, you develop more muscle mass and reduce fat.  Your weight may even increase at a certain point, as your muscle mass increases.


• Quick-fix, crash diets may produce speedy results, but the weight loss will be in the form of body water and healthy, lean muscle tissue.


• Very low calorie diets may force your body into ‘starvation’ mode, storing body fat rather than burning it.  So even if you lose weight, your fat ratio will increase.


If you measure it, you can manage it. 
The iHealth Body Analysis Scale will help you to understand the impact your fitness and diet plan has on your fat, water and muscle levels.  By monitoring your progress in terms of fat loss and muscle gain - even when your weight stays the same - you will be able to adapt your approach and stay motivated.  If you’re really serious about transforming your body, the key to success is to focus on building your lean muscle, staying well-hydrated and losing the fat. 


By thinking ‘Body Composition’, you’ll not only look fantastic, but you’ll also understand how to maintain a healthy balance.  






Understanding your heart

Heart rate is the number of heartbeats per unit of time — typically beats per minute (bpm). The heart rate can vary according to the body's physical needs, such as physical exercise, sleep, anxiety, stress, illness and

ingesting drugs. The normal resting adult human heart rate ranges from 60–100 bpm. 


Cardiac output (CO) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute.  An average resting cardiac output would be 5.6 L/min for a human male and 4.9 L/min for a female. 


Stroke volume (SV) is the volume of blood pumped from one ventricle of the heart with each beat. The term stroke volume can apply to each of the two ventricles of the heart, although it usually refers to the left ventricle. The stroke volumes for each ventricle are generally equal, both being approximately 70 mL in a healthy 70-kg man.

Stroke volume is an important determinant of cardiac output, which is the product of stroke volume and heart rate.


In cardiovascular exercise, such as running, HIIT and Insanity, one is training the heart muscle. As one get's bigger muscles by lifting weights, the heart muscle also grows in response to cardiovascular exercise. So people who do intense cardio regularly get a bigger, healthier heart.


This means that they have a bigger stroke volume (volume of blood pumped with each beat) and therefore have a slower heart rate.

For insaniacs, a heart rate of 50bpm is considered normal and very healthy.