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Myth busting in fitness science

  written by Dr. Basudev Tewari |     February 16, 2019

In this post we shall discuss with a few of very common myths related fitness and nutrition. We shall find the actual truth for each!

 

 

Myth no. 1

Food X, Drink Y and Medicine Z can cause weight loss. My neighbour/colleague/friend/uncle/aunt has taken it and lost a lot of weight.

 

The truth…

Nothing can cause weight loss without calorie deficit. Either you need to cut calories by eating less or burn more by exercise. Everything else comes secondary.

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Myth no. 2

Weight training or resistance training is bad for health as you grow older. Older people should do only “free hand exercises”.

 

The truth…

People lose a lot as they age:

  • Muscle mass and strength – 3-5% per decade
  • Bony mass loss – 1% every year after 30 yrs(In post menopausal females, the loss is even faster)
  • Flexibility of joints – 20-30%
  • Basal metabolic rate – 10%

Only way to fight this aging process is to do resistance training.

 

 

 

 Myth no. 3

Fat is bad for health and must be avoided. Carbs are safer food choices. Proteins are bad for kidneys and should be avoided as we age.

 

The truth…

Fat is essential for survival. Nerves, brains, enzymes, hormones etc. have fat a important component. High intake of refined and simple carbs are dangerous without exercise and proper activities. For normal kidneys, higher protein intake is well tolerated. Protein intake should not decrease with ageing, to prevent sarcopenia (muscle loss).

 

 

Myth no. 4

Deadlift is bad for lower back. People with history of low back pain in past should never attempt deadlift or any of its variations.

 

The truth…

Deadlift is the only exercise which activates almost all the muscle of the posterior chain of the body. Deadlift (even its variations) is actually a great back builder. After recovery from acute pain, slow progression in deadlift will be the best way to prevent its recurrence. Read my post on how to deadlift.

 

 

Myth no. 5

Egg yolk contains cholesterol that can lead to heart diseases. Hence it must be avoided. Even egg causes “gas” and is thereby a bad food.

 

The truth…

The cholesterol of the yolk does not get absorbed in the body, nor it travels to get deposited in the arteries. The mechanism is entirely different. Rather, egg is a great source of quality protein and fat. Read my post on boiled egg… Are boiled eggs bad for you?

Damn the “gas”. The gut bacterial flora will eventually adjust .

 

 

 

Myth no. 6

Lots of sit ups and crunches will help me to squeeze my abs and is the best exercise to lose ‘belly fat’.

 

The truth…

Spot reduction never occurs. This is a basic of fitness science, everybody should know! Calorie deficit helps in overall fat loss from the whole body. Fat loss from stubborn areas occurs last.

 

 

 

Myth no. 7

Keto diet is a quick fat loss diet and is a fad diet. It is the new wave now days and will fade away soon. Ketosis is harmful for the body.

 

The truth…

Keto diet (inducing ketosis in body) has been there successfully, from 1920, in paediatric epilepsy. It has shown very promising results in diabetes, metabolic syndrome, resistant obesity, Alzheimer’s disease and even cancer. Lots of research is going on it. For details, read my post on keto diet myths.

 

 

 

Myth no. 8

Weight training is bad and best avoided because:

  • As you stop it, you get fat within weeks.
  • Women get big and bulky, like men, by weight training.
  • Cardio is a much superior and safer option for fat loss.

 

The truth…

 

1st point…

Weight training burns a lot of calories (during and after training – the afterburn concept), speeds up metabolic rate and improves insulin sensitivity. As you stop it, those benefits get reversed. But food intake normally stays same and you get fat again. Read my post on 9 principles of weight training for fat loss.

But why should you stop training at all ?

 

2nd point…

Women never have testosterone levels even near enough to men so as to get that bulky and muscular. Rather weight training makes her reach optimum level of muscles to look toned and curvy with added advantage of fat loss. Read my post on : should women do weight training?

 

3rd point…

Mild to moderate intensity cardio is an inferior choice to weight training. It reaches plateau quickly and the ‘afterburn’ or metabolic boost effect is much lesser.

Cardio has other benefits. But for fat loss, whole body resistance training, including compound movements, with progressive overload is the best choice. 

Read my post on weight training myths.

 

 

Myth no. 9

Doctor has asked me to lose weight. I have started eating less, eating roti instead of rice, morning walk habit and some weight loss pills. I shall achieve six packs or zero figure soon!!!

 

The truth…

Keep dreaming and all the best…

 

 

If you ever consider customized, scientific guidance for diet and exercise, FitNet is there for you.

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