Are you stretching or working your muscles?

Are you ‘Stretching’ or ‘Working’ a Muscle?

Confusing working a muscle with stretching a muscle is really common. When you go to the gym or your exercise class are you strengthening or stretching your muscles? Can you tell the difference, what are the benefits of each? How do you know which you should be doing

What happens when you work a muscle?
When you ‘work’ a muscle you tighten the muscle fibres, either by shortening the muscle or by holding it in a static contraction. In order to ‘work’ a muscle there has to be effort on your part. The brain needs to send messages to the muscle to activate and engage it. This gives a sensation of strength and if continued will make the muscle tire and ache, maybe giving a ‘burning’ sensation. You can also physically feel the muscle harden. Try pulling your abdominal muscles in as hard as you can. Prod across your tummy and feel the muscle harden.

Why should you strengthen a muscle?
To give support and stabilisation to the bony structures of the body. This is especially important for the shoulder girdle, pelvis and knees.
Strong muscle tone will enable the body to move effectively with less effort. This in turn means that the body can move more before becoming tired.

What happens when you stretch a muscle?
When you stretch a muscle you are trying to lengthen it. To do this one end of the muscle is stabilised and the other is moved to a longer position. In practise this is hard to achieve and frequently the stabilised end of the muscle ‘cheats’ by subtly moving to protect the tight muscle and prevent it stretching. Stretching usually involves you taking up a position without consciously putting in any muscle activation.
A common example of this is seen when trying to stretch the gluteus (hip) area. To try this, lie on your back, knees bent, feet flat on the floor and spine neutral (relaxed with a natural gap under and below the waist. Put your right foot across the left knee, lift the left foot off the floor to bring your knees towards your chest. This should give a stretch across the gluteus (hip) area, over the butt cheek down the back of the right side. The pelvis end of the muscle is static and the other end has moved. Now check whether your back changed its position when you lifted your feet off the floor. Ideally your back will still be neutral. If it has moved to be flat on the floor this will have moved the pelvis end of the muscle, giving your lumbar spine a stretch it doesn’t need and leaving the gluteus area tight. Roll your pelvis to put the gap back and feel how that changes the stretch as the pelvis is put back into a stable position.

Why should you stretch a muscle?
Some muscles need to be stretched as they shorten through daily activities and this leads to muscle imbalance and pain.
Modern lifestyles can cause other muscles to lengthen. Stretching these will not help and could do further damage as they actually need to be shortened by strength exercises.
There are frequently muscles which are tight but the body protects that tightness so although stretching would be beneficial it is hard to achieve.

In Conclusion
Try to strengthen the weak muscles within your body. When you stretch try to ensure that the correct muscle gets the benefit.
Most people have a pattern of weak lengthened muscles which need shortening and strong tight muscles which need lengthening. A postural assessment will identify these so you can work and stretch to correct imbalances whether in a class, at the gym or in everyday life.


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