Few movements are so second nature to humans as stretching out while waking up.
It is a basic and instinctive reaction to the stiffness that the muscles undergo during sleep.
And stretching classes is a discipline in ever increasing demand at gyms owing to the necessity to correct day-to-day postural habits.
Try stretching every day from head to toe in an attempt to counteract the day-to-day stiffness the muscles suffer, especially when you adopt the same posture for a lengthy period of time.
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