The average weight of a human head is though to weigh between 4.5 - 5kgs constituting around 8% of your total body mass.
Research suggests that for every 0.5cm of forward neck displacement, the neck ages prematurely by 5 years!
With today's lifestyle being what it is, the majority of people suffer from poor postural aligment and a forward head posture.
Training the neck extensors are often over looked in most peoples programs, however if correctly trained, can have a huge impact on upper body strength development.
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