Extensa Blog

Core training: the forgotten core exercises flexibility training group fitness instructors

Core training has been a popular fitness concept pretty much forever. You find it in fitness classes, personal training sessions, dance...

Improve your posture: shoulder stabilization exercise 60 second stretch

This weeks flexibility exercise is to help improve posture. We are strengthening the serratus anterior and improving shoulder and scapula...

Flexibility explained: 3 types of flexibility flexibility training group fitness instructors

There is serious confusion out there when it comes to stretching, flexibility and mobility training. Today we're going to tackle the "types"...

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