Stand up straight and take one step forward with one leg.
While holding each end of resistance band, bend your elbows to approximately 90 degrees.
Maintain a neutral spine and engage your deep abdominal and shoulder blade muscles throughout this exercise.
Punch your hand forwards and round your shoulder blade against the resistance of the band.
Ensure you keep your upper back straight.
Pause, then return to the start position with control.
Repeat with your other hand.
