flexing your chest hard. Why: Over-arching the spine when pressing can reduce your range of motion and the amount of muscle fibres from your chest that you can recruit (and grow). Lift your feet ...

The trapezius muscle can act as a fixator when the biceps is flexing the elbow joint. The abdominals can act as fixators to stabilise the body for hip and knee movements. Preparation and execution ...

These key chest muscles assist you in flexing, adducting, and rotating your arms. The deltoid muscles of your shoulders also ...