A neutral spine
refers to keeping your back straight with your head, neck and spine aligned to protect both your neck and back.
refers to having a neutral spine, with your shoulders back, head up and your eyes looking straight ahead.
refers to having your neck and spine aligned, your eyes looking straight ahead.
or braced abdominals
refers to pulling in your abdominal muscles to help maintain a neutral spine, protecting your lower back.
refer to your abdominal and back muscles, which support your spine.
Pelvis tucked under
refers to pulling in your abdominal muscles and tilting your pelvis slightly upwards, to protect your lower back.
Feet hip width apart
requires you to stand up straight with your feet facing directly forwards, approximately hip width apart.
Feet shoulder width apart
requires you to stand up straight with your feet facing forwards or at a slight angle outwards, approximately shoulder width apart.
refers to keeping a slight bend in your knees to avoid putting too much strain through your knee joints, protecting your hips, spine and lower back.
refers to keeping a slight bend in your elbows to avoid excess strain through your elbow joints.
or free weight is a short bar with a weight at each end.
is a long metal bar to which varying weights are added.
is a pair of parallel rails on posts (used in gymnastics).
Body balance and symmetry
it is recommended that both the left and right hand side of the body are exercised equally.