Some signs
of imperfect
form is holding your breath during an exercise, bending your neck when you're not supposed to, and making
faces or tensing your facial muscles just to
lift the weight up.
Lie
face down on the floor and with your arms outstretched in front
of you and your legs outstretched, then in one movement
lift up your arms and legs towards the ceiling leaving your middle section to
form a U shape, repeat these ten times or more, burning yet?