<ul>
<li>Lie flat on your back with legs extended and arms at your sides.</li>
<li>Lift one leg straight up towards the ceiling, keeping it as straight as possible.</li>
<li>Hold for a second at the top while keeping your core tight.</li>
<li>Lower the leg back down slowly without touching the ground.</li>
<li>Repeat on the other leg and alternate for the desired number of reps.</li>
</ul>
<p>&nbsp;</p>