Unknown-2

Parallettes set a forearms distance apart.
Hands will be at the hips, arms will be fully locked and shoulders pressing down and away from the ears
Pick up legs straight out in front of you. Use abs, hip flexors and rectus femoris to keep legs parallel with floor

Scaling options

Unknown-1Stage 1: Keep one foot on the floor with knee bent.

Unknown

Stage 2: Keep both legs bent with feet off the floor