90 Degree Single Knee Crunch (female)

90 Degree Single Knee Crunch demonstration gif

Instructions:

  • 1Lie on your back with one knee bent, and the other leg extended straight in the air
  • 2Place your hands gently behind your ears
  • 3Crunch up, lifting both your shoulder blades and the extended leg off the ground
  • 4Lower yourself back down in a controlled fashion
  • 5Repeat for the desired number of reps, then switch legs

Tips:

  • Avoid pulling on your neck with your hands
  • Keep your extended leg off the ground during the crunch
  • Exhale as you crunch and inhale when you lover yourself
  • Keep your movements slow and controlled

90 Degree Single Knee Crunch Muscles Worked

Arms

Back

Core

Legs