Core activation - single leg extension to flexion ("Crunch" Core/abdominal strengthening, with knee hug, arms overhead; 01)

Core activation - single leg extension to flexion ("Crunch" Core/abdominal strengthening, with knee hug, arms overhead; 01)

Start with one knee bent and one leg straightened.
Bring your arms up over your head and breathe in.
As you breath out, bring your knee towards your chest whilst lifting your head and hugging it with your arms.
Straighten the leg and the arms back down as you breath in, and then repeat the movement.

Required equipment: No equipment, Mat
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