- Target
- Erector Spinae
- Equipment
- Body weight
- Body Part
- Back
- Primary Muscle
- Erector Spinae
- Secondary Muscles
- Hamstrings, Gluteus Maximus, Deltoid Anterior
- Intensity
- medium
- Category
- strength
- Skill Level
- beginner
- Estimated Calories
- 4
- Alternate Names
- Quadruped Extension