- Conditions the lungs by creating pulmonary resistance
- Strengthens the diaphragm
- Increases surface area and elasticity in alveoli
- Increases lung capacity
- Increase anaerobic thresholds
- Conditions the lungs by creating pulmonary resistance
- Strengthens the diaphragm
- Increases surface area and elasticity in alveoli
- Increases lung capacity
- Increase anaerobic thresholds
- Includes head strap