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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: J Neurol Phys Ther. 2021 Jul 1;45(3):235–242. doi: 10.1097/NPT.0000000000000360

Table 2.

Exercise Prescription Considerations for Respiratory Strength Training 67

Definition
Training Type Method of strengthening via increasing load on respiratory muscles or minute ventilation
   Resistive Training    Involves breathing through a small diameter hole (resistor), which limits available flow and increases ventilatory (training) load
   Threshold Training    Involves breathing with sufficient force to overcome a spring-loaded valve to enable airflow
   Normocapnic hyperpnea    Involves simultaneous training of inspiratory and expiratory muscles via re-breathing bag (at 30% to 40% of the participant’s forced ventilatory capacity) connected to a tube system and mouthpiece
Intensity Set at a percentage of maximal effort (via respiratory strength, pressure or ventilatory capacity)
Time/Duration Number of repetitions performed or amount of time spent performing training in a single session
Frequency Number of weekly training sessions or intersession time interval (i.e., 7 days per week or daily)