It is uncertain whether this form of training is beneficial and capable of producing sustained benefits in exercise capacity and quality of life in this population.
L-Leucine has clinical support for its benefits in exercise and sports performance, which indirectly can improve joint health or delay progressive nature of osteoarthritis [ 42, 43].
It is also unknown whether an outpatient-based, whole body exercise training program is beneficial in patients with PAH and whether this type of program is capable of producing sustained benefits in exercise capacity and HRQoL.
It is uncertain whether a pulmonary rehabilitation program delivered in its entirety at home is cost effective and equally capable of producing benefits in exercise capacity, symptoms and quality of life as a hospital-based program.
Demonstrable benefits in exercise capacity and quality of life are evident with improvements seen at 1 or 2 years following the course, even without a maintenance arm [ 13, 14].
In addition, uncontrolled studies and observational evidence suggest that postpartum women, some of whom were depressed, report benefit from participation in exercise programmes.
Finally, to ensure maximal injury prevention benefit from participation in exercise training programmes, it is essential that the quality (or fidelity) of exercise is appropriate.
The generally accepted model for exercise prescription in many chronic inflammatory diseases was moderate-intensity-aerobic continuous training with such proven benefits like increase in exercise capacity, the amelioration of stress, and an increase in quality of life.
Therefore, the combination of improved muscle capacity and anti-TNFα therapy may lead to an enhanced benefit in terms of exercise participation over and above that seen in individuals with RA not taking this medication.
This lack of benefit in our analysis may be explained by the weak glycaemic benefit of exercise in type 1 diabetes [ 19- 21].
