Inclusion Criteria:  Healthy Minimum age of 18 years;  Exclusion Criteria:  Unable to provide written consent History of heart, cardiovascular and / or respiratory disease, Known untreated hypertension, cardiomyopathy, or exercise intolerance Presence of cognitive or neurological disorders Neuromuscular or orthopaedic disorder that limits the movement of the upper limb to 90° flexion or the maintenance of that position BMI ≥ 40