We tested if 8 weeks of HIT can induce a significant increase of V’O2max and of the V’O2 corresponding to gas exchange threshold (GET) and to respiratory compensation point (RCP) in oldermen. To this aim, we measured in 12 healthy male volunteers (68.7±3.9yy; 79.0±10.8kg, 171.4±5.4 cm) V’O2max, GET and RCP before (PRE) and after (POST) 8 weeks of HIT performed 3 times a week cycling 7times for 2 minutes, interspersed with 2 minutes of recovery, at about 85-90 % of V’O2max. GET was measured during an incremental test up to the limit of individual tolerance. V’O2max was measured during a subsequent constant–workload test performed at 105 % the maximal work-rate achieved on the ramp test. Absolute and relative V’O2max significantly increased by 5.4 % (PRE: 2.34±0.32 l/min; POST: 2.48±0.29 l/min, p < 0.05, effect size (ES) = 0.7) and 11.7 % (PRE: 28.8±5.66 ml/min kg; POST: 32.6±5.66ml/min kg, p < 0.05, ES = 0.8), respectively. V’O2 at GET and RCP increased by 7.2% (PRE: 17.0±2.86ml/min kg; POST: 18.3±3.81ml/min kg, p < 0.05, ES = 0.7) and 15.4 % (PRE: 22.8±3.75ml/min kg; POST: 27.0±5.30ml/min kg, p < 0.05, ES = 1.3), respectively. Moreover, RCP increased from 76.5 % of V’O2max to 82.9 % of V’O2max (p <0.05, ES = 0.7). It is concluded that 8 weeks of HIT are able to induce significant increases of V’O2maxand of exercise resistance in older adults.

Bruseghini, P., Calabria, E., Tam, E., Pogliaghi, S., Capelli, C., Effect of High Intensity Interval Training (HIT) on maximal aerobic power and ventilatory threshold in older adults, Abstract de <<64°Congresso Nazionale Società Italiana di Fisiologia>>, (Porto-Novo, Ancona, 18-20 September 2013 ), Società Italiana Fisiologia, Ancona 2013: 72-72 [http://hdl.handle.net/10807/215534]

Effect of High Intensity Interval Training (HIT) on maximal aerobic power and ventilatory threshold in older adults

Bruseghini, P
Primo
;
2013

Abstract

We tested if 8 weeks of HIT can induce a significant increase of V’O2max and of the V’O2 corresponding to gas exchange threshold (GET) and to respiratory compensation point (RCP) in oldermen. To this aim, we measured in 12 healthy male volunteers (68.7±3.9yy; 79.0±10.8kg, 171.4±5.4 cm) V’O2max, GET and RCP before (PRE) and after (POST) 8 weeks of HIT performed 3 times a week cycling 7times for 2 minutes, interspersed with 2 minutes of recovery, at about 85-90 % of V’O2max. GET was measured during an incremental test up to the limit of individual tolerance. V’O2max was measured during a subsequent constant–workload test performed at 105 % the maximal work-rate achieved on the ramp test. Absolute and relative V’O2max significantly increased by 5.4 % (PRE: 2.34±0.32 l/min; POST: 2.48±0.29 l/min, p < 0.05, effect size (ES) = 0.7) and 11.7 % (PRE: 28.8±5.66 ml/min kg; POST: 32.6±5.66ml/min kg, p < 0.05, ES = 0.8), respectively. V’O2 at GET and RCP increased by 7.2% (PRE: 17.0±2.86ml/min kg; POST: 18.3±3.81ml/min kg, p < 0.05, ES = 0.7) and 15.4 % (PRE: 22.8±3.75ml/min kg; POST: 27.0±5.30ml/min kg, p < 0.05, ES = 1.3), respectively. Moreover, RCP increased from 76.5 % of V’O2max to 82.9 % of V’O2max (p <0.05, ES = 0.7). It is concluded that 8 weeks of HIT are able to induce significant increases of V’O2maxand of exercise resistance in older adults.
Inglese
Book of abstract , 64°Congresso Nazionale Società italiana di Fisiologia
64°Congresso Nazionale Società Italiana di Fisiologia
Porto-Novo, Ancona
18-set-2013
20-set-2013
n/a
Società Italiana Fisiologia
Bruseghini, P., Calabria, E., Tam, E., Pogliaghi, S., Capelli, C., Effect of High Intensity Interval Training (HIT) on maximal aerobic power and ventilatory threshold in older adults, Abstract de <<64°Congresso Nazionale Società Italiana di Fisiologia>>, (Porto-Novo, Ancona, 18-20 September 2013 ), Società Italiana Fisiologia, Ancona 2013: 72-72 [http://hdl.handle.net/10807/215534]
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