A current research led by researchers on the College of the Sunshine Coast (UniSC) suggests that prime depth interval coaching (HIIT) could possibly be one of the efficient methods for older adults to scale back physique fats whereas sustaining muscle mass.
The analysis in contrast totally different train intensities in wholesome older adults and located that every one ranges of train produced some fats loss. Nonetheless, solely HIIT helped contributors protect lean muscle.
“We discovered that prime, medium and low depth workouts all led to modest fats loss however solely HIIT retained lean muscle,” stated lead creator and train physiologist Dr. Grace Rose of the College of the Sunshine Coast.
Train Depth and Physique Composition
The research explored how train depth impacts physique composition, an vital consider general well being as folks age.
In response to Dr. Rose, reasonable depth train additionally helped scale back physique fats, however it got here with a draw back.
“Whereas reasonable coaching lowered fats mass, it additionally brought on a small decline in lean muscle,” she stated.
“Each excessive and reasonable intensities improved the composition of weight carried across the center. Additional evaluation is required of the low depth outcomes.”
Dr. Rose famous that the findings are significantly vital as a result of modifications in physique composition are linked to the event and development of many continual ailments later in life.
Six Months of Supervised Train
The research included greater than 120 wholesome older adults from the Higher Brisbane area. Contributors accomplished three fitness center based mostly train periods every week over a six month interval.
On common, contributors had been 72 years previous and had a median physique mass index of 26kg/m2, which is taken into account regular for adults over age 65.
The findings had been revealed within the journal Maturitas. The venture concerned researchers from UniSC’s Wholesome Ageing Analysis Cluster in addition to The College of Queensland.
Why HIIT Might Defend Muscle
UniSC Affiliate Professor of Physiology and research co-author Mia Schaumberg stated the analysis arrives at a helpful time, as many individuals deal with well being and health objectives in the beginning of a brand new yr.
“With the festive season now behind most of us and New Yr’s resolutions in full swing, this analysis may help inform folks’s plans for wholesome getting old in 2026,” she stated.
Within the research, HIIT consisted of repeated quick intervals of very demanding train adopted by simpler restoration durations.
“Excessive depth coaching on this research concerned repeated quick bursts, or intervals, of very arduous train — the place respiratory is heavy and dialog is tough — alternated with simpler restoration durations.
“HIIT possible works higher as a result of it places extra stress on the muscle tissue, giving the physique a stronger sign to maintain muscle tissue slightly than lose it.”

