A combined training intervention programme increases lean mass in youths with Down syndrome.
Twenty-one weeks of jump-plus-conditioning training safely builds lean muscle in youths with Down syndrome.
01Research in Context
What this study did
González-Agüero et al. (2011) ran a 21-week program for youths with Down syndrome. The kids did conditioning drills plus plyometric jumps three times a week. A control group stayed with their usual routine. Researchers tracked lean mass and fat mass before and after.
What they found
The training group gained total and lower-limb lean mass. Fat mass did not change. The control group showed no gains. The program built muscle without adding fat.
How this fits with other research
Shields et al. (2013) repeated the idea with student-led resistance training. They also saw stronger legs in teens with Down syndrome, showing the finding holds across gyms and mentors. Suarez-Villadat et al. (2020) stretched the idea into the pool. Thirty-six weeks of swimming trimmed waist size, proving water works too. Sosnowski et al. (2022) moved the concept to adults. Three basketball sessions a week for six months gave even bigger fitness gains, so benefits climb with age. Titlestad et al. (2019) pooled 27 trials and found large strength and balance gains across all exercise types, confirming the field trend.
Why it matters
You now have a menu: land jumps, weights, water, or sport. Pick one the client enjoys and run it at least twice a week. Track leg strength every month; it is the first place gains show. Share the data with parents to keep buy-in high.
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02At a glance
03Original abstract
AIM: The present study aimed to determine whether youths with Down syndrome (DS) are able to increase lean mass and decrease fat mass, after 21 weeks of conditioning combined with a plyometric jumps training program. METHODS: Twenty-six participants with DS (15 males) aged 10-19 years joined the study. Participants were divided into two comparable groups, exercise (EG; n = 13) and control (CG). Total and regional (trunk, upper and lower limbs) lean and fat masses were assessed by dual energy X-ray absorptiometry (DXA), at baseline and after the intervention. ANCOVA tests were used to evaluate differences between groups in pre- and post-training moments. Repeated measures of ANOVA adjusted by the increments in height and Tanner were applied to test the differences between pre and post-training moments. Adjusted percentages of change were calculated and differences between groups evaluated with Student's t test. RESULTS: After the training period, EG showed an increase in total and lower limbs lean mass, while no changes in adiposity depots were observed. CG did not change neither the lean mass nor the fat mass except for decreased upper limbs fat mass (all p < 0.05) during the same period of time. As a result, time by exercise interactions were found for whole body and lower limbs lean mass (both p < 0.05). No differences in the percentage of fat were observed between groups at baseline or post-training. Overall, 21 weeks of conditioning combined with plyometric jumps training was an effective method for increasing lean mass in youths with DS; however, no changes in fat mass were observed.
Research in developmental disabilities, 2011 · doi:10.1016/j.ridd.2011.07.024