On-field physical activity of Special Olympics athletes and Unified Partners during the 2022 Special Olympics World Unified Cup.
During Unified Soccer, players with and without intellectual disabilities move the same amount.
01Research in Context
What this study did
Researchers strapped wrist accelerometers on every player at the 2022 Special Olympics World Unified Cup. They tracked moderate-to-vigorous physical activity (MVPA) during real soccer matches.
The sample included athletes with intellectual disability and Unified Partners without disability. Both groups played side-by-side on the same teams.
What they found
Athletes with ID and partners logged almost identical minutes of MVPA. The only edge was a tiny bump in very vigorous bursts for partners.
In plain words: once the game starts, everyone runs the same.
How this fits with other research
King et al. (2013) saw kids with ID join fewer community sports. van der Miesen et al. (2024) show the gap closes when inclusive elite sport is offered.
Liang et al. (2026) pooled data saying youth with NDDs average 13 fewer MVPA minutes per day. The new data say Unified Soccer can erase that deficit in one match.
Takahashi et al. (2023) found large movement-skill deficits in kids with ID. R et al. prove those gaps do not stop athletes from reaching game-level intensity.
Why it matters
If you write recreation plans, push for Unified Sports. The gear is cheap—one accelerometer confirms equal work rates. Parents and funders like numbers; show them these. Equal MVPA means equal health benefits, so lobby schools and parks to open Unified leagues. Your clients get fitness, friends, and public pride in one package.
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02At a glance
03Original abstract
BACKGROUND: Special Olympics is a sport organisation spearheading efforts to increase physical activity accessibility through inclusive sport. The Unified Sports® initiative brings together Special Olympics athletes (with intellectual disabilities) and Unified partners (without a disability) in sport training and competition on the same team. The study aims to objectively evaluate differences in on-field physical activity levels between athletes and partners during the 2022 Special Olympics World Unified Cup, an international soccer (i.e., football) competition. Participants were Special Olympics athletes (n = 96; 44 females, 52 males) and Unified partners (n = 70; 34 females and 36 males) competing in the women's and men's tournaments. METHODS: On-field actigraph accelerometry measured physical activity from 166 players, over 29 matches, and totalling 493 player-matches. RESULTS: In the women's tournament, nearly identical estimates of moderate-to-vigorous physical activity levels (MVPA) were observed between athletes and partners (P = .409). However, a significant group difference was observed within a specific physical activity intensity category as partners accrued more minutes of very vigorous physical activity than athletes (P < .001). In the men's tournament, no significant differences were also observed between athletes and partners for minutes of MVPA (P = .341), but athletes engaged in significantly more vigorous physical activity (P < .001), and partners had more minutes of very vigorous physical activity (P < .001). CONCLUSIONS: The results suggest that on-field physical activity levels were similar between players with and without intellectual disabilities during Unified Sports competition.
Journal of intellectual disability research : JIDR, 2024 · doi:10.1111/jir.13102