
Chapter 1
The biology of moving in sync
Chapter 2
The green exercise effect
Chapter 3
Global movement cultures
Chapter 4
The science of community and accountability
Ch 4 · The science of community and accountability

BETA
thabo Match wild workout buddies to discover why training together outdoors works better than you think.

thabo Every Saturday, volunteer run parkruns in over 2,000 locations across 22 countries welcome millions of non-runners to outdoor fitness.
Quiz
Who founded the free weekly 5k parkrun event, eventually earning a CBE for his services to grassroots sport?
Quiz
In which London park did the global, volunteer-led 'parkrun' movement begin back in 2004?
Fun Fact
The Triplett effect: Cyclists riding in groups go up to 25% faster than cyclists riding completely alone.

thabo Social facilitation explains why training with other people naturally boosts our physical endurance.
Quiz
In 1898, which psychologist conducted the first sports psychology experiment, discovering that cyclists rode faster in groups?
Quiz
What is the psychological term for the boost in performance we experience simply because other people are watching or participating?
Glossary
social facilitation (noun)
The tendency for people to perform differently, often better, when in the presence of others than when alone. Norman Triplett first observed this behavioral boost in 1898 while studying competitive cyclists training in groups.
The tendency for people to perform differently, often better, when in the presence of others than when alone. Norman Triplett first observed this behavioral boost in 1898 while studying competitive cyclists training in groups.
Quiz
According to health experts, the negative health impact of chronic loneliness is equivalent to smoking how many cigarettes a day?
Quiz
What is the name of the popular, free global outdoor fitness movement that started in Boston and uses city infrastructure for workouts?
Quiz
How does the release of oxytocin during group workouts affect our long-term relationship with exercise?