Table 2.

Content of “Healthy exercise behavior (HEB)” intervention

Symptom-oriented group intervention "Healthy exercise behavior (HEB)"
Session	Content
	CBT	Exercise therapy	Self-set goals for the next session
1	Introduction: structure, content and goals of HEB	Trying out different kinds of movement, playfula getting to know each other
	Reflection of individual compulsive exercise behavior
2	Risk situations for compulsive exercise	Life-kinetic exerciseb
	Behavioral analysis of compulsive exercise	Yoga
3	Group: exposure rationale and preparation Individually: actual exposures
	Norms concerning "healthy exercise": differentiation between healthy and compulsive exercise behavior	Partner exercise "walking"
4	Norms concerning "healthy exercise": differentiation between healthy and compulsive exercise behavior	Playfula movement
5	"Myths and facts": psychoeducation	Instructed exercise on body perception concerning different body structures
6	Alternatives for coping with high stress	Trying out short, intense movement intervals for releasing high stress
	Preparation: “One week with healthy leisure and exercise behavior”
7	Alternative emotion regulation: emotions as guides for needs	Expressing basic emotions
8	Review: “One week with healthy leisure and exercise behavior”	Trying out various kinds of exercise focusing on joyful, cooperative activities
	Conclusion

CBT Cognitive-behavioral therapy; ^a Playful: Exploration of movement that focuses on fun and social interaction instead of competition and energy consumption; ^b Life-kinetics: Mental training that increases physical and cognitive performance by exercises that impose both physical and cognitive demands