Table 1.

Session overview and subjects

Session	Topic
1	Introduction to bouldering, support for group cohesion, obtaining an overview of the physical abilities of the participants
	● Introduction to mindfulness-breathing techniques
	● First steps into bouldering: safety rules, getting to know the place, spotting, difficulty of routes
	● First experiences with bouldering, sharing
2	Old habits – new ways
	● Body perception in shifting the focus
	● Bouldering techniques II: Self-awareness, body perception, centre of gravity. Focussing on legs instead of arms
	● Different ways of bouldering the same boulder: old habits vs. new possibilities
3	Expectation versus experience, healthy handling of limitations
	● Focussing on the moment: what are my expectations of me?
	● Feelings of limitation: when is it better to push, when to ease up?
	● Bouldering techniques III: different possibilities for holding and stepping
4	Self-efficacy: the power of small steps
	● Self-efficacy and one’s own experiences
	● Bouldering techniques IV: twisting and Egyptian
5	Fear and trust
	● Fear, anxiety, and panic: what to do?
	● Breathing and other techniques when experiencing fear
	● Differences between objective risks and false alarms
6	Trusting yourself and trusting others
	● Acknowledging and accepting your own limits
	● Accepting help from others
	● Handling the emotions of shame or disappointment
7	Transfer to daily life
	● Sharing of lessons learned
	● One’s own daily life problems: transferring to bouldering situations and back?
8	Reflection of lessons learned, free topic (reflecting the group’s wishes)