Expert climbers use their thumb as a secondary point of contact on nearby crystals or bumps to maintain balance while shifting weight. 2. Training for "Mature" Finger Strength
A popular "6-minute protocol" involves 30 seconds of finger rolls and extensions followed by 10-second hangs on large holds to load connective tissues without causing fatigue. free solo mature thumbs
For veteran climbers, the thumb acts as a "secret weapon" to provide stability on minuscule holds where a standard grip isn't possible. 1. Thumb & Hand Techniques for Experienced Soloists Expert climbers use their thumb as a secondary