Create 10 practical exercises for targeted promotion of mobility that people of all ages and fitness levels can easily integrate into their daily lives.

Context: [mobility, flexibility, stretching exercises, joint health, mobility, everyday life, fitness, muscle relaxation, prevention, health]

Goal: [improvement of joint and muscle mobility, prevention of injuries, enhancement of physical well-being, easy implementation without special equipment]

For each exercise explain:
1) a clear description of the exercise including starting position and movement sequence
2) tips for correct execution and common mistakes
3) recommended frequency and duration of the exercise in everyday life

The exercises should:
- be performable without special equipment
- be suitable for both beginners and advanced
- cover different body areas (e.g. spine, hips, shoulders)
- contribute to sustainable improvement of mobility
- ideally make sensible use of short breaks in everyday life