Jack Evans trainer tells him he needs to focus I'm more aerobic activities instead of in Nairobi activities which action dishes he had to his workout routine to most effectively make it happens women lifting weights printing yoga

To focus more on aerobic activities, Jack Evans can consider incorporating the following actions into his workout routine:

1. **Running or Jogging**: Regular sessions of running or jogging can greatly improve cardiovascular fitness. He can aim for a mix of steady-state runs and interval training.

2. **Cycling**: Whether on a stationary bike or outdoors, cycling is an excellent low-impact aerobic exercise that can help build endurance.

3. **Swimming**: This is a full-body workout that enhances aerobic capacity while being easy on the joints.

4. **Dancing**: Engaging in dance classes or dance workouts can be a fun way to improve aerobic fitness.

5. **Group Aerobics Classes**: Participating in classes like Zumba, kickboxing, or cardio kick classes can provide both motivation and structure.

6. **Rowing**: Using a rowing machine provides a great full-body workout that emphasizes the aerobic system.

7. **Hiking**: Incorporating hiking into his routine can offer varied terrain and challenges while boosting cardiovascular health.

8. **Jump Rope**: This simple exercise can significantly increase heart rate and improve coordination.

9. **Circuit Training**: Incorporate circuit-style aerobic workouts that combine bodyweight exercises with little rest in between to keep the heart rate elevated.

10. **High-Intensity Interval Training (HIIT)**: While it includes short bursts of high-intensity efforts, HIIT can be structured as an aerobic workout that improves cardiovascular fitness efficiently.

While he can still include strength training (like lifting weights) and other activities (like yoga) for overall fitness, making these aerobic exercises a priority will help him focus on his goals.