USA archery coaches have access to general training plans for archers. These plans are generally good. If you work with a coach that coach might make changes on such a plan to meet the specific needs of an archer. It is good to have a plan.
Among an archer’s training plan a coach might include activities for fitness. Those activities may include cardio workouts and weight training. Both are excellent for archery. Another element of a training plan may include stretching. The focus is, of course, on archery.
Plans should include periodization. That means a cycle based on workloads prior to specific tournaments, base training, and recovery. The cycle might include exercises that cover volume and intensity. They can also focus on unique points for technique improvement.
One simple measure of training is going to be arrow count. It takes a lot of arrows to ‘get good’ even more to become ‘great.’
Starting new to recurve it is important not to overdo it from the beginning. Throughout the training there are periods of several days in a row where there is no shooting. Becoming an excellent archer takes time. No one gets there overnight. A plan can reduce wasted time and provide a foundation for growth in the sport.