Final answer:
The first step in core progression focuses on simple exercises like crunches, leg lifts, push-ups, and planks. Incorporating variety and consistent practice while using helpful resources leads to better core strength development.
Step-by-step explanation:
The first step in core progression focuses on simple exercises that improve core strength. These exercises may include crunches, leg lifts, push-ups, and planks. By starting with these basic movements, you can build a solid foundation before moving on to more complex routines. Variety in your workout routine, such as varying the length and structure of sentences in writing, makes the process more interesting and can lead to better results. It's also beneficial to utilize resources that offer detailed explanations and photos for proper form, and to practice consistently to achieve the best outcomes in your core development journey.