Core-strength exercises strengthen your core muscles, including your abdominal muscles, back muscles and the muscles around the pelvis. Strong core muscles make it easier to do many physical activities. You can do core-strength exercises on a carpeted floor or mat.
LInk to video workout.
Great for increasing your range of motion or for warming down after a tough workout: this yoga-inspired session is designed by to help you increase flexibility and improve strength in your joints. Controlled articular rotation exercises make this ideal for runners looking to enhance their stability.
Link to the exercise
https://www.youtube.com/watch?v=zEf_WrwSXPY
Great strengthening core workout.
Link to the workout
https://www.youtube.com/watch?v=-2lYFY_qREk&t=55s