Many exercises performed in the gym are standing, seated or lying on a bench. Try to add in more kneeling exercises for an added core work.
How To Fix Knock Knees (Exercises To Correct Knee Valgus)
The Benefits of Yoga for Bad Knees
Michael Wood Fitness
Get Strong Abs With These Jefit's Core Programs
German Volume Training Plan: It's All About Muscle Hypertrophy
How to Do Crunches Correctly — Plus 14 Variations
Michael Wood Fitness
4 Pull-Up Exercises to Build a Strong, Powerful Upper Body
Stop Knee Pain Now! 5 Exercises To Strengthen Your Knees
Standing Core Exercises: How to Do Them, Plus the Benefits