28-Days-to-Lean Meal Plan
With the right plan and the right discipline, you can get seriously shredded in just 28 days.
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The 'Dos' and 'Don’ts' of Bill Gillespie’s Record-Breaking Bench Press
At age 62, "Big Bill" shares his wisdom to dominate one of the ultimate strength marks.
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Girls
The 50 Best Fitness Influencers on Instagram
Follow these fit women we're crushing on for inspiration, workout ideas, and motivation.
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Open search bar button
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Search M&F
Featured Articles
Pro Tips
The 'Dos' and 'Don’ts' of Bill Gillespie’s Record-Breaking Bench Press
At age 62, "Big Bill" shares his wisdom to dominate one of the ultimate strength marks.
Read article
Girls
The 50 Best Fitness Influencers on Instagram
Follow these fit women we're crushing on for inspiration, workout ideas, and motivation.
Read article
Abs Exercises
Plank Knee Twist
- Skill Level Intermediate
- Type Strength Training
- Equipment No Equipment
- Body parts Abs, Hips, Obliques
The plank knee twist is a dynamic progression from the standard plank that builds total core strength and stability, especially in the obliques.
Instructions
-
Get into the pushup position with your hands and feet shoulder-width apart. Your body should form a straight line from your shoulders to your ankles.
-
Brace your core and bend one knee to 90 degrees, and bring it towards your opposite elbow. Return to the starting position.
Trainer’s Tips
- Don't lift your hips too high or let them sag.
- Don't allow your upper back to round as you bring your knee towards your chest.
Routines with this exercise
Hers Workouts
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Work your core, legs, and boost metabolism with these quick routines.
5-10 min
3
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