DUR1 Health - Straight leg raise vs. bent knee leg raise. Which one is more effective when working on your abs? With straight leg raise, as you're raising your legs, the muscles
![Bent Leg Raises | Forget Crunches — According to This Trainer, These Are the Most Effective Flat-Belly Exercises | POPSUGAR Fitness Photo 3 Bent Leg Raises | Forget Crunches — According to This Trainer, These Are the Most Effective Flat-Belly Exercises | POPSUGAR Fitness Photo 3](https://media1.popsugar-assets.com/files/thumbor/CedfdbvgmTkqZO2Iw3kTZLTe1fA/fit-in/2048xorig/filters:format_auto-!!-:strip_icc-!!-/2018/08/09/735/n/1922729/0f3f5e2d46f453ef_Bent_Leg_Raise_AW-720/i/Bent-Leg-Raises.gif)
Bent Leg Raises | Forget Crunches — According to This Trainer, These Are the Most Effective Flat-Belly Exercises | POPSUGAR Fitness Photo 3
![exercise - Difficult to keep legs up during double lying leg raise - Physical Fitness Stack Exchange exercise - Difficult to keep legs up during double lying leg raise - Physical Fitness Stack Exchange](https://i.stack.imgur.com/ERhgs.jpg)
exercise - Difficult to keep legs up during double lying leg raise - Physical Fitness Stack Exchange
![Target Your Lower Abs With Support Knee-Ups (Bent-Knee Leg Raises) Aka, "The Captain's Chair" | Member Login Area | Tom Venuto's Burn the Fat Inner Circle - Weight Loss - Fat Loss - Target Your Lower Abs With Support Knee-Ups (Bent-Knee Leg Raises) Aka, "The Captain's Chair" | Member Login Area | Tom Venuto's Burn the Fat Inner Circle - Weight Loss - Fat Loss -](https://www.burnthefatinnercircle.com/members/images/1074.png)