a) Joint and free moments assisting swing leg knee flexion/extension
![](https://www.researchgate.net/publication/334767320/figure/fig1/AS:1065383524065281@1631018634477/a-Joint-and-free-moments-assisting-swing-leg-knee-flexion-extension-and-hip-flexion.png)
![](https://www.howardluksmd.com/wp-content/uploads/2022/01/Howard-Luks_hamstring-article_COVER_2022-03-10_Loraine-Yow.jpg)
Proximal hamstring tendinopathy- a true pain in the butt
![](https://www.researchgate.net/publication/314151306/figure/fig3/AS:467191033274368@1488398430023/The-mean-wear-rates-95-confidence-limits-n6-of-36mm-BIOLOX-R-delta.png)
The mean wear rates (±95% confidence limits, n=6) of 36mm BIOLOX ®
![](https://www.sportsmith.co/wp-content/uploads/2024/02/Thumbnail-v2.jpg.webp)
Hamstring strength at every length: Targeting hip extension - Sportsmith
![](https://royalsocietypublishing.org/cms/asset/fba28f9d-9fc4-46c6-abd9-9dc60ef4b47a/rsif20210326f04.gif)
Knee extension moment arm variations relate to mechanical function in walking and running
![](https://cdn.outsideonline.com/wp-content/uploads/2022/08/mobility-training-moves_s.jpg)
A Simple Mobility Routine for Happy Joints
![](https://i1.rgstatic.net/ii/profile.image/816021443207169-1571566081544_Q64/Andrew-Berry-15.jpg)
PDF) Assisting gait with free moments or joint moments on the swing leg
Leg extensions don't bother your knees. Leg extensions that are too he, Quad Focused Leg Day
![](https://docplayer.net/docs-images/46/23526778/images/page_4.jpg)
Hip And Knee ROM Custom, 60% OFF
Hip And Knee ROM Custom, 60% OFF
![](https://www.physio-pedia.com/images/thumb/e/ef/Knee_hyperextension_CP.png/300px-Knee_hyperextension_CP.png)
Flexion Deformity of the Knee - Physiopedia
![](http://media.self.com/photos/65787485bdeb1cf0efb2a7a1/master/pass/anise-romanian-deadlift.jpg)
15 Hamstring Exercises So Good You'll Actually Look Forward to Leg Day
![](https://www.researchgate.net/publication/368696868/figure/fig1/AS:11431281121752514@1677072384854/Actuator-and-joint-angle-definitions-a-Definitions-of-joint-angles-of-the_Q320.jpg)
Saher Jabeen's research works Delft University of Technology, Delft (TU) and other places