![Conor Harris on Twitter: "LATERAL HAMSTRINGS Biceps femoris (long head) = 50–60 degrees of knee flexion Biceps femoris (short head) = 70–80 degrees of knee flexion MEDIAL HAMSTRINGS Semitendinosus = 90–100 degrees Conor Harris on Twitter: "LATERAL HAMSTRINGS Biceps femoris (long head) = 50–60 degrees of knee flexion Biceps femoris (short head) = 70–80 degrees of knee flexion MEDIAL HAMSTRINGS Semitendinosus = 90–100 degrees](https://pbs.twimg.com/media/Ef5jMyKUMAA_pVx.jpg)
Conor Harris on Twitter: "LATERAL HAMSTRINGS Biceps femoris (long head) = 50–60 degrees of knee flexion Biceps femoris (short head) = 70–80 degrees of knee flexion MEDIAL HAMSTRINGS Semitendinosus = 90–100 degrees
KinectMD - HAMSTRING INJURY EXPLAINED . 💥Hamstrings consist of 3 muscles (biceps femoris- long head, semitendinosus, and semimembranosus) located at the back of the thigh and allow the leg to flex at
![Human Muscle Anatomy - Biceps Femoris Long Head Stock Photo, Picture And Royalty Free Image. Image 32521337. Human Muscle Anatomy - Biceps Femoris Long Head Stock Photo, Picture And Royalty Free Image. Image 32521337.](https://previews.123rf.com/images/eraxion/eraxion1410/eraxion141000373/32521337-human-muscle-anatomy-biceps-femoris-long-head.jpg)