Pain in the back of the leg while running may be sciatic nerve irritation (sciatica), and not hamstring tightness. Nerves need to be mobilized differently.
Managing Calf Pain and Shin Splints When Running - Injurymap
How much step to step variation is there in running mechanics and
2 Simple Ways To Stop Sore Calf Muscles After Running - Runners Connect
What Are the True Causes of Cramps While Running?
Do You Have a Running Injury? Or Is It Just Normal Running Pain?
How much step to step variation is there in running mechanics and
Pain on inside of calves while running : r/trackandfield
Why Are My Legs Tingling?
Osteoarthritis: Therapeutic Exercise May Be What The DPT Ordered
What Causes Knee Pain After Working Out?
Why Do My Legs Feel Heavy When Running?