Calf stretch, Soleus stretch, the Gastrocnemius stretch vs four other plantar flexors of the ankle. The reason that you are not able to have full foot and ankle flexibility is due to improper stretching of the plantar flexors of the ankle. To properly stretch your plantar flexors, you should work on
Differences between Pectineus ZST and Tensor fascia latae ZST
Flexibility vs Pliability – EasyFlexibility
Frog Splits: Do Frog Splits Help with Middle Splits? – EasyFlexibility
Straddle Stretch. What is a straddle stretch? And how to do a
Pancake Stretch: Everything you ever wanted to know about this
Flexibility Pearls – EasyFlexibility
True Front Split: Stop Cheating Yourself – EasyFlexibility
Pancake Stretch: Everything you ever wanted to know about this
Eat This Fruit And Get More Flexible Instantly – EasyFlexibility
Easyflexibility - Stretching Made Easy
What to do when the progress slows down or stops when stretching