u/Glum-Seesaw725

When my yoga teachers cue being on tip toes in chair pose, standing on tip toes to lean into my hands to jump back, or even being on my tip toes in dolphin pose - I barely lift a few centimeters. How do I improve this? What do I need to work on?

I assume some strength but also some flexibility?

When my teachers cue being on tip toes in chair pose, standing on tip toes to lean into my hands to jump back, or even being on my tip toes in dolphin pose - I barely lift a few centimeters. How do I improve this? What do I need to work on?