Why is ankle extension called plantar flexion?

I am 4 weeks post-op. I am at neutral (0°) position. How much were you able to flex at 4-6 weeks? : r/AchillesRupture

Ankle and Foot Exam, Stanford Medicine 25

Flexion & Extension of the Foot: Better Range of Motion & Improved Ankle Strength

THE ANKLE AND FOOT. - ppt video online download

Ankle (Talocrural) Joint - Learn Muscles

The Foot & Ankle - Global Alliance for Musculoskeletal Health

Foot Biomechanics Made Simple - Integrated Kinetic Neurology

Importance of plantar flexion – Proactive Physio Knowledge

Why is ankle extension called plantar flexion?

Foot & Ankle Muscles - Origin, Insertion, Actions & Exercises

Muscles in the Ankle - JOI Jacksonville Orthopaedic Institute

The Foot and Ankle

Foot and Ankle Motion in Cerebral Palsy

Calculation of plantarflexion moment. Plantarflexion moment during