Leg extension (Machine leg extension, Seated leg extension, Leg extension machine, Quad extension)

Name: Leg extension demo
Uploaded: 2026-09-09T12:50:51.763Z
Duration: 13 s
Description: Leg extension: Categories: Strength. Muscles: Rectus femoris, Vastus medialis, Vastus intermedius, Vastus lateralis. Velocity: Dynamic.