Machine Plate Loaded Leg Extension 4s · no sound

Machine Plate Loaded Leg Extension

A plate-loaded seated leg extension that isolates the quads — the heavier-feeling, gym-staple cousin of the selectorized version.

Primary muscle
Quads
Equipment
Machine
Difficulty
Beginner
Movement
Isolation
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How to do it

  1. Sit in the machine and align your knees with the machine's pivot point by adjusting the back pad.
  2. Hook your shins behind the roller pad with the pad just above the ankle joint, not on the foot.
  3. Grip the side handles, brace your core, and press your back firmly into the seat.
  4. Extend the knees smoothly until the legs are straight, driving the lever arm up with the quads.
  5. Squeeze hard at the top with toes pulled toward the shins, holding the contraction for a beat.
  6. Lower the lever slowly over 2 to 3 seconds back to the start, keeping tension on the quads throughout.

Common mistakes

  • Loading too many plates and dropping the lever fast, which trains momentum instead of the quads.
  • Cutting the range short on either end, which trains only the easy middle of the motion.
  • Lifting the hips off the seat to muscle the lever up, shifting work away from the target.
  • Hyperextending the knees at the top under heavy load, slamming the joint instead of stopping clean.

Muscles worked

Primary
Quads

Good to know

What muscles does the Machine Plate Loaded Leg Extension work?
Mainly the quads.
What equipment do you need for the Machine Plate Loaded Leg Extension?
It uses a machine. Without it, the Wall Sit trains the same muscles the same way.
Is the Machine Plate Loaded Leg Extension good for beginners?
GymVim rates it beginner.

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