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Smith Frankenstein Squat animation

How to do the Smith Frankenstein Squat

LegsQuadsSmith MachineBeginner

The Smith Frankenstein Squat strips away arm assistance and forces your quads to own every inch of the movement, building the kind of front-thigh strength that transfers to nearly every lower body pattern. Mastering it on the Smith Machine gives beginners the stability needed to groove perfect mechanics before loading gets serious.

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Muscles worked

Primary
Quadriceps
Secondary
GlutesHamstringsCalves

Step-by-step

  1. Set the bar across your upper chest with arms extended straight out in front of you, parallel to the floor, and position your feet slightly forward of the bar.
  2. Brace your core, keep your chest tall, and initiate the descent by pushing your knees forward over your toes in a controlled squat.
  3. Lower until your thighs reach parallel or slightly below, keeping your torso as upright as possible throughout.
  4. Drive through the full foot to stand, squeezing your quads at lockout before beginning the next rep.

Common mistakes

  • Letting the arms drop during the set, which shifts load off the quads and defeats the purpose of the exercise — cue yourself to keep arms locked parallel to the ground for every single rep.
  • Placing feet directly under the bar instead of slightly in front, which forces excessive forward lean — shift your stance forward until your torso stays nearly vertical.
  • Rushing the descent and losing tension at the bottom — control the lowering phase for a full two counts to keep the quads loaded and protect the knees.

Pro tip — As you descend, actively think about pushing your knees outward against an imaginary resistance rather than just dropping down — this keeps the VMO and outer quad fibers firing maximally and prevents the knees from caving under fatigue.

Sets & reps by goal

Build muscle3–4 sets × 6–10 reps
Get stronger4–5 sets × 3–6 reps
Lose fat / tone3 sets × 10–12 reps

Rest: 2–3 min between sets (60–90s on lighter days).

More Legs exercises

Barbell Bench Front SquatBarbell Bench Front SquatBarbell Front Chest SquatBarbell Front Chest SquatBarbell Full SquatBarbell Full SquatBarbell Good MorningBarbell Good MorningBarbell LungeBarbell LungeBarbell One Leg SquatBarbell One Leg Squat
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