5 Best Smith Single-leg Split Squat Alternatives

The Smith Single-leg Split Squat is done standing with a Smith machine.

Original Exercise: Smith Single-leg Split Squat

Smith Single-leg Split Squat
Primary muscle
Quads
Equipment
Smith-machine
Difficulty
Intermediate
Type
Compound

Secondary muscles: Calves, Glutes, Hamstrings

How to perform Smith Single-leg Split Squat
  1. To begin, place a flat bench 2-3 feet behind the smith machine. Then, set the bar on the height that best matches your height. Once the correct height is chosen and the bar is loaded, step under the bar and place the back of your shoulders (slightly below the neck) across it.
  2. Hold on to the bar using both arms at each side (palms facing forward), unlock it and lift it off the rack by first pushing with your legs and at the same time straightening your torso.
  3. Position your legs by placing one foot slightly forward under the bar and extending your other leg back and place the top of your foot on the bench. This will be your starting position
  4. Begin to slowly lower the bar by bending the knee as you maintain a straight posture with the head up. Continue down until the angle between the upper leg and the calf becomes slightly less than 90-degrees (which is the point in which the upper legs are below parallel to the floor). Inhale as you perform this portion of the movement. Tip: If you performed the exercise correctly, the front of the knee should make an imaginary straight line with the toes that is perpendicular to the front. If your knee is past that imaginary line (if it is past your toes) then you are placing undue stress on the knee and the exercise has been performed incorrectly.
  5. Begin to raise the bar as you exhale by pushing the floor with the heel of your foot mainly as you straighten your leg again and go back to the starting position.
  6. Repeat for the recommended amount of repetitions.
  7. Switch legs and repeat the movement.
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Why You Might Need a Smith Single-leg Split Squat Alternative

You might substitute the Smith single-leg split squat for several practical reasons: no Smith machine at your gym, knee or hip pain that changes joint loading, or a training goal that favors free-weight stability. Alternatives let you shift load distribution, e.g., a front squat increases bilateral knee-extension torque while a Bulgarian split squat preserves unilateral balance and reduces spinal shear. Use cues like maintaining a vertical shin and driving through the heel or midfoot to bias glute or quad activation as needed. Substitutes also let you manipulate range of motion, tempo, and external load to progress hypertrophy or reduce joint stress during rehabilitation.

Smith Single-leg Split Squat FAQ

What muscles does Smith Single-leg Split Squat work?

The exercise primarily targets the quadriceps (vastus lateralis, medialis, intermedius) through knee extension. It also recruits gluteus maximus and medius for hip stability, hamstrings for posterior chain support, and core muscles to maintain torso position; drive through the front foot to maximize quad loading.

What is the best bodyweight alternative to Smith Single-leg Split Squat?

The Bulgarian split squat (rear-foot-elevated split squat) is the top bodyweight alternative: elevate your rear foot, lower until the front thigh is near parallel, and keep a tall torso to emphasize the quads. Slow the eccentric descent to increase time under tension and unilateral quad activation.

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