Barbell Side Lunge vs Machine Shoulder Press

Barbell Side Lunge vs Machine Shoulder Press Strength Standards

The paired standards below show what the barbell side lunge and machine shoulder press each require at the same strength level. They are separate exercise targets rather than a prescribed difference between your lifts.

Select the appropriate sex table and nearest bodyweight, then choose a strength-level column. Values are ordered Barbell Side Lunge / Machine Shoulder Press in pounds with kilograms underneath. The calculator above handles exact bodyweight and set inputs.

Men’s Barbell Side Lunge vs Machine Shoulder Press Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

Women’s Barbell Side Lunge vs Machine Shoulder Press Standards

How to read the table: Find the closest bodyweight, then use the labeled exercise row. Every strength-level entry shows one target with pounds first and kilograms beneath it.

How Your Barbell Side Lunge vs Machine Shoulder Press Result Is Calculated

The comparison starts by estimating each max separately. It then rates both lifts against their own standards before identifying the lower result.

1. Estimate a one-rep max from each set

When the set contains one rep, the entered load is the estimate. For 2–12 reps, the calculator keeps the less aggressive of the two formula results.

• Epley: weight × (1 + reps ÷ 30)
• Brzycki: weight × 36 ÷ (37 − reps)

For the most useful Barbell Side Lunge vs Machine Shoulder Press comparison, enter clean, difficult sets performed with the same technique and range of motion you use in training. Lower-rep sets usually require less extrapolation.

2. Find the barbell side lunge strength level

The standards use the sex-specific thresholds from the individual Barbell Side Lunge tool. Targets begin at 190 lb for men and 150 lb for women, then adjust to exact bodyweight with reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

This adjustment expects larger lifters to move more weight, but it does not increase the target pound for pound with bodyweight.

3. Find the machine shoulder press strength level

For machine shoulder press, the individual exercise thresholds start from reference bodyweights of 190 lb for men and 150 lb for women. Exact-bodyweight targets use reference target × (user bodyweight ÷ reference bodyweight) to the two-thirds power.

Two-thirds scaling raises the target as bodyweight rises while limiting the size advantage that a direct one-to-one adjustment would create.

4. Compare the two results

Each max receives a level from Beginner through Elite. The lower-level lift becomes the priority. At matching levels, a priority appears only when one lift is at least 10 points farther from its next level; otherwise the result is Balanced.

Treat the result as a training comparison rather than an explanation of why one lift trails. Set quality, fatigue, skill, and training exposure all matter. Age range is recorded anonymously but does not change these standards.

The calculator above applies these steps to your exact entries and reports both lift ratings, both next targets, and the final comparison.

How Men’s Barbell Side Lunge and Machine Shoulder Press Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Machine Shoulder Press standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Machine Shoulder Press standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

How Women’s Barbell Side Lunge and Machine Shoulder Press Standards Differ

How to read this chart: Choose a strength level and follow its line across bodyweight. Values show the Machine Shoulder Press standard minus the Barbell Side Lunge standard: zero means equal, above zero means the Machine Shoulder Press standard is higher, and below zero means the Barbell Side Lunge standard is higher. Swipe horizontally on mobile. Use the standards table for exact lb/kg targets.

Barbell Side Lunge and Machine Shoulder Press Exercises Used by This Calculator

Valid results depend on using the specified barbell side lunge and machine shoulder press technique and load convention. Use strict, repeatable Barbell Side Lunge and Machine Shoulder Press tests that follow each exercise’s setup, range of motion, equipment, and load rules. Do not mix variations, assistance, partial range, momentum, or different load conventions.

Use the exercise-specific Barbell Side Lunge setup and load convention

Barbell is positioned on the upper back; high-bar or low-bar placement is allowed. Lifter begins standing upright with feet hip-width apart. Lifter steps laterally into a wide stance. Working foot remains flat and planted throughout the rep. Lifter descends by sitting into the working hip. Non-working leg remains extended with minimal knee bend. Working thigh reaches at least parallel, with hip crease at or below knee level. Each repetition counts only after returning to a fully upright standing position with hips and knees extended and feet returned under the body. Torso remains neutral with minimal forward collapse or rotation. Each rep is controlled with consistent depth, step width, and tempo. Reps are performed evenly on both sides; weaker side determines valid load and rep count. Raw lifting only; no equipped or assisted support is included. No shallow side steps without clear depth, forward or rotational lunge substitutions, excessive torso lean, momentum-assisted returns, assisted variations, machine-based lateral lunges, Smith machine variations, partial reps, uneven step widths, or equipped lifting are included. Load input represents total barbell weight only, not bodyweight. Standards reflect unilateral lower-body strength with significant lateral stability demands. Side lunges typically allow less loading than forward or reverse lunges due to reduced mechanical efficiency. Most lifters are limited by hip mobility, adductor strength, and lateral balance. Shallow depth or shortened step width will inflate results. Strict, repeatable execution is required for valid comparisons. Estimated 1RM is calculated from the entered weight used and reps.

Use the Machine Shoulder Press setup and load convention

Strict bilateral seated machine shoulder press. Enter the total selected or loaded machine resistance for both arms together. Do not enter per-side load, per-handle load, bodyweight plus load, barbell load, dumbbell load, or a free-weight equivalent. Seat and back-pad position must keep the lift as an overhead shoulder press, not a high-incline chest press. Handles start from the same controlled shoulder-level, upper-chest, or machine-defined bottom range each rep. Press to the machine-intended overhead finish with controlled elbow extension and stable shoulders. Lower under control to the same bottom range before the next rep. Keep hips, back, and torso position stable against the machine support. No leg drive, hip lift, torso heave, excessive arch, stack bounce, bottom-stop rebound, partial range, top-half pulses, forced reps, Smith machine press, barbell press, dumbbell press, cable press, landmine press, chest press, push press, jerk, or unilateral rest-pause substitution. Machine designs vary, so progress comparisons are most reliable on the same machine and setup.

Enter one recent Barbell Side Lunge result and one recent Machine Shoulder Press result

First lift: weight used and 1–12 strict reps. Second lift: total selected or loaded machine resistance and 1–12 strict reps. Pounds or kilograms.

Related Tools

• Barbell Side Lunge — View the individual Barbell Side Lunge standards and next strength-level target.
• Machine Shoulder Press — View the individual Machine Shoulder Press standards and next strength-level target.
• Barbell Cossack Squat — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Barbell Lunge — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Seated Barbell Overhead Press — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.
• Standing Strict Barbell Overhead Press — Use this related standards tool to examine a closely related exercise without mixing its result into this comparison.