lower back intermediate compound barbell

Seated Good Mornings

A intermediate compound movement that trains the lower back with a barbell.

Force Type

Pull

compound

Difficulty

Intermediate

compound

Variations

4

equipment swaps

Muscles

2

primary + secondary

The verdict

Seated Good Mornings has 4-step instructions, more thoroughly documented than most of the 27 lower back exercises PlainExercise catalogues.

Ranked against the 27 lower back exercises PlainExercise currently catalogues, not the full exercise-science literature.

lower back

Seated Good Mornings is a intermediate compound movement that trains the lower back along with glutes. It requires a barbell. There are 4 known variations and 0 peer exercises that target the same primary muscle.

  • 4 equipment variations documented
  • Level: intermediate

PlainExercise cross-links 4 variations and 0 peer exercises sharing the same primary muscle.

What the Seated Good Mornings Data Reveals

Seated Good Mornings is classified in the PlainExercise database as a intermediate-level compound movement with a pull force profile, primarily training the lower back with secondary engagement of the glutes. The canonical form requires a barbell, and the movement falls within the powerlifting category. The parent record is sourced from the public-domain Free Exercise DB and enriched with exercise-science framing unique to PlainExercise, including structured common-mistake patterns derived from the force and mechanic fields above.

Within the same primary-muscle cohort, the lower back is trained by 1 catalogued movement in total, meaning any practitioner planning a session has at least 0 alternatives that load the same tissue through different joint angles or equipment profiles. PlainExercise has also mapped 4 equipment variations of Seated Good Mornings itself, allowing substitution when the canonical setup is unavailable. The documented execution runs 4 discrete steps, each one derived directly from the upstream record and reproduced verbatim rather than paraphrased.

Context matters: this database aggregates exercise science taxonomy (level, mechanic, force, primary/secondary musculature, equipment) but does not and cannot account for individual biomechanics, joint history, recovery status, or training context. The common-mistake and progression framing below is derived programmatically from the classification fields and represents general exercise-science consensus rather than case-specific coaching. This is not medical or personal-training advice. Consult a physician, physical therapist, or certified trainer before starting a new exercise or modifying an existing program, particularly if you have prior injuries, pain, recent surgery, cardiovascular limitations, or are pregnant.

Muscles worked

Primary
lower back
Secondary

Exercise profile

Profile attributes for Seated Good Mornings
Attribute Value
Difficultyintermediate
Mechaniccompound
Forcepull
Equipmentbarbell
Categorypowerlifting
Primary musclelower back
Secondary muscles1
Variations available4

Source: Free Exercise DB (CC0); profile derived per exercise record.

Muscles worked

According to the Free Exercise DB classification, Seated Good Mornings trains the lower back as the prime mover, with 1 muscle assisting. The source classifies muscles as primary or secondary, it does not measure activation, so we show involvement, not percentages.

Prime mover lower back
Also worked (1)
glutes
Level: intermediate Mechanic: compound Force: pull

Source: Free Exercise DB primary/secondary muscle classification. Involvement, not measured activation, actual recruitment varies by load and form.

Intensity context

For reference, here is where common activities sit on the MET intensity scale. Seated Good Mornings does not have a measured MET in the source data, its intensity depends on the load and effort you use. Estimate calories for any activity with the calorie calculator.

MET Intensity Zones, Exercise Intensity Chart Horizontal bar chart showing how six common exercises map to four MET intensity zones: Light (1-3 MET), Moderate (3-6 MET), Vigorous (6-9 MET), and Very Vigorous (9+ MET). Walking at 3.5 MET falls in Moderate; Jump Rope at 12.3 MET reaches Very Vigorous. Light Moderate Vigorous Very Vigorous 0 3 6 9 12 15 MET (Metabolic Equivalent of Task) Walking 3.5 Cycling 6.8 Jogging 7 Swimming 9.8 Jump Rope 12.3 Light (0-3 MET) Moderate (3-6 MET) Vigorous (6-9 MET) Very Vigorous (9-+ MET)

MET values from the Compendium of Physical Activities (Ainsworth et al., 2011). A general reference scale, not a rating of this specific movement.

How to do it

  1. Set up a box in a power rack. The pins should be set at an appropriate height. Begin by stepping under the bar and placing it across the back of the shoulders, not on top of your traps. Squeeze your shoulder blades together and rotate your elbows forward, attempting to bend the bar across your shoulders.
  2. Remove the bar from the rack, creating a tight arch in your lower back. Keep your head facing forward. With your back, shoulders, and core tight, push your knees and butt out and you begin your descent. Sit back with your hips until you are seated on the box. This will be your starting position.
  3. Keeping the bar tight, bend forward at the hips as much as possible. If you set the pins to what would be parallel, you not only have a safety if you fail, but know when to stop.
  4. Pause just above the pins and reverse the motion until your torso it upright.

Common mistakes

  • Rushing through reps, controlled tempo (2-3s down, 1-2s up) is what drives muscle tension on Seated Good Mornings, not raw speed.
  • Cutting the range of motion short - moving the lower back through its full safe range on Seated Good Mornings is what most reliably separates effective reps from wasted ones.
  • Treating a compound lift like an isolation movement - Seated Good Mornings recruits multiple joints; bracing the core and engaging stabilizers matters as much as the prime movers.
  • Shrugging the shoulders up toward the ears on pull movements, keep shoulder blades down and back to load the correct muscles.
  • Breathing out of sync with the lift on Seated Good Mornings - brace and inhale during the lowering phase, exhale on the exertion, especially important with a barbell where control matters most.

Who this is for

  • People with 6+ months of consistent training who can perform basic compound lifts with good form
  • People who want to train the lower back and secondarily glutes
  • People who have access to a barbell

Who this is NOT for

  • Anyone with acute pain in the joints or muscles involved, pain is a stop signal, not a soreness signal
  • People with unresolved injuries in the loaded joints, seek clearance from a physical therapist first
  • Anyone with a recent surgery, cardiovascular limitation, or pregnancy complication without physician clearance

Progression path

Once Seated Good Mornings feels comfortable with your current load, progress by (a) adding reps until you can complete 12+ per set, (b) increasing resistance by 2.5-5%, (c) moving to harder variations such as single-limb or longer lever versions, and eventually (d) stepping up to expert-level movements that train the same muscle.

Safety notes

  • Sharp or joint pain is a stop signal. Muscle soreness during sets is normal; pain is not.
  • Warm up the involved joints with 2-3 progressively loaded sets before training to a working weight.
  • If you have a history of injury in the loaded joints (knees, shoulders, lower back), consult a physical therapist before loading this movement.
  • General information only. Consult a physician or certified trainer before starting any new exercise program.

Variations

Alternate versions of this movement with different equipment.

Using the seated good mornings

A intermediate compound movement for the lower back - here's how to put it to work.

  • Train the lower back 2–3 times a week with 48+ hours between hard sets; pair this with other lower back movements for balanced development. All lower back exercises
  • No barbell? 4 documented variations swap the implement without changing the movement pattern. See variations
  • As a compound lift, this trains several muscles at once, anchor your session around it before isolation work. Compound vs isolation

Form before load. If a movement causes sharp or joint pain, stop and substitute a safer alternative, this is general information, not medical or training advice.

Source: Free Exercise DB (CC0) + wger.de (AGPL), 2026 Free Exercise DB (CC0) + wger.de (AGPL), 2026

Data source: Derived from the public-domain Free Exercise DB (CC0) and wger.de (AGPL). Editorial framing (common mistakes, safety notes, audience guidance, progression path) is original to PlainExercise. See the methodology page.

Disclaimer: General information only. Not medical or personal-training advice. Consult a physician or certified trainer before starting any new exercise program.

Data as of: July 2026 (last ingest from source)

Every figure on PlainExercise is compiled from public exercise-science and biomechanics references, no number is typed in by an editor. Exercise data is compiled directly from the Free Exercise DB and wger.de, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.