# Box Plank Walk-Up

A moving plank where your hands walk from the floor onto a box and back down, one hand at a time, while your feet stay put. Trains the abs and obliques to hold the body straight as the support changes, with extra work for the shoulders and triceps.

- Intermediate · Compound
- Equipment: Plyo box, Flat bench
- HD video: https://media.seto.fit/exercises/climber-a-padded-stool-supported/video/male.mp4
- HTML: https://seto.fit/exercises/box-plank-walk-up/

## Muscles worked

- Abs: 8/10
- Obliques: 6/10
- Lower back: 3/10

## How to do the Box Plank Walk-Up

1. Start in a high plank, hands under shoulders, arms straight.
2. Walk one hand onto the box, then the other.
3. Walk back down one hand at a time to the floor.
4. Keep your hips level and switch the lead arm each rep.

### Full technique — 8 steps

1. Set a sturdy box on the floor a short distance in front of your hands.
2. Start in a high plank with your hands under your shoulders and your arms straight.
3. Extend your legs behind you and place your feet hip width apart on the toes.
4. Tighten your stomach, squeeze your glutes, and keep your ribs in line with your pelvis.
5. Place one hand on the box, then the other, keeping your arms straight.
6. Walk one hand back down to the floor, then the other, to return to the start.
7. Keep your hips level and your body in one straight line during every step.
8. Lead with the other arm on the next rep.

## Common mistakes

- Letting the lower back sag
- Piking the hips too high
- Rotating or shifting the hips
- Walking the feet toward the box
- Rushing reps and losing the straight line

## Form cues

- Keep hips level
- Squeeze glutes hard
- Keep ribs down
- Switch lead arm each rep
- Keep feet still

## How much to do

- **Strength**: 3–4 sets of 6–8 reps · rest 1 min 30 s · 2 reps in reserve · lower 1 s, lift 1 s
- **Muscle growth**: 3–4 sets of 8–12 reps · rest 1 min 15 s · 2–3 reps in reserve · lower 1 s, lift 1 s
- **Endurance** (good fit): 2–3 sets of 12–20 reps · rest 45 s · 3–4 reps in reserve · lower 1 s, lift 1 s

Reps in reserve: how many more you could still do when you end the set.

## Substitutes by equipment

Same muscles, same movement — pick the version you have the gear for.

- **Dumbbells**: [Dumbbell Sit-Up to Press](https://seto.fit/exercises/dumbbell-sit-up-to-press/), [Dumbbell Decline Sit-Up to Press](https://seto.fit/exercises/dumbbell-decline-sit-up-to-press/)

## Where to start and where to go next

Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.

- Easier: [Three Legged Downward Dog](https://seto.fit/exercises/three-legged-downward-dog/) — 35% of bodyweight
- Easier: [Plank to Lunge](https://seto.fit/exercises/plank-to-lunge/) — 45% of bodyweight
- **This exercise: Box Plank Walk-Up — 50% of bodyweight**
- Harder: [Plank Up-Down](https://seto.fit/exercises/plank-up-down/) — 60% of bodyweight
- Harder: [Dumbbell Tuck-Up](https://seto.fit/exercises/dumbbell-tuck-up/) — Intermediate

## Quick answers

### What muscles does the Box Plank Walk-Up work?

Primary: Abs 8/10. Also works: Obliques 6/10, Lower back 3/10.

### When should I do the Box Plank Walk-Up in a workout?

Accessory. Goes after the main lifts. ≈ 5 min with rest.

### How many sets and reps of the Box Plank Walk-Up?

Strength: 3–4 sets of 6–8 reps, rest 1 min 30 s, 2 reps in reserve. Muscle growth: 3–4 sets of 8–12 reps, rest 1 min 15 s, 2–3 reps in reserve. Endurance: 2–3 sets of 12–20 reps, rest 45 s, 3–4 reps in reserve.

### What can I do instead of the Box Plank Walk-Up?

Dumbbells: Dumbbell Sit-Up to Press, Dumbbell Decline Sit-Up to Press.

### What is an easier version of the Box Plank Walk-Up?

Plank to Lunge (45% of bodyweight), Three Legged Downward Dog (35% of bodyweight).

### What is a harder version of the Box Plank Walk-Up?

Plank Up-Down (60% of bodyweight), Dumbbell Tuck-Up (Intermediate).

How we rate exercises: https://seto.fit/guides/methodology/

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