Breaststroke — Pulling Straps Phase Only: A Complete Guide
Quick Intro
Breaststroke — Pulling Straps Phase Only is a reformer Pilates exercise performed prone on the long box, practicing only the arm-sweep-back phase of the full breaststroke sequence in isolation. Pulling the straps from overhead down alongside the hips while lifting the chest, without the initial forward reach and breaststroke-arm phase that precedes it in the full version, this simplified pattern builds the chest lift and the pull with the large back muscles before anything else is added.
Equipment Needed
A Pilates Reformer with its long box attachment is required, since the prone position and the strap resistance are the mechanism this isolated pull works against. A strap is held in each hand throughout.
Why It Matters
Sustaining the chest lift through repeated pulls takes staying power and the pull demands a working range through the shoulders, while timing the pull with the rising chest takes coordination even in this single-phase form. A large back muscle (latissimus dorsi) drives the straps back alongside the hips, and the lower back muscles (erector spinae) sustain the chest lift through each pull. The muscles between the shoulder blades (rhomboids) squeeze together as the pull completes, and the largest glute muscle (gluteus maximus) helps stabilize the hips against the box.
When to Do It
Breaststroke — Pulling Straps Phase Only works well as a first face-down long-box exercise, learned before the full breaststroke sequence with its forward reach is attempted. Two to three sessions a week is a reasonable pace for building this isolated pull pattern.
A current shoulder or low-back issue is worth discussing with a professional before taking this on, since every rep asks the lifted chest to hold against spring tension.
Getting Ready
Reaching the arms out long overhead and feeling the shoulder blades set into position, before any pulling starts, orients the body for what comes next. A short, easy pull with only a light chest lift gives a feel for the range without committing to a full rep yet.
Step-by-Step Instructions
1. The setup. Settle face down onto the long box with both arms stretched out overhead, a strap held in each hand.
2. The lift. Raise the chest a small amount off the box, letting the upper back start the movement.
3. The pull. Draw both straps directly back to the sides of the hips as the chest continues rising.
4. The return. Guide the arms back overhead against the spring tension while the chest lowers to the box.
How Many, How Often
Breaststroke — Pulling Straps Phase Only is dosed by reps, with each full pull-and-return counting as one.
| Level | Where you’re at | What to do |
|---|---|---|
| Beginner | New to timing the chest lift with the strap pull | 2 sets of 6 to 8 reps |
| Intermediate | The chest lift holds steady through a full set of pulls | 2 to 3 sets of 8 to 10 reps |
| Advanced | Comfortable with the full range and ready to build toward the full sequence | 3 sets of 10 to 12 reps |
The shoulder-blade squeeze at the end of every pull matters more here than how many reps get completed, since a pull that comes from the arms alone leaves out the back-led pattern this exercise teaches.
Modifications and Variations
As a harder version, Breaststroke on Reformer adds the initial forward reach and breaststroke-arm phase before this same pull, layering the isolated pattern into the full circular sequence.
Common Mistakes to Avoid
Driving the straps with the arms. The arms bending and hauling the straps in, while the shoulder blades stay uninvolved, bypasses the muscles this exercise targets. The shoulder blades drawing together should lead every pull, with the arms along for the ride.
Letting the chest sink before the straps arrive. The lifted chest dropping back down early, before the hands reach the hips, undercuts the sustained extension the whole rep depends on. The lift needs to hold from start to finish for the rep to count.
Jumping ahead to the full sequence too soon. Adding the forward reach before this single pull feels strong skips the groundwork this isolated version exists to lay. Staying with this phase until it feels dependable makes the fuller sequence easier to learn.
After Your Set
Resting face down with the arms tucked in alongside the ribs for a few breaths lets the upper back settle after the repeated pulls. Gently clasping the hands behind the low back and lifting them gives the front of the shoulders a light counter-stretch.
Going Deeper
Breaking the full breaststroke sequence down to its pulling half lets the chest lift and the back-driven pull be established before the forward reach layers a second job on top of that work. Fatigue tends to show as the pull handing itself over to the arms, at the point where the back should be carrying the most load. Slowing every rep down and re-checking the shoulder blades, even in a shorter set, builds strength more reliably than powering through once the arms have taken over.
A first few sessions with this exercise usually mean a modest lift and a short set, with both growing steadily as the pattern beds in over the next couple of weeks.
How to Know You’re Improving
- A pull that clearly originates from the shoulder blades, not the arms
- A chest that holds its lifted height without dipping mid-set
- A strap path that stays straight back to the hips on every rep
- A set that lengthens as the pull technique holds up under it
A back-led pull matters more than how high the chest lifts.
Muscles Worked
- Latissimus Dorsi (a large back muscle, driving the straps back alongside the hips)
- Erector Spinae (the lower back muscles, sustaining the chest lift through each pull)
- Rhomboids (the muscles between the shoulder blades, squeezing together as the pull completes)
- Gluteus Maximus (the largest glute muscle, helping stabilize the hips against the carriage)
FAQ
Why practice the pull phase alone? Isolating the arm-sweep-back phase lets the chest lift and the pull be built cleanly, before the forward reach and the wider arm circle of the full sequence add a second phase to coordinate.
How does this differ from Breaststroke on Reformer? It’s the pull-back phase of Breaststroke on Reformer repeated alone, with no forward reach or arm circle.
Is some upper-back or shoulder fatigue after this exercise normal? A sense of having worked the upper back and shoulders through a full set of pulls is expected and not a cause for concern. A pain that stays sharp and stuck to one point in the shoulder between sets is worth mentioning to a doctor or physical therapist.
When is it time to add the forward reach? Once the pull feels strong and the shoulder-blade squeeze happens reliably on every rep, layering in the forward reach and the wider arm circle of the full sequence is a reasonable next step.
How often should the pulling phase be practiced? Two to three times a week, as a first face-down long-box exercise, suits most people building toward the full breaststroke sequence.
Related to Breaststroke on Reformer as the harder version with the forward reach and full arm circle added.