Business & Clients
Dynamic Rest Fills The Gap Between Sets And Keeps The Main Lift Fresh
From the FASTER syllabus: this article is taught in full in the Fitness Programming Specialist course →
In short: Our Fitness Programming Specialist course, Module 1, treats a rest period as time that has a job. Dynamic rest replaces passive rest with low-load movement on different muscles, so the main exercise still recovers. A 2025 meta-analysis of supersets found the same total volume in a shorter session when an agonist is paired with an antagonist. The course asks you to give every rest exercise a goal, or call it filler.
The short version
In a paid one to one session, a lot of minutes can go on standing still between sets. Our Fitness Programming Specialist course gives that time a job. The practice is called dynamic rest: low-load movement on different muscles that keeps the client doing something useful while the main exercise recovers. The course is open that it is anecdotal, and then tests the part that matters against the research.
Key Takeaways
- Passive rest is replaced with low-load work that leaves the main exercise its recovery.
- After a heavy press, a band pull or a light lower-body pattern fits. Another press does not.
- In 2025, a meta-analysis of supersets found the same total volume in a shorter session, with push and pull pairings keeping volume up.
- Every rest exercise needs a goal. Without one, the course calls it filler.
What the course asks first
Module 1, "What Rest Periods Are For", starts with a sum the client has already done. In Task 3 they added up the time spent standing still. Now the course asks what each of those resting minutes does for the person paying for it.
It also points at the opposite habit. Some trainers fill every gap with more work and never check whether that work takes away the recovery the main exercise needed. Both habits skip the same step, which is working out what this particular rest period has to protect.
Where dynamic rest comes from
John learned the practice from his business mentor, Bob Esquerre, and has used it for years. The course says plainly that nobody has run a trial of it in personal training, so it presents it as a practice that has worked for him and for the trainers he has taught.
Bob's own tip is to wear a loud band when you train a client one to one. The course says you do not need the band, and that a band is a great visual that clients talk about.
What the research can test
The research cannot test dynamic rest directly. It can test the question underneath it: does filling the rest period cost the main exercise anything? Supersets are the closest thing studied.
In 2025, Zhang and colleagues published a meta-analysis in Sports Medicine finding that supersets produced the same total repetitions and volume load as traditional sets in a shorter session, with similar long-term gains in strength and muscle size. Pairing mattered. Agonist and antagonist pairings, such as a push followed by a pull, kept volume up. Pairing exercises with similar biomechanics reduced it.
On rest length itself, a 2024 Bayesian meta-analysis by Singer and colleagues in Frontiers in Sports and Active Living found a small hypertrophy benefit from resting longer than 60 seconds and nothing appreciable beyond about 90 seconds.
The rule for filling the gap
The course turns those findings into one rule. The active rest exercise must not take away the rest the previous exercise needs. If the main exercise was a heavy press, the dynamic rest can be a band pull or a light lower-body pattern. It cannot be another press.
The course is straight about how far the evidence goes. Supersets are close to dynamic rest and not the same thing, so they suggest dynamic rest probably costs nothing when it uses different muscles at low load, and may cost volume when it uses the same ones.
Building it, one gap at a time
The build is practical. Take your list of exercises with their goals, intensities and rest times. Write down bodyweight, band or other low-load exercises, enough to fill every gap. Lay the programme out again with those in the rest times and check each one against the exercise it follows.
Then ask what each one is for. It can build a skill, add volume for a muscle that was not working, or add to the experience. If it has no goal, the course calls it filler.
Where this sits in the course
This is one lesson in Module 1, which is about editing and refining a programme you already run. The task at the end has the trainer rewrite a real programme and research one pairing they use, drawing an evidence standard line before reading anything. Our learning is visual and interactive, with video, reading, written answers and dictated answers all available.
Where PT Manager fits
PT Manager keeps the programme card where the session happens, so the rest exercises sit in the plan beside the main ones. It opens the moment you sign up with FASTER, so you can build in your own name straight away. Adding real clients unlocks once you pass a course. It is free with any FASTER course.
What to do next
Read about the Fitness Programming Specialist course and see what the rest of Module 1 covers. FASTER Daily News sends you each day's blog links, the latest on new courses and live opportunities, and updates to PT Manager, free for students. Sign up at /newsletter.
You just read one answer. The course is all of them.
the Fitness Programming Specialist course: every answer marked by a real tutor, with free return access for life. The price is on the page, payment plans at checkout, no sales calls.
Also worth a look: PT Manager, free with any FASTER course.
See what the course covers →What every FASTER student gets
Built around you, not around the course
- A real person marks every answerEvery answer is read and marked by a tutor, with written feedback.
- Marked as you goEach teaching point is marked as you answer it, not at the end of the module.
- Dictate instead of typeA microphone on every written answer: say your answer and it types it for you (Chrome, Edge and Safari).
- Listen to the lessonsVoice-overs on the lessons, and the audio to download.
- Built for the way your brain worksShort lessons, one point at a time, marked as you go, with the choice to listen, read, print or speak your answers.
- Streaks that never punish youYou set how many days a week you want to study. Miss a day and your streak pauses; it is never lost.
- Accessible to WCAG AA, with an AAA optionEvery page measured against the WCAG accessibility standard: no faults at level A or AA, with a skip link, screen-reader labels and pages that hold together zoomed to 400%. A high-contrast option takes it to AAA.
- Keep it plainOne switch turns off the extras, the streaks, the badges, the celebrations and the movement, so the site stays plain and calm. Switch them back on whenever you like.
- Bigger text and wider spacingTwo steps of bigger text, and more room between lines, words and letters, on every page.
- Calmer motionOne switch stops animations and videos that play on their own. It is on already if your phone or computer asks for reduced motion.
- A personal video lessonWhen an answer needs real explaining, your marker records a video that lands in your course.
- A note before you sendBefore you send, the page tells you if your answer copies the lesson word for word, so you can put it in your own words.
- The skeleton and muscle labsTap any bone on the skeleton, and see the muscles light up on the model.
- Print the notesPrint the lessons and go old school.
- Case studies on your phoneBuilt into the site, saved as you go, there on your laptop when you sit down.
- Pin it to your home screenNo App Store and no Google Play. It is just there.
- No resit feesWork sent back is a chance to add more, with no resit fee.
- Return access for lifeQualify once and come back to the content whenever you need it.
- PT Manager from day onePT Manager is yours to learn on from the day you sign up. Using it with real clients comes once you hold your Level 3 and are listed on the FASTER Trainer Register.
- The FASTER Trainer RegisterA free listing on the Register once you qualify.
- Your certificates in one placeEvery course and its certificate on one page.
- Ask JohnThe Ask John button on every page, and his WhatsApp.
And PT Manager, free
55 tools to run your business, with no monthly fee and no cut of your money
PT Manager is yours to learn on from the day you sign up. Using it with real clients comes once you hold your Level 3 and are listed on the FASTER Trainer Register.
See all 55 tools
Set-up
- Import clients Bring a whole client list across in one go.
- My quotes Daily lines your clients see — yours, not stock.
- Programme templates The programme shapes you reuse — a session or twelve weeks. Pick one for a client, get your own copy.
- Exercise library Every exercise with FASTER coaching detail.
- Your business plan Budget, 12 month cash flow, SMART objectives, SWOT and your ideal customer. Prints as your plan.
- Money Products, payments and who owes what.
- Send from your own email Connect your own email service so invites arrive from you, on your domain.
- My brand & client view What your clients see when they walk in — views, header, accent, logo.
- Your enrolment pack What every new client gets the moment you enrol them — your forms, ours, or a mix.
- Products and services What you sell — blocks, packages, memberships and one-offs, with their prices.
- Insurance Your policy on record — provider and expiry. Client features unlock while it is valid.
- My menu Switch any tool on or off — for your menu, your home and your whole account.
- Your website A free website on your own web address, filled from PT Manager. Or just the client sign-in door on your domain.
- Your public page Your verified Trainer Register listing, linking out to your own site and socials.
Business day to day
- Clients Your client list — invite, open a client, manage their space.
- Clubs Group your clients — a board they share, a programme or a monthly price if you want one.
- Challenges A dated push everyone logs against — for everyone you train, or for one club.
- Calendar Sessions, classes, capacity and bookings.
- Reminders The dates your business can't let lapse — insurance and first aid, nagged ahead of time.
- Nudges Who needs a nudge today — opportunities, one tap each.
- Who needs chasing Every conversation about money, in the order to work through them.
- What needs doing Your own list, in your own words — the jobs you keep meaning to get to.
- Till Sell at the desk — cash, card or on their phone — and download the sales sheet.
- What you are making What is coming in every month, what was paid in the last 30 days, and what sells.
Templates and systems
- Forms & interviews PAR-Q, consent, consultations and your own forms.
- Coaching room The coaching tools shelf — wheels, journeys and resources in one place.
- Radar wheels Build a life or performance wheel a client fills in — see change over time.
- Nutrition by FASTER Nutrition sheets and habits without meal-plan pretence.
- Pathways Automated coaching journeys you assign to clients.
- Programmes Start a programme — a session, a month, 12 weeks or a season — and find the ones you have built.
- Old school programme design Type a programme like a document: sections and a table of sets, reps, weight, rest and notes.
- Games & drills planner Build game-based sessions and drills.
- Sport screens Pick a sport — the shots to film, the analyser, and a ready-made radar of the qualities that matter.
- Movement screen → radar Read joint angles off the analyser — they auto-score and fill a radar wheel.
- Assessment builder Build and run client assessments and re-tests.
- Tag analytics Every tag across your clips, grouped and exportable.
Client
- AI prompts Your reusable prompt library for coaching copy.
- Workout library Short workouts your members put together by how they feel and how long they have.
- Before & after Side-by-side progress comparisons.
Trainer tools
- Exercise generator Fresh exercise ideas from constraints you set.
- FASTER dice & wheel Spin-and-roll session variety for groups and games.
- Movement demonstrator A 3D model of the FASTER movement patterns — body or skeleton view, prime movers lit up, live joint angles.
- Client video analysis Your media library — client folders and your own. Pick a clip to analyse.
- Movement by FASTER (HMAC) Human movement analysis charts — see how a client moves.
- Live analysis Mount your phone and coach live — skeleton, reps, angles and depth in real time.
- Tell a group One thing, to the right people — and you see exactly who it reaches first.
Media centre
- Video builder Reels, stories and client report videos, in your own branding.
- Image builder Branded posts and cards for your socials, at the right size.
- Shot list builder Every shot with its size, angle, lens, kit and sound, in shooting order, ticked off on the day, printed or sent.
- Storyboard builder Plan a video shot by shot: what the camera sees, what is said, the move and the cut.
- Script writer Write what you will say, with the word count and how long it takes to say.
- Teleprompter Read your script off the screen at your speed, and film yourself behind it.
- Content calendar Your hot topics, your series and every post planned by week and year, from idea to posted.
- Video and image organiser Everything you have made and every source you can pull from.
- Ad builder Make your own ads, coached as you go, in your branding. As many as you like, no fee, no cap.
Frequently asked
What is dynamic rest?
Low-load movement that fills the gap between sets while the main exercise recovers, instead of standing still. The course describes it as an anecdotal practice that John has used for years.
What can dynamic rest be?
Bodyweight, band or other low-load work on different muscles, such as a band pull after a heavy press.
Do supersets cost volume?
A 2025 meta-analysis found supersets gave the same total repetitions and volume load as traditional sets in less time, and pairing a push with a pull kept volume up.
How long should rest between sets be?
A 2024 Bayesian meta-analysis found a small hypertrophy benefit from resting longer than 60 seconds and nothing appreciable beyond about 90 seconds.
When does PT Manager open?
The moment you sign up with FASTER. Adding real clients unlocks once you pass a course.
Reading this for your own training? Every trainer on the FASTER register has been assessed by us — search by town or speciality, free.
Find a FASTER trainer →
