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The Rest Break Myth

Why “taking a break” doesn't necessarily mean you're making therapy easier

  • What if the rest break you're trying to minimize is actually the thing allowing your patient to get more out of the next exercise?
  • We often treat rest as something that needs to be minimized. But a shorter rest period isn't automatically a better option for every patient. Research on resistance training shows that rest interval duration influences subsequent exercise performance. Longer rest can help people maintain repetitions and training intensity.
  • Clinical Pearl: Not every patient needs long rest periods. Rest should be prescribed based on the goal of the intervention and the patient's response, not just because the clock is running.
    • A 2023 systematic scoping review of recovery from resistance exercise in adults age 65 and older found substantial variability and inconsistent findings in required recovery time. Recovery should therefore be individualized rather than prescribed by age alone.

How to Implement

STOP → RECOVER → PREPARE → WORK

  • Allow heart rate and breathing to recover.
  • Incorporate “active rest break” with pursed lip breathing
  • Reduce excessive fatigue.
  • Restore the ability to produce force.
  • Improve movement quality.
  • Reduce compensatory strategies.
  • Prepare the patient for the next task.
  • Provide an opportunity for education and self monitoring.
  • Maintain engagement.

The Training-Intensity Connection

  • A systematic review of 23 studies found that robust strength gains can occur with short rest intervals, but longer intervals (>2 minutes) may be needed to maximize strength gains in resistance trained individuals.  In untrained individuals, 60-120 seconds may be sufficient (Grgic et al., 2018).
  • A review of 35 studies reported that, with loads around 50–90% of 1-Rep maximum, 3-5 minutes of rest allowed greater repetitions across multiple sets and could support greater strength and power by helping maintain training intensity and volume (de Salles et al., 2009).

If fatigue causes a patient to perform fewer repetitions or use increasingly poor mechanics, a slightly longer recovery interval may allow more productive practice.

Example: Sit-to-Stand

  • Short recovery: Set 1: 8 repetitions → 30 seconds → Set 2: 5 repetitions → 30 seconds → Set 3: 3 repetitions with increasing compensations.
  • Longer recovery: Set 1: 8 repetitions → 90 seconds → Set 2: 8 repetitions → 90 seconds → Set 3: 7 repetitions.

In this example, the longer rest strategy may produce more high quality repetitions. The goal is not to make therapy easier; it is to preserve the quality and quantity of the work that matters.

Fatigue Can Change the Exercise

  • Think of a Sit to Stand early in the session: the patient leans forward, loads the legs, and reaches upright. After repeated sets without adequate recovery, the same patient may use more UE assistance, generate more trunk momentum, lose knee extension, slow substantially, or become less stable.
  • This can lead to practicing a fatigued compensation strategy.
  • Sometimes the goal isn't to see how long a patient can tolerate poor movement quality. It is to provide enough recovery that they can continue practicing the movement correctly.

The Rest Break Audit

  • Is the patient actually recovered?
  • Has breathing and o2 returned toward baseline or the intended recovery state?
  • Can the patient maintain good movement quality?
  • Are compensations increasing?
  • Is fatigue limiting the next set?
  • Is the goal strength, endurance, power, or function?
  • Could this rest period be used therapeutically?
  • Would another 30–60 seconds allow substantially better performance?

Active Rest: Make the Break Part of Therapy

  • Rest does not have to mean the patient sits in a chair while the therapist watches the clock, or documents a note. A recovery interval can be intentionally structured.
  • Pursed Lip Breathing: During recovery, coach a slow inhale followed by a controlled exhale through pursed lips when appropriate and consistent with the patient's needs.
  • Seated Heel Raises / Toe Raises: Use low load ankle movement during recovery when it does not interfere with recovery from the primary task.
  • Postural Reset: Correct sacral sitting, reposition pelvis, feet, trunk, shoulders, or head/neck and use the break to prepare for better mechanics.
  • Cognitive Recovery: Use recovery for self monitoring and education.
  • Motor Planning Reset: Preview the next set: “Next time, focus on keeping your knees aligned.”

The Rest Break Prescription

Instead of documenting only “patient required seated rest break,” consider documenting:

  • Why did the patient need recovery?
  • How long was recovery required?
  • What did the patient do during recovery?
  • What changed after recovery?

Then connect recovery to the therapeutic goal. This turns an apparently passive event into meaningful information about dosing, tolerance, pacing, safety, and performance to make these “breaks” more defensible.

Documentation Examples

  • Pt required 60 second seated rest break secondary to fatigue following 8 repetitions of Sit to Stand (STS). Pt demo improved tolerance and movement quality following recovery and completed subsequent set of 7 repetitions.
  • Pt required 90 second seated recovery following standing therapeutic exercise secondary to increased fatigue and dyspnea. PT instructed pursed lip breathing during recovery, with cues to “breathe in slowly through nose, and out through lips slowly.” Following rest, pt demo improved respiratory control and completed subsequent exercise with decreased compensatory trunk movement.
  • Following 75 ft ambulation, pt required seated recovery secondary to fatigue. During rest period, PT instructed postural repositioning and breathing strategies. Pt subsequently ambulated an additional 100 ft with improved upright posture and decreased reliance on UE support/furniture.
  • Pt completed seated heel raises/toe raises during 60 second recovery interval between standing exercise sets to promote continued LE movement and ROM while allowing recovery from the higher intensity activity.
  • During 90 second recovery interval, OT provided education regarding pacing for energy conservation, and facilitated pt identification/education of primary fatigue related movement compensation. Pt verbalized understanding and demonstrated improved movement strategy during the following trial. 

 

References:

de Salles, B. F., Simão, R., Miranda, H., Novaes, J. da S., Lemos, A., & Willardson, J. M. (2009). Rest interval between sets in strength training. Sports Medicine, 39(9), 765–777. https://doi.org/10.2165/11315230-000000000-00000.

Grgic, J., Lazinica, B., Mikulic, P., Krieger, J. W., & Schoenfeld, B. J. (2017). The effects of short versus long inter-set rest intervals in resistance training on measures of muscle hypertrophy: A systematic review. European Journal of Sport Science, 17(8), 983–993. https://doi.org/10.1080/17461391.2017.1340524.

Grgic, J., Schoenfeld, B. J., Skrepnik, M., Davies, T. B., & Mikulic, P. (2018). Effects of rest interval duration in resistance training on measures of muscular strength: A systematic review. Sports Medicine, 48(1), 137–151. https://doi.org/10.1007/s40279-017-0788-x.

Hayes, E. J., Stevenson, E., Sayer, A. A., Granic, A., & Hurst, C. (2023). Recovery from resistance exercise in older adults: A systematic scoping review. Sports Medicine - Open, 9, 51. https://doi.org/10.1186/s40798-023-00597-1.

Latella, C., Grgic, J., & Van der Westhuizen, D. (2019). Effect of interset strategies on acute resistance training performance and physiological responses: A systematic review. Journal of Strength and Conditioning Research. https://pubmed.ncbi.nlm.nih.gov/30946261/.

Give it a rest: A systematic review with Bayesian meta-analysis on the effect of inter-set rest interval duration on muscle hypertrophy. (2024). https://pubmed.ncbi.nlm.nih.gov/39205815/.