The N-CON group followed same guide, BUT, heavy-resistance exercises were performed on a separate day from cardiovascular training >30 minutes duration. The CON group followed a standardise rehabilitation programme (previously published OsCell rehabilitation protocol). We randomly assigned patients to a Concurrent (CON) or Non-Concurrent (N-CON) group. So we set out to test it in an ACI (Autologous Chondrocyte Implantation) patient group. We posited that often in patient populations exercise, both strength and endurance can present a significant challenge, and in rehab we typically present exercise concurrently. Okay, so that’s fine, but does this have any relevance in rehab? I and my co-authors wondered the same. To Separate Strength & Endurance Exercise In Rehabilitation? The key things to consider from an exercise perspective is that when both strength and endurance stimuli are challenging, there’s a greater opportunity for the interference effect to happen, particularly if the endurance exercise precedes strength training. If you want to read more of this topic, see the Coffey & Hawley paper below and a recent paper by Maurlasits et al, unfortunately only the former is open access.
Get posts like this straight into your inbox! Also the timing and order of training sessions may have a role to play, as well as the participant characteristics. A lot seems to be dictated by the intensity of the exercise stimuli, meaning if both strength and endurance stimuli are significantly challenging. As mentioned above, this is likely to be associated with training status of individuals, length, volume and intensity of exercise, with low training frequencies (typically <3days/week). Just to be clear, there’s quite a bit of debate in the literature about the certainty of the interference effect when we ask the question “why separate strength & endurance exercise” associated with training strength and endurance in close proximity. That is to say that muscle strength gains can be attenuated if training is performed in close proximity to endurance training and not the other way round (for the most part). Also it’s pretty certain that it’s strength that comes off worse. old), and exercise type and duration (some refs below).
lower body) participant characteristics (elite athletes vs. Whether or not this interference effect occurs can depend on several factors, such as, muscle groups trained (upper vs.
Make sense? Why Separate Strength & Endurance Exercise: The Interference Effect For example, training strength and endurance in the same session. Concurrent exercise training: do opposites distract? J Physiol 595.9 pp 2883–2896 (Open access)īasically put, the interference effect happens when the body is challenged with different stimuli when one type of training is performed immediately prior to the second stimulus, factors such as acute local or systemic fatigue may interfere with the later performance.
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