Unlocking Post-Stroke Function: A Clinician's Guide to Trunk Control Training

This brief dives into the evidence for trunk control training to improve balance and function after a stroke. We'll break down a key systematic review and give you practical, ready-to-use protocols for your clinic.

Research: August 2021

Key Findings

1Adding core stability exercises to usual care significantly improves trunk control in post-stroke patients.
2Functional dynamic balance shows notable improvement with the inclusion of trunk-focused exercises.
3Walking speed can be increased by an average of 0.27 m/s with this intervention.
4The evidence for these benefits is of 'moderate' quality, according to the GRADE system.
5Benefits were seen in both acute and chronic stroke populations.

Hey team, let's talk about the core of the matter in stroke rehab – literally. We all know trunk control is a massive predictor of functional outcomes, but how often are we specifically targeting it with evidence-based protocols? This comes from a 2021 systematic review and meta-analysis by Gamble et al. that pulled together 11 randomized controlled trials. They found moderate-quality evidence that adding specific core stability exercises to our usual physiotherapy care significantly improves trunk control, dynamic balance, and even walking speed in our stroke patients. The study looked at 391 patients across acute, subacute, and chronic stroke phases, so these findings are broadly applicable. The interventions in the studies were pretty straightforward and things we can all do: think exercises on unstable surfaces like a physioball, bridging, and quadruped exercises. The key is the specificity and consistency. They found that a dedicated core program, on top of regular therapy, is what moves the needle. So, instead of just hoping trunk control improves as a side effect of other activities, this research strongly suggests we should be making it a primary, explicit target of our treatment plans.

Clinician's Note

Honestly, this review was a good kick in the pants for me. I think we all get so focused on the affected limb that we can sometimes neglect the foundation of all movement – the trunk. I've started being much more intentional about my core exercise prescription, especially in those early days post-stroke, and I'm seeing a real difference in the quality of my patients' movement. It doesn't have to be complicated, but it does have to be deliberate.

Clinic Action Plan

1. Assess Trunk Impairment: Start with a validated scale like the Trunk Impairment Scale (TIS) to get a baseline. 2. Incorporate Core Exercises Early: Don't wait. Begin adding specific trunk exercises to your usual care plan from the start. 3. Focus on All Planes of Motion: Include exercises that challenge the trunk in flexion, extension, rotation, and lateral flexion. 4. Sample Protocol (from the evidence): 30-60 minutes of core exercises, 3-5 times per week, for at least 4 weeks. 5. Progressive Overload: Just like any other muscle group, the core needs to be challenged. Increase difficulty by moving to more unstable surfaces, adding resistance, or increasing lever arm length. 6. Integrate into Function: The goal is not just a strong core, but a functional core. Practice incorporating trunk control into sit-to-stand, reaching, and gait activities. 7. Educate Your Patient: Explain the 'why' behind the exercises. A patient who understands the link between a strong core and their functional goals is a more motivated patient.

Common Mistakes to Avoid

•Assuming functional activities alone are enough to train the trunk.
•Neglecting rotational and lateral flexion exercises in favor of just flexion and extension.
•Failing to properly progress the difficulty of the exercises.
•Not providing enough verbal and tactile cueing to ensure correct muscle activation.

Frequently Asked Questions

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