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Mechanisms are Not Clinical Outcomes but Both Are Very Important
By: Chad E Cook PT, PhD, FAPTA What are Mechanisms? The term “mechanism” reflects the theoretical steps or processes through which an intervention (or some independent variable) unfolds and produces a change in a patient. For example, a cortisone injection for a frozen shoulder works by stopping the release of regional molecules that cause inflammation […]
Null statistical hypothesis testing, confirmation bias, and statistical significance
By: Sean P. Riley, PT, DPT, ScD Null statistical hypothesis testing aims to prevent confirmation bias [1]. The researcher creates the null hypothesis by converting the research question to a research hypothesis and then converting the research hypothesis to the null hypothesis. This should happen before starting data collection starts. The researcher should use statistical […]
Sham Manual Therapy: An Oxymoronic Approach
By: Chad E Cook PT, PhD, FAPTA Overview In this blog, I hope to show that there is no proper way to perform a sham orthopaedic manual therapy (OMT) study in a way that unambiguously allows a comparison between an intervention and therapeutic intent. The idea is good. The execution is likely not possible.
Manual Therapy Myths
By: Chad E Cook PT, PhD, FAPTA Myths and health Accordingly to the Oxford dictionary, a myth is a widely held but false belief (or idea). We commonly encounter health-related myths in our daily lives. For example, despite what you may have heard, cracking ones knuckles does not cause arthritis. Coffee doesn’t stunt the growth […]
