Effectiveness of Pronate-Supinate Pipe in Sub-Acute Stroke Patients: A Randomized Controlled Trial


  • Jirawan Prodbumrung Physical Therapy Department, Buddachinnaraj hospital
  • Waroonapa Srisoparb Department of Physical Therapy, Faculty of Allied Science, Naresuan University
  • Suvinai Sangrahy Department of Physical Therapy, Nakhonthai Crown Prince Hospital


pronation, supination, sub-acute stroke, upper limb functional activity


Background and Objective: Muscle weakness is the main cause of upper limb functional activity (ULFA) limitation post-stroke. This study aimed to develop a piece of novel equipment, the pronate-supinate pipe, to improve upper limb muscle strength and to investigate the effectiveness of the pronate-supinate pipe

Method: A randomized controlled clinical sixteen sub-acute stroke patients were randomly allocated to experimental (n=8) and control groups(n=8). Both groups received a 45-minute conventional physical therapy program 3-day / week for 4 weeks. The experimental group received a strength training program for pronator and supinator muscles using the pronate-supinate pipe 15 times/ set for 3 sets with a 2-minute rest interval at each set for 30 minutes before the conventional physical therapy. The primary outcome was ULFA as measured by the Streamlined Wolf Motor Function Test for sub-acute stroke patients (SWMFT-Sub-acute). The secondary outcomes were pronate/ supinate active range of motion (AROM), grip muscle strength and upper limb motor recovery as measured by a goniometer, hand grip dynamometer and the Fugl-Meyer assessment for upper extremity (FMA-UE) respectively. Measurements were conducted at baseline and post-intervention.

Results: The result of this study showed that ULFA, pronate/ supinate AROM, grip strength and upper limb motor recovery of the experimental group at post-intervention improved from baseline significantly (p<0.05) but did not differ from the control group.

Conclusions: The pronate supinate pipe training has a superior effect on ULFA than the conventional physical therapy alone.


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How to Cite

Prodbumrung J, Srisoparb W, Sangrahy S. Effectiveness of Pronate-Supinate Pipe in Sub-Acute Stroke Patients: A Randomized Controlled Trial. SRIMEDJ [Internet]. 2022 Oct. 19 [cited 2024 Jun. 15];37(5):525-32. Available from: https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/255839



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