Study of the effects of cryotherapy and diathermy on cutaneous nerve excitability in healthy people

Barbara Szpotowicz, Anna Polak, Krzysztof Gieremek, Cezary Kucio, Janusz Kubacki, Piotr Czech

Barbara Szpotowicz, Anna Polak, Krzysztof Gieremek, Cezary Kucio, Janusz Kubacki, Piotr Czech – Study of the effects of cryotherapy and diathermy on cutaneous nerve excitability in healthy people. Fizjoterapia Polska 2011; 11(2); 123-134

Abstract
The study was designed to assess the changes of sensory excilability of the medial anlebrachial culaneous nerve (MACN) following the application of cooling and diathermy procedures in healthy people. The study involved a group of 133 healthy volunteers (aged 19 – 36 years), randomly assigned to four comparison groups A, B, C and D. In all groups, the subjects skin temperature in the medial nerve area was measured, as well as sensory excitability of the nerve. The measurements were taken immediately before and after the cooling and heating procedures, and then 20 minutes after the respective procedure was terminated. Group A received 20-minute cryotherapeutic procedures with frozen gel packs (-10oC). Group B received two-minute cooling with liquid nitrogen (at -160°C). In group C 12-minute microwave diathermy procedures (100 W) were performed. Group D received 12-minute shortwave diathermy procedures (280 W).In groups A, B and C chronaxie measured immediately after the procedure and 20 minutes later was statistically significantly longer than before the procedure. In group D no statistically significant changes were observed in chronaxie.Cooling procedures applied to the culaneous nerve at the temperatures of -10°C and -160°C and microwave diathermy reduce sensory excitability. Shortwave diathermy does not affect the cutaneous nerve excitability.
Key words:
excitability, cutaneous nerve, Cryotherapy, Diathermy
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An investigation of the effects of local thermotherapy on neuromuscular excitability in healthy people

Anna Kamykowska, Cezary Kucio, Piotr Król, Ryszard Zarzeczny, Robert Roczniok

Anna Kamykowska, Cezary Kucio, Piotr Król, Ryszard Zarzeczny, Robert Roczniok – An investigation of the effects of local thermotherapy on neuromuscular excitability in healthy people. Fizjoterapia Polska 2011; 11(3); 241-252

Abstract
The goal of the investigation was to assess neuromuscular excitability changes brought about by local cooling and warming procedures in healthy people divided into comparative groups A, B, C and D were tested for neuromuscular excitability changes. In each group, the subjects’ skin temperature was measured above the median nerve and the excitability of the flexor pollicis longus muscle stimulated indirectly via the median nerve was assessed using chronaxiemetry. Then the groups of subjects underwent respective procedures. In group A, the subjects received a 12-minute cooling procedure with gel packs at -10ºC. In group B, the subjects were applied a 2-minute cooling procedure using liquid nitrogen vapours at the temperature of –160ºC. In group C, microwave diathermy (2450 MHz) was applied to the subjects for 12 minutes. The subjects in group D received a 12-minute shortwave diathermy procedure (27 MHz). Skin temperature and chronaxie were measured again as soon as the procedures were complete and then the measurements were repeated for the third and last time 20 minutes later. Cooling procedures with gels at the temperature of -10ºC and liquid nitrogen vapours at the temperature of -160ºC as well as shortwave diathermy at 280 W inhibit neuromuscular excitability. This effect is maintained for at least 20 minutes following the procedure. Heating with microwave diathermy at 100 W does not reduce neuromuscular excitability.
Key words:
Cryotherapy, thermotherapy, Diathermy, Neuromuscular stimulation, neuromuscular excitability
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Evaluation of the effect of ultrasound therapy on pressure ulcer healing

Anna Polak, Marzena Dzikiewicz, Jakub Taradaj, Cezary Kucio, Agnieszka Nawrat-Szołtysik, Lidia Wiercigroch, Piotr Król

Anna Polak, Marzena Dzikiewicz, Jakub Taradaj, Cezary Kucio, Agnieszka Nawrat-Szołtysik, Lidia Wiercigroch, Piotr Król – Evaluation of the effect of ultrasound therapy on pressure ulcer healing. Fizjoterapia Polska 2012; 12(4); 363-378

Abstract
As well as being a long process, the treatment of pressure ulcers involves the application of different therapeutic methods. In treating soft tissue defects, including pressure ulcers, physical modalities are increasingly used.The experiment involved 24 patients (16 women and 8 men) with chronic stage II-IV pressure ulcers, who were distributed between two comparative groups, A and B. Group A consisted of 12 subjects (8 women and 4 men) whose mean age was 75.27 years (±19.24). The mean wound surface area in the group was 4.71 (±3,42 cm2). Group B (control) contained 12 subjects (8 women and 4 men) whose mean age was 77.21 (±10.32) years. The mean wound surface area in group B was 4.51 (±3,73 cm2). In addition to standard treatment for pressure ulcers that both groups received, group A patients were additionally administered ultrasound therapy (1 MHz; 0.5 W/cm2; 20%; 1 min/cm2). Healing processes were observed in both groups for 6 weeks. The wound surface area, diameter and linear measurements were found to decrease statistically significantly. Treatment results in the ultrasound group were somewhat better, but healing rates derived from changes in pressure ulcer surface areas, lengths, widths and diameters did not show the groups to be statistically significantly different (respectively 85.23% (±10.23), 78.21% (±18.16), 74.78% (±22.88), 80.23% (±7.88) in group A and 84.11% (±8.45), 74.98% (±13.12), 73.54% (±21.66), 79.01% (±8.11) in group B).Ultrasound therapy does not make pressure ulcers heal significantly faster, nor does it significantly reduce their surface areas, diameters and linear measurements.
Key words:
focused shockwave, radial shockwave, calcaneal spur
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