Trunk muscle function in post-mastectomy women participating in water exercise

Iwona Malicka, Justyna Matyszczak, Bernadeta Vavric, Magdalena Zakrawacz, Katarzyna Pawłowska, Agnieszka Chwałczyńska, Roman Hawro

Iwona Malicka, Justyna Matyszczak, Bernadeta Vavric, Magdalena Zakrawacz, Katarzyna Pawłowska, Agnieszka Chwałczyńska, Roman Hawro – Trunk muscle function in post-mastectomy women participating in water exercise. Fizjoterapia Polska 2008; 8(2); 153-160

Abstract
Background. The aim of this study was to examine the effect of water exercise on muscular function in the sagittal plane in women following mastectomy. Material and method. The post-mastectomy women were divided into 2 groups. Group 1 consisted of 19 women participating in a programme of water exercise. The mean age was 60.2 years, with a mean height of 158 cm and mean weight of 76.2 kg. Group 2 (controls) consisted of 13 women participating in gym-based exercises. The mean age was 61.8 years, mean height was 155.6 cm and mean weight was 74.8 kg. All patients participated in two tests of trunk muscle function in the sagittal plane. A Biodex Multi Joint 3 system for isokinetic evaluations was used to measure peak torque, total work and power in the trunk muscles for the angular velocities of 60o/s and 120o/s. The examination was carried out twice: before and after the 6-month rehabilitation. Results. In Group I, a statistically, significant difference was found for the angular velocity of 60o/s in peak torque (extensors and flexors), total work and power (extensors only), and for the velocity of 120o/s there was a statistically significant increase in the peak torque of the extensor muscles. There were no statistically significant differences between the two tests in Group II.Conclusions. Regular water exercise helps to improve the strength and velocity of trunk muscles, with the extensors demonstrating a more pronounced effect.
Key words:
breast cancer, functional dynamometry, trunk, water exercises
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