In an adult human, on average, muscles constitute about 40% of their body mass. They are the basic structural and functional elements of the musculoskeletal system based mainly on shrinkage of their fibres. This state, among others, ensures and induces motor reactions defined in a given situation, affects balance and muscle balance, the efficiency of neuromuscular connections, and also decides the efficiency of the motor system. The aim of the work was to review literature regarding the impact of treatments using vibrational stimulus on human muscle tissue. Particular attention was paid to the observed improvement of its motor properties after the completion of t vibrational therapy application. An attempt was also made to present the widest possible use of vibrational procedures in various disease states related to the functionality of muscle tissue, which is why in the present overview, the included research was differentiated in terms of target groups and investigated muscles. The analysis included domestic and foreign literature, in which the positive effect of vibrational treatments on the motor properties of adults was discussed. Studies were selected, the authors of which described the most important parameters of the vibrational stimulus used, such as: frequency, amplitude and duration of exposure. Research work from the last 15 years has been analysed (not including the historical part). However, as many as 70% of the studies referred to have been published in the last 5 years. Data from the following databases was analysed: Medline, Embase, Cochrane CENTRAL trials register, ScienceDirect, PubMed, IEEE Xplore, Wiley Online Library. Key words used: muscles, force, vibration, WBV. Numerous reports indicate the positive effect of vibrational therapy on human muscle tissue. These treatments, among others, prevent muscle atrophy, and in this way, improve or reproduce the lost motor skills of the investigated people. Treatments with the use of vibrations can be performed by the patients themselves without special supervision, the devices that trigger them are easy to use and do not require significant physical effort, which is an undoubted advantage for the elderly and ill patients as well as athletes during the restitution period. It seems wise that any future research regarding the possibility of use of using vibrations in various disease states, including covering the broadly understood pathology of the musculoskeletal system, should focus on the development of optimal parameters and conditions for the use of vibration treatments, associating them with selected disease entities, developing indications and contraindications for their use, as well as determine hypotheses of the effectiveness of undertaken activities and their scientific verification. This article is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. null
Background: The aim of the study was to compare the effect of vibration massage and passive rest on accelerating the process of muscle recovery after short-term intense exercise. Methods: Eighty-four healthy men aged 20 to 25 years participated in the study. Study participants performed isometric (ISO-M Group) and auxotonic (AUX-M group) contraction exercise in the lower limbs. Vibration massage was administered after exercise in the first recovery period. In the same period, controls rested passively, without the support of vibration massage. To assess the effectiveness of the applied vibration, a 4-fold measurement of the maximum force of the muscles involved in the exercise was performed under conditions of isometric contractions on a leg press machine set at an angle of 45° degrees upwards. Results: Differences in maximum strength during isometric contraction were found compared to baseline in favor of the groups subjected to the experimental vibration massage. Differences were demonstrated in muscle strength between the study groups (p < 0.005). The second period of passive rest in all groups did not bring significant changes in the values of maximal lower limb strength. Conclusions: Properly selected characteristics of the vibration effect can be an effective method in accelerating recovery and regaining lost motor capabilities of muscle groups fatigued by exercise. This offers the potential to shorten rest periods between sets of repetitions in training or between training units.
Purpose: The research aimed to assess the influence of vibration therapy on acceleration of muscles regeneration process after physical effort. Verification of the pace of motor capabilities recovery in fatigued muscles was performed with the use of the measurement method applying shear-wave elastography. It took into account an alteration in muscle stiffness affected by created passive stresses and accompanying deformations connected with muscles work above their resting length. Methods: The research included 42 young males aged 20–24. They all were a homogeneous group regarding body build indices (body height 175.4 ± 8.1 cm; body mass 75.5 ± 8.32 kg) and the level of physical activity. Muscles of lower limbs (hip and knee joints extensors and flexors plantaris) were subject to submaximal exercise of the auxotonic muscle work character after a 90 s warm-up. The exercise comprised 20-fold overcoming the load at the level of 75% of maximal strength abilities without rest, by alternating between extension and flexion of lower limbs joints at the leg press placed at 45° angle upward and monitoring of angle setting of lower limbs joints. The post-exercise restitution used a vibration stimulus of variable frequency ranging from 20 to 50 Hz and amplitude of 0.5 mm, and passive resting in the control group. For an objective assessment of the applied vibration effect, a 5-fold measurement of rectus femoris muscles stiffness of both limbs at the middle of venter took place after each stage of the experiment. Results: After warm-up, a considerable increase of the examined muscles stiffness, that did not vary significantly, was observed. In the DW experimental group (vibration massage), where post-exercise restitution was enhanced by vibration, significantly lower values of muscle stiffness were registered after each of the post-exercise regeneration stages in relation to the DB control group (passive rest). After the I regeneration stage, a value of the Δσ_r1-s variable (p < 0.05) lower by 16% was noticed in favour of the group enhanced by vibration. Whereas, values of muscles stiffness after the II stage of regeneration, Δσ_r2-s were by 14% lower in favour of DW group (p < 0.005). Conclusions: Enhancement of the post-exercise relaxation of muscles by vibration treatment significantly lowered the values of post-exercise muscles stiffness and turned out to be a more effective method of restitution than passive resting. Recovery of the level of muscles stiffness from before the exercise was much slower in the control group than in the one enhanced by vibration. The improved method of muscle stiffness measurement with the use of shear-wave elastography with a special head attachment turned out to be a useful tool to assess post-exercise muscles restitution.
The use of vibration stimulation in alleviating pain is an issue appearing more and more often in modern rehabilitation. The aim of the work was to review literature regarding the therapeutic usage of vibrations in analgesic activity. Searches based on the effect of alleviating pain with the help of vibrotherapy in the therapy of diseases of various origins and localizations, as well as with various physical therapy treatments and modalities. The most important parameters were determined, such as: frequency, amplitude, places of application, and exposure time, and were described on the basis of selected tests. Both the Polish and English-language literature has been discussed. Most of the studies were English-language (over 93%). The searches were carried out among the following databases: Medline, Embase, Cochrane, ScienceDirect, PubMed, IEEE Xplore, Wiley Online Library. The key words used were: pain, vibration, WBV, analgesics. The mentioned sources were qualified on the basis of: availability, data verification, selection of research material and regularity of update. While acute pain is, by definition, a short and self-limiting process, chronic pain begins to dominate life and concerns the patient and his/her family. In addition to significant deterioration in quality of life, chronic pain imposes a large financial burden. The use of vibrotherapy can be a solution. Therefore, it is proposed to further analyse the parameters of vibrotherapy in analgesic activity, which may lay the foundation for "personalized pain relief medicine", which will clearly define the standards of vibrational therapy parameters. pain, vibration, WBV, analgesics
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