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NCT07024017
Hamstring muscle flexibility plays a vital role in functional movement and in the prevention of injuries. Reduced flexibility of the hamstring muscles is common and can lead to biomechanical dysfunctions, a limited range of motion, and poor posture. Interventions such as stretching exercises and myofascial release techniques are widely used to improve muscle flexibility. Dynamic stretching, which involves active muscle movements, has been shown to significantly enhance flexibility and may be more effective than static stretching. The use of a foam roller, which is a self-applied myofascial release technique, also improves flexibility and may offer additional benefits by increasing fascial mobility without impairing muscle strength. Peripheral muscle oxygenation reflects a muscle's ability to utilize oxygen and is increasingly used to assess physical performance and fatigue. Although some studies suggest that stretching exercises and foam roller applications may improve peripheral muscle oxygenation, the evidence remains limited. This study aimed to compare the effects of a single session of isolated dynamic stretching and foam roller application on hamstring muscle flexibility and muscle oxygenation. The hypothesis proposed that dynamic stretching would be more effective than foam roller application in enhancing muscle oxygenation, while both interventions would similarly improve muscle flexibility.
NCT04334772
Electrical stimulation has a wide range of clinical applications in rehabilitation, being used for activities such as strengthening, pain control, management of edema, or control of inflammation after injury or surgery. One of the most classic forms of electrotherapy is direct current (DC), which stands out for its particular effects and which are not achieved with other forms of electrical stimulation. A new therapeutic alternative through DC is Percutaneous Microelectrolysis (MEP), which began to have a significant boom in Latin America a couple of years ago. MEP is a minimally invasive procedure in which a low intensity DC is used. MEP has been proposed as a therapeutic resource to reduce muscle contractions and shortenings, thus favoring flexibility, although research to support this effect is lacking. Muscle flexibility is an important component in rehabilitation and training programs. In lower limbs, tightness hamstring muscles is a common condition that limits flexibility and affects sedentary and athletic people. Loss of flexibility of hamstrings has been reported for different sports disciplines, showing a decrease in a high percentage with the exception of sports such as rhythmic gymnastics and dance where flexibility is essential for good performance. Loss of hamstring extensibility has been associated with a higher incidence of muscle tears, patellar tendinopathy, low back pain and alterations in lumbopelvic rhythm associated with compensatory biomechanical changes such as limb shortening, pelvic retroversion, and increased thoracic kyphosis, among others. It is interesting to investigate the effectiveness of MEP in hamstring tightness. A increase in hamstring flexibility can contribute to increased joint range, muscle strength, and lower limb agility.
NCT04716205
To determine the effects of mulligan's bent leg raise technique on hamstring flexibility and lumber spine mobility in healthy females
NCT04827082
Diacutaneous fibrolysis is a physiotherapeutic instrumental technique, used to treat musculoskeletal conditions causing pain and/or movement restriction. It is applied by means of metallic hooks, ending in a spatula with beveled edges, that seems to allow a better pressure distribution on the skin and a deeper and more precise application, compared to the manual approach. Recent studies indicate positive responses regrading pain intensity decrease in sports people suffering anterior knee pain, improving range of motion in subacromial impingement syndrome, improving sensory conductivity in symptomatic patients with carpal tunnel syndrome, decreased pain in patients with chronic epicondialgia or improveing function athletes with anterior knee pain. However, the specific action mechanism, have not been investigated in depth yet. There are no studies evaluating its effects on posterior muscular chain of lower extremity in athletes, where FD effects on neuromuscular response could be more evident due to the overload involved on this area. The aim of this study is to evaluate the immediate, and after 30 minutes, effects of a single diacutaneous fibrolysis session on flexibility, strength and neuromuscular activity on hamstring in athletes. A randomized controlled trial with blind evaluator. Randomization will be done between lower extremities of each subject (Random.org). Regardless of its own dominance, diacutaneous fibrolysis will be applied to de following muscles and intermuscular septums: gluteus maixmus, biceps femoris and semitendinosus to de lower experimental limb. The other extremity will not be treat (control limb). Sample recruitment. Athletes from UIC university community, who compete officially or institutionally, whether they are federated or recorded in a sport official register where the predominant activity focuses on the lower train (athletics, cycling, football, rugby...). Procedure. The anthropometric data will be collected at the beginning of the study. Each outcome assessment will be performed by a blinded evaluator at the baseline, immediately after the technique application and 30 minutes after.
NCT04778293
Diacutaneous fibrolysis is a physiotherapeutic instrumental technique, used to treat musculoskeletal conditions causing pain and/or movement restriction . It is applied by means of metallic hooks, ending in a spatula with beveled edges, that seems to allow a better pressure distribution on the skin and a deeper and more precise application, compared to the manual approach. Recent studies indicate positive responses regrading pain intensity decrease in sports people suffering anterior knee pain, improving range of motion in subacromial impingement syndrome, improving sensory conductivity in symptomatic patients with carpal tunnel syndrome, decreased pain in patients with chronic epicondialgia or improveing function athletes with anterior knee pain. However, the specific action mechanism, have not been investigated in depth yet. Clinical studies show improvements in strength, pain intensity, range of motion, or function. But whether if this effect is produced by changes in tissue tension or by reflexes effects, as has been suggested before, still unclear. There are no studies evaluating its effects on posterior muscular chain of lower extremity in athletes, where FD effects on neuromuscular response could be more evident due to the overload involved on this area. Thus, the aim of this study is to evaluate the immediate, and after 30 minutes, effects of a single diacutaneous fibrolysis session on contractile and viscoelastic muscle properties and mechanosensitibity by means of tensiomyography, myotonometry and algometry on posterior muscular chain of lower limb in athletes.
NCT03178604
In this study we intend to apply a treatment protocol for hamstrings that can be beneficial for a good recovery. Initially, a sample of athletes with hamstring shortening was chosen. Once the sample is chosen, it will be divided into two groups: group 1 (G.1) who will receives a sham massage, group 2 (G.2) that receives the classic massage. To finalize the study comparing the results of the two groups to observe the experimental protocol obtains better results. Material and methods The sample of an athletic club. Recruiting subjects between 18 and 45 years old without other injuries of the lower limb. Subjects with shortening of the hamstring muscles are available through the specific shortening test. This is a randomized controlled trial. Subjects were randomly assigned to two intervention groups (1 treatment and 1 placebo control). The intervention consists of 4 sessions for 1 month. The sessions have a duration of 45 minutes. Evaluations are performed at the beginning of treatment, at the end of treatment. Participants also perform strengthening exercises three days a week, a total of 3 sets with 15 repetitions each. Group 1 receives a sham massage of the quadriceps and hamstrings. Group 2 receives a classic massage of the quadriceps and hamstrings. The assessments consist of knee and hip goniometry, lumbar and hamstring flexibility by finger-to-floor testing, and complete the questionnaire Mood Status Profile (POMS), Which evaluates the states of mind.
NCT03589573
Investigator researched that the effect of trunk and lower extremity muscle strength on hamstring flexibility in children with Duchenne Muscular Dystrophy.