Muscle Strength Clinical Trial
Official title:
Effectiveness of Muscular Work in Strength Gain of Ischiofemoral and Quadriceps: Relationshionship of Genetic Variants in Improvement of Explosive Force
NCT number | NCT03973060 |
Other study ID # | URJC |
Secondary ID | |
Status | Completed |
Phase | N/A |
First received | |
Last updated | |
Start date | October 1, 2015 |
Est. completion date | July 12, 2017 |
Verified date | June 2019 |
Source | Universidad Francisco de Vitoria |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
In the field of sports training and recovery, the work of muscular strength has become the
star theme in terms of its influence on the performance of athletes. In fact, in relation to
the training of the inferior members, the scientific evidence indicates that, to increase the
other two physical qualities conditioned (speed and resistance), it is necessary to work and
to increase the muscular strength.
Randomized intervention trial with sample size of 80 subjects divided into 4 groups (n = 20)
of muscular work: concentric, eccentric, concentric-eccentric and isometric. Ages between
21-23 years.
For all the above, the investigators will study as a main objective analyze what type of
muscular work is most effective in order to improve some variables of the performance of
explosive muscular strength, and to try to determine if that improvement is due, exclusively
to the developed training or to the genetics of the subjects and compare the results obtained
in the variables of vertical jump, power of saint, horizontal jump and speed 60 meters,
before and after the execution of each one of the muscular works dynamic among themselves,
and compared to the muscular work isometric.
Status | Completed |
Enrollment | 80 |
Est. completion date | July 12, 2017 |
Est. primary completion date | February 1, 2017 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 21 Years to 23 Years |
Eligibility |
Inclusion Criteria: - Subjects that did not present musculoskeletal lesions in the lower train at the time of the study. - Subjects that showed a serious commitment to perform the entire muscle training. - Subjects not subject to another type of training plan that could interfere with the results obtained from the measurement of the study variables. Exclusion Criteria: - Subjects with high blood pressure. |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Universidad Francisco de Vitoria | Alberto Melián Ortiz, Sofía Laguarta Val |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Cardiac frequency | Analyze cardiac frequence modifications in each intervention groups previous procedure, during the procedure and at the end of procedure. | Changes from baseline and at the end of procedure (12 days). | |
Other | Systolic and Diastolic blood pressure | Analyze both blood pressures (systolic and diastolic) modifications in each intervention groups previous procedure, during the procedure and at the end of procedure. | Changes from baseline and at the end of procedure (12 days). | |
Primary | Jump power | Mechanical power in jump tests were measured by estimated (indirect way) from a subject's jump height and body mass, by means of Sayers equation. | Changes from baseline and at the end of procedure (12 days) | |
Primary | Vertical jump | The protocol followed for the measurement was; First time: When the patient was barefoot, he placed himself sideways to a smooth wall and raised his right arm with his hand flat on the wall; The distance from the ground to the third finger of the hand (H1) was then measured. Second time: The subject was impregnated the third finger of the right hand in blue chalk powder, separated 10 centimeters from the wall and made a jump back movement with freedom to flex the lower limbs to the 90 º and move the arms, to consecutively and without any pause make a maximum vertical jump. Subsequently, this new distance was measured. This jump was made three times with a break between jump and jump of 45 seconds, and the average of the three (H2) was obtained. Third time: The value of the vertical jump was H = h1-h2. | Changes from baseline and at the end of procedure (12 days) | |
Primary | Horizontal jump | On a smooth and horizontal surface, different marks were made distanced one meter each. In the first mark the subject was placed with the feet slightly separated at the height of the hips. Then a first test jump was made; To do so, the subject was told to swing with his arms and bending his knees, he had to jump forward with the greatest possible power. Once this first Test jump was made, the second measurement was carried out, the result of which was taken into account. This result was obtained in centimeters by means of measuring tape, with a precision of one millimeter (mm), and having as points of reference the first mark and the heel of the foot more retarded. The jump was not valid if the first mark was exceeded with the feet before taking off from the ground. | Changes from baseline and at the end of procedure (12 days) | |
Primary | 60 meters sprint | On an unobstructed sand surface, a distance of 60 meters was pointed out. The measurement in seconds of this variable was obtained by means of a stopwatch. | Changes from baseline and at the end of procedure (12 days) | |
Secondary | ACTN3 polymorphism | Blood sample was taken from 10ml in EDTA tube to all subjects in the study and by PCR analyzed the polymorphism R577X which is defined in the bibliography as a predetermined for the type of muscle fibers. | Baseline. | |
Secondary | ACE polymorphism | Blood sample was taken from 10ml in EDTA tube to all subjects in the study and by PCR analyzed the polymorphism I/D that is defined in the bibliography as influential in blood pressure. | Baseline. |
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