This study aims to evaluate the potential benefits of Monopolar Capacitive Resistive Radio-frequency (448 kHz) on the sports performance of Paralympic swimmers.
A randomized, double-blind, crossover, controlled and sham-controlled clinical trial Evaluate the effectiveness of resistive capacitive diathermy as sports performance enhancement of Paralympic elite swimmers compared with a "sham" diathermy treatment and with a control group. The resistive capacitive diathermy is a medical device supplying low (448 kHz) radiofrequency with a maximum output power of 200 W, used to improve physiological aspects and theoretically allowing improvement in swimming performance. The sham diathermy treatment is administered with the device set on "on" but not active (not supplying energy) and control group will not receive anything, randomly assigned to either resistive capacitive diathermy treatment (group 1), sham-treatment (group 2) or control (group 3) athletes are submitted to a twenty minutes session prior swimming performance. The main outcome measures are the simulate swimming time trial (seconds) to assess time completing the presented course and Borg Scale for perceived exertion. Outcome measures are administered at completing each time trial.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
13
Intervention is conducted using a 65-mm diameter Resistive (RES) electrode (movable), and a planar electrode was used as a return electrode on the abdomen. The electricity is administered in the following manner: cream was applied to the upper limbs existent area, and the electrical output is marked at 75% by moving the movable electrode and if not tolerated by the patient lowered until 35%, Therapy is conducted for 20 minutes, prior swimming time trials.
Placebo is conducted using a 65-mm diameter RES electrode (movable), and a planar electrode was used as a return electrode on the abdomen. The electricity IS NOT administered, the cream was applied to the upper limbs existent area and moving the movable electrode, intervention is conducted for 20 minutes, prior to swimming time trials.
Universidad Complutense de Madrid
Madrid, Spain
Time-trials (Experimental Group)
Time in Seconds that takes the athlete since taking off from the edge of the pool until reaching two different distances, 50 and 100 meters, measuring each distance twice, time will be measure by technical digital chronometer.
Time frame: through study completion, an average of 4 months
Time-trials (Placebo Group)
Time in Seconds that takes the athlete since taking off from the edge of the pool until reaching two different distances, 50 and 100 meters, measuring each distance twice, time will be measure by technical digital chronometer.
Time frame: through study completion, an average of 4 months
Time-trials (Sham Group)
Time in Seconds that takes the athlete since taking off from the edge of the pool until reaching two different distances, 50 and 100 meters, measuring each distance twice, time will be measure by technical digital chronometer.
Time frame: through study completion, an average of 4 months
Change of Perceived exertion (Experimental Group)
To measure the athlete's qualification of their exertion the Borg Rate of Perceived Exertion (RPE) Scale® will be used, previously validated and with the proper license, measures will be taken pre/post-competition.
Time frame: through study completion, an average of 4 months
Change of Perceived exertion (Placebo group)
To measure the athlete's qualification of their exertion the Borg Rate of Perceived Exertion (RPE) Scale® will be used, previously validated and with the proper license, measures will be taken pre/post-competition.
Time frame: through study completion, an average of 4 months
Change of Perceived exertion (Sham group)
To measure the athlete's qualification of their exertion the Borg Rate of Perceived Exertion (RPE) Scale® will be used, previously validated and with the proper license, measures will be taken pre/post-competition.
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This group will warm-up as they usually do in competitions, for later time trial measuring.
Time frame: through study completion, an average of 4 months
Age
Birth date collected from the questionaire
Time frame: through study completion, an average of 4 months
Sex
Man or Woman
Time frame: through study completion, an average of 4 months
International Paralympic Committee Classification.
Code between S1-10, S11-13 or S14
Time frame: through study completion, an average of 4 months
Weight.
Weight in kilograms
Time frame: through study completion, an average of 4 months
Height.
Height in centimeters
Time frame: through study completion, an average of 4 months
Daily training time.
Time of training comprehended on the following intervals 0-3 hours/3-6 hours/\>6hours
Time frame: through study completion, an average of 4 months
Comorbidity
Presence of different conditions that might interfere with the study.
Time frame: through study completion, an average of 4 months
Best swimming stroke
Choose between breaststroke, butterfly stroke, front crawl or backstroke.
Time frame: through study completion, an average of 4 months
Personal mark 50 mts.
Best time record for 50 meters distance
Time frame: through study completion, an average of 4 months
Personal mark 100 mts.
Best time record for 100 meters distance
Time frame: through study completion, an average of 4 months