Whereas beetroot juice (BJ) supplementation is shown to increase physical performance in endurance activities, its benefits in neuromuscular function and strength performance has been barely studied. In this cross-over randomized placebo-controlled study, we investigated the effects of BJ acute supplementation in improving neuromuscular performance in amateur climbers
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
10
One serving of 70 mL of BJ (6.4 mmol of NO3) 3h before initiating the testing session
One serving of 70 mL of juice (0.005 mmol of NO3) 3h before initiating the testing session
Universidad Francisco de Vitoria
Pozuelo de Alarcón, Madrid, Spain
Changes in rate of force development (N/s) at 50, 100 and 200 ms; and at 95% of maximal force
Using a force sensor
Time frame: 1 week
Changes in nitrites and nitrates levels in saliva (μmol/L)
Using specific kit ELISA analysis
Time frame: 1 week
Changes in maximal number of pull-ups
Time frame: 1 week
Changes in maximal isometric handgrip strength (kg)
Using a dynamometer
Time frame: 1 week
Changes in maximal jump height (cm)
Maximal jump height using a contact platform
Time frame: 1 week
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