A randomized controlled trial was conducted, recruiting 24 eligible kayakers aged 14-22 years from the Jiangxi training base, China. Participants were randomly assigned to the SUCT group and the DUCT group. Both groups completed a 12-week unstable core training program consisting of 1-hour sessions, 3 times/week. Balance ability was assessed using the flamingo balance test and star excursion balance test. Trunk muscle strength was assessed using the abdomen, back, side bridge tests, sit-up, back extension, and trunk rotation tests. Paddling performance was evaluated using the average stroke power and stroke rate for the men's K-1 200m land ergometer sprint tests.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
24
The SUCT group performed static exercises (Plank on BOSU ball, Shoulder Bridge on Swiss ball, Side Plank on wobble boards, Dead Bug on BOSU ball, Static Superman on BOSU ball).
The DUCT group performed dynamic exercises (Crunch on Swiss ball, Supine Hip Up on BOSU ball, Palfo Press on wobble boards, Dynamic Superman on BOSU ball, Russian Twist on BOSU ball).
Jiangxi training base
Yingtan, Jiangxi, China
Flamingo balance test score
Static balance ability assessed via the flamingo balance test
Time frame: Baseline (before intervention), immediately after 12-week training intervention
Star excursion balance test (SEBT) reach distance
Dynamic balance ability assessed via the star excursion balance test
Time frame: Baseline, immediately after 12-week training intervention
Trunk abdominal stability index
Abdominal trunk stability measurement
Time frame: Baseline, immediately after 12-week training intervention
Trunk back stability index
Back trunk stability measurement
Time frame: Baseline, immediately after 12-week training intervention
Trunk flexion dynamic strength
Trunk flexion strength
Time frame: Baseline, immediately after 12-week training intervention
Trunk extension dynamic strength
Trunk extension strength
Time frame: Baseline, immediately after 12-week training intervention
Stroke power (kayak ergometer)
Kayak paddling stroke power
Time frame: Baseline, immediately after 12-week training intervention
Stroke rate (kayak ergometer)
Kayak paddling stroke rate
Time frame: Baseline, immediately after 12-week training intervention
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