Do sweep rowers symmetrically activate their low back muscles during indoor rowing?

Readi, N. G.; Rosso, Valeria; Rainoldi, Alberto; Vieira, Taian

doi:10.1111/sms.12319

Cited by 19 publications

(19 citation statements)

References 39 publications

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“…The rowing activity involves the coordinated actions of the lower limbs, the trunk and the upper limbs muscles [2,41]. The present study showed a significant relationship between lower and upper limbs' muscular profiles (▶ Fig.…”

Section: F-v and P-v Profiles Of Lower Vs Upper Limbssupporting

confidence: 50%

Relationship between Force-Velocity Profiles and 1,500-m Ergometer Performance in Young Rowers

et al. 2017

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Rowing races require developing high level of force and power output at high contraction velocity. This study determined the force-velocity and power-velocity (F-P-V) profiles of lower and upper limbs of adolescent rowers and their relationships with a 1,500-m rowing ergometer performance. The power developed during the 1,500-m (P) was evaluated in fourteen national-level male rowers (age: 15.3±0.6 yrs). F-P-V profiles were assessed during bench pull (BP) and squat jump (SJ) exercises. The theoretical maximal values of force (F), velocity (V), power output (P) and the F-V relationship slope (S ) were determined. The body mass (BM) influence on these relationships was considered using an allometric approach. F was 720±144 and 2146±405 N, V was 1.8±0.1 and 1.8±0.3 m·s, P was 333±83 and 968±204 W and S was -391±54 and -1,200±260 N·s·m for BP and SJ, respectively. Upper and lower limb F and P were significantly related. P was significantly (<0.05) correlated to V, F, S, P, F and P (r²=0.29 to 0.79). BM accounted for more than 90% of these relationships. Rowers' F-P-V profiles reflect adaptations to chronic rowing practice. F-P-V profiles and rowing performance correlations suggest that BP and SJ exercises are relevant to evaluate young rowers' explosive abilities.

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Section: F-v and P-v Profiles Of Lower Vs Upper Limbssupporting

confidence: 50%

Relationship between Force-Velocity Profiles and 1,500-m Ergometer Performance in Young Rowers

et al. 2017

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“…They were asked to self-select and adjust the drag factor of the rowing machine during the warm up session though not during experiments. After that, and based on rolling starts, nine series of at least 30 consecutive strokes each were applied, one for each combination of stroke rate (18, 24 and 32 strokes/min; [ 11 ]) and insole (control, LD and HD). Test duration was set at the rowing machine display; 100s, 80s and 60s durations were respectively set for 18, 24 and 32 strokes/min, ensuring the recording of at least 30 strokes per trial.…”

Section: Methodsmentioning

confidence: 99%

“…Kinematic data of the left side were acquired with three additional IMUs of the same IMU system–whose accuracy had been proved to be adequate for the study purposes [ 32 ] –to monitor the range of knee and trunk flexion-extension. IMUs were secured laterally to the leg and thigh and centrally to the lumbar spine [ 11 , 33 ]. Acceleration and kinematic data were sampled at 50 Hz (output frequency) with a 12 bit A/D converter and offline synchronised with foot pressure data, via an external trigger pulse (TTL signal) provided by the Pedar-X system.…”

Section: Methodsmentioning

confidence: 99%

“…The drive phase ends (recovery phase starts) when the handle is brought to rest, roughly at the chest height (finish instants). Catch and finish instants, which define the transition between rowing phases, were defined as peak instants in handle acceleration data [ 11 ]. Peak instants correspond to zero crossings in handle velocity and therefore posit the onset of recovery (finish instants: positive peaks) and drive phases (catch instants: negative peaks; cf.…”

Section: Methodsmentioning

confidence: 99%

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Textured insoles affect the plantar pressure distribution while elite rowers perform on an indoor rowing machine

et al. 2017

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IntroductionDuring rowing, foot positioning on the foot stretcher is critical to optimise muscle force transmission and boat propulsion. Following the beneficial effects of textured insoles on gait and balance, this study aims at investigating whether passive stimulation of foot mechanoreceptors induced by these insoles may contribute to improving foot loading pattern and symmetry during indoor rowing.MethodsEleven elite rowers were assessed during controlled training on a standard rowing machine while wearing control, low-density or high-density textured insoles. Plantar pressure and knee and trunk kinematics were measured; performance data were recorded from the machine. Insole effect on kinematic parameters, peak and average values of foot force, contact area and position of centre of pressure was assessed with ANOVA and Bonferroni correction for pair-wise comparisons.ResultsA main effect was observed for force and contact area, with the high-density insoles providing greatest values (P<0.035). No interaction was observed between side and insole (P>0.190), even though symmetry was higher with high-density insoles. Kinematics (P = 0.800) and rowing performance were not affected by insole type; a consistent though not statistically significant increase in mean travelled distance was observed for denser insoles (P>0.21).ConclusionThe high-density textured insoles affected foot loading distribution during indoor rowing. Rowers applied greater foot force and over a greater foot stretcher area with the high-density than the low-density and control insoles. These findings and the methodology applied may be relevant for the understanding and monitoring of rowing performance.

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“…Finally, thanks to the achieved haptic realism of a sweep rowing application, potential sources of injuries associated with the asymmetries unique to the sweep rowing can be systematically assessed on our virtual reality simulator [54][55][56].…”

Section: Practical Implicationsmentioning

confidence: 99%

Configurable 3D Rowing Model Renders Realistic Forces on a Simulator for Indoor Training

et al. 2020

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In rowing, rowers need outdoor and indoor training to develop a proficient technique. Although numerous indoor rowing machines have been proposed, none of the devices can realistically render the haptic, visual, and auditory characteristics of an actual rowing scenario. In our laboratory, we developed a simulator to support rowing training indoors. However, rendered forces with the initial rowing model, which was based on a simplified fluid dynamic model that approximated the drag/lift forces, were not perceived realistic enough for indoor training by expert rowers. Therefore, we implemented a new model for the blade–water interaction forces, which incorporates the three-dimensional rotation of the oar and continuously adjusts drag/lift coefficients. Ten expert rowers were asked to evaluate both models for various rowing aspects. In addition, the effect of individualization of model parameters on the perceived realism of rowing forces was elaborated. Based on the answers of the experts, we concluded that the new model rendered realistically resistive forces and ensured a smooth transition of forces within a rowing cycle. Additionally, we found that individualization of parameters significantly improved the perceived realism of the simulator. Equipped with a configurable rowing model, our simulator provides a realistic indoor training platform for rowers.

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Do sweep rowers symmetrically activate their low back muscles during indoor rowing?

Cited by 19 publications

References 39 publications

Relationship between Force-Velocity Profiles and 1,500-m Ergometer Performance in Young Rowers

Relationship between Force-Velocity Profiles and 1,500-m Ergometer Performance in Young Rowers

Textured insoles affect the plantar pressure distribution while elite rowers perform on an indoor rowing machine

Configurable 3D Rowing Model Renders Realistic Forces on a Simulator for Indoor Training

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