Rowing Biomechanics: Dr. Valery Kleshnev  

2015/10 Rowing Style Indicators
2015/09 Catch Indicators
2015/08 Blade depth
2015/07 New BioRow™ Oar Angle Guides
2015/06 Gearing ratio
2015/05 Oar Inertia forces
2015/04 Boats testing in indoor tank (Read with caution - Bias may influence "results")
2015/03 Case study on synchronization
2015/02 Variation of the boat velocity
2015/01 Variation of the boat velocity
2014/12 Amplitude and power of body segments
2014/11 Power/weight ratio and boat speed
2014/10 Weight adjustment of ergometer performance
2014/09 Brief Rigging guide
2014/08 Trends of boat speed and stroke rate
2014/07 Work per Stroke
2014/06 Speed and velocity in rowing
2014/05 Timing of synchronisation in a crew
2014/04 Catch through the stretcher
2014/03 Force and Power in Rowing
2014/02 Ratio of blade and handle forces
2014/01 Rowing biomechanics & psychology
2013/12 Blade efficiency and effectiveness
2013/11 Oar blade as a jet engine
2013/10 The reason for lift force in rowing
2013/09 What are reasons of rower’s mass suspension?
2013/08 Rower’s mass suspension
2013/07 Stroke Cycle
2013/06 Seat Racing and Crew Selection
2013/05 Technical Exercises or Drills
2013/04 Vertical Seat Force
2013/03 Biomechanical assessment procedure
2013/02 Vertical Handle Force
2013/01.2 Coaches improve their skills at World Rowing training camp
2013/01 Rigging: Gate Height
2012/12 Stability and variability of rower’s motions
2012/11 Analysis of the boat acceleration
2012/10 Rotational motions of the oar
2012/09 Dynamic analysis in horizontal plane. Part II
2012/08 Dynamic analysis in transverse (horizontal) plane
2012/07 Race analysis after Olympics-2012
2012/06 What blade efficiency means and how it can be evaluated and improved
2012/05 Rowing rhythm, stroke length and effectiveness
2012/04 Power transfer between rowers through the boat
2012/03 Rotational motions of the boat
2012/02 Results of testing of a new instrumented gate revealed a surprising unknown phenomena
2012/01 How the speed/rate ratio depends on the duration of the exercise?
2011/12 The latest Newsletter: How to set up the stretcher properly in sculling?
2011/12 Centre of rotation at the gate and DF on dynamic erg.
2011/11 Road Map on Rowing Biomechanics
2011/10 Rowing Speed and Rig Chart
2011/10 Changing oar length a few cm does not dramatically affects rowing biomechanics
2011/09 Analysis of 2011 World Rowing Championships in Bled, Slovenia
2011/08 Asymmetry in sculling
2011/07 How various variables affect rower's feelings of "heaviness" or "lightness" during rowing on erg and on the water
2011/05 GPS boat speed and stroke rate
2011/04 Can shorter rowers really benefit from using shorter oars? 
2011/03 10th Birthday of the Newsletter; Lift force at the seat: does it really lift the whole rower-boat system and decreases water displacement?
2011/02 Synchronisation of rowers' movements in a crew
2011/01 Setting Drag Factor on various ergs types to match on-water rowing in various boat types
2010/12 Using Concept2 Skierg for cross training in rowing.
2010/11 Results of the Worlds championship 2010 in Karapiro, New Zealand. Using EMG for analysis of rowing technique.
2010/10 Biomechanical features of Concept2 Dynamic Indoor Rower
2010/09 Relationships between the pitch, gate height and arms "grubbing".
2010/08 Why are sculling boats faster than rowing boats.
2010/07 Reference frame and inertial losses in rowing on water; Variation if the boat speed at two different rowing styles.
2010/06 Inertial losses in rowing on water
2010/05 Inertial losses in rowing on ergo
2010/04 Margins of boat speed in finals A, B, C, D of World regattas
2010/03 Comparison of measurements of the force at the oar handle and at the gate or pin
2010/02 Lumbar and thoracic curvatures in top World scullers
2010/01 Rigging Chart: questions and answers, description of the algorithm
2009/12 Weather and boat speed
2009/11 Positioning of rowers in Fours and Eights
2009/10 Vertical oar angles
2009/09 Performance of countries over the years in adult and juniors categories.
2009/08 Results of the World Championship-2009 in Poznan; What is the best time to use Biomechanics?.
2009/07 Mechanics of the trunk during rowing in the boat and on ergo.
2009/06 Differences in mechanics between on-water and on-ergo rowing and its practical implications
2009/05 Can we evaluate the boat wiggle in asymmetric sculling? Target power, force and angles for juniors, U23 compare to open category.
2009/04 Prognostic times for juniors, U23 and open category
2009/03 Coach and Biomechanics: Jurgen Grobler
2009/02 Effect of the extra dead weight of the boat on the speed
2009/01 Analysis of the race start
2008/12 Discussion with Marinus van Holst about power definitions in rowing.
2008/11 New section in the Newsletter "Biomechanics and Coach" with a close-up portrait of Paul Thompson.
2008/10 Power transfer through the stretcher: Rowing vs. Canoeing.
2008/09 Race analysis on Beijing Olympics 2008
2008/08 Definition of rowing efficiency.
2008/07 Pushing the stretcher with toes or heels.
2008/06 Original research of Myriah Lynn, Biomechanics Specialist from USA on the importance of flexibility in rowing.
2008/05 Original research of Marinus van Holst on the lift and drag forces on the blade. Comments and further analysis of the force curves on Concept2 ergo monitor;
2008/04 7 year anniversary of the Newsletter; How accurately can Concept2 monitor represent the real force curve; Marinus van Holst comments on force in a pair.
2008/03 Dr. Volker Nolte shares his ideas about the handcurve
2008/02 Parameters of the force curve
2008/01 Synchronisation of forces in a pair
2007/12 Blade propulsive efficiency; Hydro-lift and drag forces on the blade.
2007/11 Using of elastic energy of the oar shaft
2007/10 Does the boat speed increase when speeding the hands away and body swing? Normative splits on ergo for different rates.
2007/09 A reasonably long catch angle does NOT itself create static work and energy losses; Application of the Hill principle in rowing.
2007/08 Dynamics of performance of the best rowing countries over the last 15 years; What sort of force, oar angles and stroke rate should be applied to achieve a target boat speed.
2007/07 Boat travel during the drive and recovery; Correlation of the performance on ergo and on-water.
2007/06 Catch and release slips expressed in video frames; Plotting force curve relative time or oar angle.
2007/05 Questions & Answers on the catch improvement
2007/04 Vertical oar angle and angular acceleration; Catch and release slips and hints for their improvement.
2007/03 Effect of the oar angles on gearing; Oar and span/spread dimensions for different categories of rowers
2007/02 There is no influence of the span/spread on gearing. Feedback from Volker Nolte, Einar Gjessing and our comments
2007/01 Comments on mechanical modeling in rowing
2006/12  Analysis of the span/spread based on results of FISA rigging survey
2006/11  Analysis of the oars/sculls gearing based on results of FISA rigging survey
2006/10  French version of the Newsletter; Updated spreadsheet for boat speed at different stroke rate; Efficient technique of the finish.
2006/09 New spreadsheet to training times at different stroke rate; Why it is efficient to push the stretcher at the catch.
2006/08 Countries' performance on the last World Championship-2006 and New World Best Times; Trends of the boat speed and prognostic Gold Medal Times; Trends of the race strategy
2006/07 At what point of recovery should the highest seat velocity be achieved to provide the most efficient catch and drive?
2006/06 Why is a long catch not a waste of energy; Why is a front loaded drive more efficient.
2006/05 Similarity of the average force with weight training; power curve in different rowing styles 
2006/04 Five year anniversary of the Newsletter; Igor Grinko comments on classification of rowing styles; Cas Rekers question on drive/recovery ratio; Air drag of the blade during recovery and early squaring.
2006/03 Classification of rowing styles, Grinko style; Mirror sequence of the segments movements during the drive and recovery.
2006/02 Trampoline effect
2006/01 Different types of sport scientist from a coach’s point of view.
2005/12 Long term trends of performance in endurance sports.
2005/11 Relative speeds in the various boat types based on hydro-dynamical drag factors
2005/10 Method of speed/stroke rate/DPS analysis based on effective work per stroke
2005/09 Dr. Volker Nolte answered the question: What should rowers and coaches do to maintain better boat balance?
2005/08 Race analysis of the latest World ChampionshipMargins between finalists during the last 13 years.
2005/07 Dr. Alison McGregor gave us advice on “Biomechanics of back pain and injury prevention in rowing”
2005/06 Different models of biomechanics utilisation in coaching practice (coaches’ types).
2005/05 “Prognostic” times in different boat types
2005/04 Gadgets in rowing: Hydrofoil, L-shaped brackets.
2005/03 Experimental data on comparison of rowing on-water with Concept-II and RowPerfect ergometers.
2005/02 Stroke rate and DPS of the medallists of the Olympic Games-2004 in Athens
2005/01 Comparison of rowing on-water with Concept-II and RowPerfect ergometers.
2004/12 Timing of the stroke cycle and micro-phases at different patterns of force curve and various stroke rates. Importance of fast force increasing up to 70% of the maximum.
2004/11 Q&A: Using of the one-leg squat. Is the catch and the beginning of the drive initiated with the hands or the feet? Simultaneous and consecutive styles.
2004/10 Q&A: Timing of the drive phase: duration of D3 phase (initial boat acceleration) at different stroke rate. Still pictures with corresponding micro-phases.
2004/09 Rowing power on-water and on ergo: at various stroke rate trends are similar in women, but different in men.
2004/08 Race strategy and tactics of the medal winners of Athens Olympiad-2004.
2004/07 Intra-cycle boat speed profiles at various stroke rates. Decreasing of energy losses due to boat speed fluctuations.
2004/06 Three methods of the rowing power calculation.
2004/05 Power and speed drills in rowing: changing the gearing ratio, extra load in the boat, oars or rower’s trunk, combination of sculling and sweep rowing in one boat.
2004/04 Gadgets in rowing: straw on the stern for boat speed, second button, string between seats. General recommendations.
2004/03 Distance per stroke and force/angle parameters at different stroke rate. Case study: three types of DPS/rate profile.
2004/02 Case study: biomechanical parameters and rowing efficiency. Importance of the fast force increasing.
2004/01 Coordination of the handle and foot-stretcher forces and their relationship to temporal structure of the drive. Importance of initial boat acceleration D3 micro phase.
2003/12 Variation of the boat speed and energy losses during the race and stroke cycle.
2003/11 Relationship of boat acceleration profile with handle-seat coordination and shape of the force curve.
2003/10 Comparison of stationary rowing ergo with on-water rowing.
2003/09 Performance of the best rowing nations in 1993-2003 in different rowers’ categories.
2003/08 Performance of the best rowing nations in 1993-2003. Vortex blades were found 1.9% more efficient.
2003/07 Race strategy and tactics. Definitions and patterns in medal winners and different countries.
2003/06 Handle velocity, maximal seat velocity and boat speed. Device for testing and training maximal legs speed.
2003/05 Oar and gate angles are different. The reasons are: bend of the oar shaft; backlash of the oar sleeve in the gate.
2003/04 Stroke length reduction at higher rates is more significant in bigger boats; specifics in sweep and sculling, average and elite rowers.
2003/03 Rhythm and stroke rate; Drive time and stroke rate; Recovery time and stroke rate.
2003/02 Stroke rate and distance-per-stroke distribution during the race; Difference and data in medallists and boat types;
2003/01 Stroke rate of the medallists in boat types over the last Worlds; Prognostic times and stroke rates; Stroke rate in different countries.
2002/12 Durations of the micro-phases; Best rowers have longer system acceleration micro-phase. How to increase duration of the system acceleration micro-phase.
2002/11 Micro-phases and border points of the drive phase
2002/10 Trends of the race strategy over the last 10 years in different placeholders; Prognosis till 2008. Optimal race strategy.
2002/09 Trends of the boat speed of the Worlds finalists and winners, Prognostic times, Speed increasing in different boat types.
2002/08 Peak boat acceleration and stroke rate; Boat acceleration and better crews. Immediate feedback on boat acceleration
2002/07 Peak of the power and stroke rate; Maximal handle velocity and stroke rate; Position of the peak handle velocity. Training in small boats and rowers selection.
2002/06 Better rowers have a higher and more synchronous accelerations; Force peak, stroke rate and boat types.
2002/05 Vertical seat force; Lift force and the height of the handle and foot-stretcher. Optimal height of the handle; Push foot-stretcher with toes at catch; Horizontal drive.
2002/04 Tip: Reference types in Excel. Oar inertia force. Different catch and release angles in stroke and bow seats of a pair
2002/03 Tip: time format in Excel. Maximal speed of body segments. Arms position at catch in sculling and weight training.
2002/02 Segments contribution to the stroke length and rowing power. Higher percentage of the trunk power helps to achieve higher boat speed.
2002/01 Rowing power and stroke rate, Rowing power in sculling and sweep rowing
2001/12 Maximal force Average force Ratio of the average to maximal forces. Shape of the force curve and segments sequence, Classical and simultaneous styles.
2001/11 Catch angle, Release angle, Total angle. Markers on the boat to check catch and release angles.
2001/10 Race strategy on the last Worlds; Race tactics in finalists and countries specifics. Markers on the oar shaft and blade depth.
2001/09 Boat speed at the World Championship-2001 in different boat types and placeholders. Exercise for back pain prevention.
2001/08 Percentages of the finalists, medallists and winners from different countries on Worlds and Olympics.
2001/07 Boat speed in the medallists; shape of force curve and blade propulsive efficiency; drive time, rhythm and boat speed fluctuations. High-speed trunk drills; one-leg squat.
2001/06 Prognostic stroke rate and distance-per-stroke; vortex blades. Pitch adjustment; light rowing.
2001/05 Race strategy. Bend of the oar shaft. Aerobic cross-training; power strokes
2001/04 Distance-Per-Stroke; blade propulsive efficiency; foot-stretcher force. Towing as a high speed drill; step rating test.