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Friday, November 23, 2018
As you may have noticed, theSAUTS tab of your app has recently been enhanced with 7 new features. There is no excuse now for not take care of your routes and your approaches jumping on horseback. In this article, we give you the keys to understanding these brand new features and their interest in your jumping sessions.
In addition to the jump height and the angle when taking the call, we measure for each jump its amplitudewhich is the distance between the postand the set precedents at reception.
This distance from the ground gives you a better view of the trajectory of your horse, in order to adapt it as well as possible and to be more at ease in combinations and other lines.
Of course, there's no such thing as a perfect value, everything depends of obstages passedand what you wish for. For example, for a vertical of 1m (the height measured by your Seaver strap will be about 115cm for an "ordinary" horse), we will have a span of about 130cm, while it can exceed 250cm for a spa bar with the same ribs.
In show jumping, on 160cm oxers we can easily reach 450cm, while on the cross-country, a 130cm volley obstacle will bring trajectories to almost 6m.
The regularity of strides at the approach of an obstacle, and the absence of a break in rhythm, are important elements of the quality of the approach. We measure the rate of speed on the 5 last strides (less in the case of close jumps), and also determine whether the rate is stable, increasing, or decreasing on those last few strides.
The figures are highly dependent on the model and the locomotion of the equine: thus a 1.70m horse with a large amplitude will often be comfortable in a galloping cadence of about 100 strides/min, while a 1.40m pony will be more often in cadences of 120-130 strides/min.
Watch out for the trotting approaches, which give rise to cadences first ... trotting! The important thing remains the regularityBut it also depends on your objective: we may wish to address an obstacle at an increasing or decreasing pace, depending on what we are working on. Please note that this is indeed about the evolution of the paceso the rhythm, not the amplitude of the strides at first. Thus, we may have approached an oxer on a so-called "increasing" stride, that is to say by covering a greater and greater distance with each stride, but with a decreasing rhythm: each stride lasts longer and longer.
Source: Horse Academy
We calculate the strike, that is to say... vertical acceleration deployed by the horse at the moment of the call, to fight against the earth's attraction and project itself over the obstacle. We measure this quantity in g ("ge"), like the accelerations experienced by pilots during car or rocket accelerations (1 g = 9.81 m/s2 corresponds to the acceleration of gravity).
The stroke will always be between 1 g (the acceleration required to break away from gravity and lift off the ground) and 2 g (the limit observed for horses). Of course, the impact depends on the jump heightbut also on the explosiveness "of the horse. For jumps of around 1m, we typically find impact values of around 1,1 g à 1,2 g. For jumps of up to 1.60 m, we can reach 1,8 g or even more. For the same height of effort, we'll often have higher propulsion values for a vertical profile than for a wider obstacle.
The Seaver strap also measures the speed reached by the horse during the ascending phase of the jump. This speed depends on the ground speed of the horse during l’firstbut also of the force that he's developing. It will typically range from 10km/h and 20km/h. We will often have higher values at the dam, or on volleying obstacles of a cross-country course, and lower values on vertical profiles.
A low upward speed can indicate a horse that takes its time to jump (this is positive), or on the contrary a horse that "stops" in the air and does not function well. A high speed can correspond to a horse that jumps and rushes, but also to a horse that uses its kinetic energy on the ground well to overcome difficulties. The rider's (or coach's) feeling remains essential in these cases.
5. Jump Shift We measure (in degrees of angle) the shift of the horse during the jump, i.e. the difference between his orientation space at the front desk and at the reception. This does not reflect perpendicularity to the bar at all: we can jump at an angle but keeping the horse perfectly straight, just as we can have a horse that shifts sharply on one shoulder as we approach perpendicularly and in the middle of the obstacle.
The offset must be lowest possible. The horse can be considered as law between 0 and 5°.. Beyond 10°the offset is strong. The most important thing is to see if this offset is constant. Thus, a horse that shifts only once in a session will have no problem on this side, while we will find out more if his horse specifically shifts to one side on more than 50% of the jumps. There are many reasons for such a shift: a asymmetrical jumper in his plateits legs or its handsa apprehension of the receptiona pain or a embarrassment in a posterior or in the backor simply a natural asymmetry of the horse. A young horse will often shift by simple lack of straightness, but it will always be necessary to try to minimize the values of shift.
A thrust from the hindquarters asymmetrical is behind the offset. Here we compare the thrust of the two hind legs, to warn you if there is a strong difference. Values between 45 % and 55 % for each posterior are quite satisfactory. Under or over, you will have to start watching your horse, especially if the phenomenon repeats itself on more than half of the jumps, on the same side.
The "weak" posterior is the one with the lowest percentage, i.e. the one on the side of the gap. Remember to watch the weak hindquarters and the back carefully if asymmetry suddenly appears on a horse that is usually straight.
This size represents theabsorbed energy by the horse at the reception of an obstacle, mainly in its previous. It is measured in kilo Joules (kJ). The higher the value, the more energy the horse has dissipated by touching the ground. It is these repeated shocks that can cause articular problems or tendonTherefore, you should try to minimise the amount of energy absorbed as much as possible by jumping lower, less often or fewer times per session.
Of course, monitoring the quality of the soil, neither too hard nor too deep, is also important. In practice, among other parameters, the greater the jump and the higher the strike, the greater the energy absorbed will unfortunately be. For jumps of1m about, we will typically have values between 0.8kJ and 1.2kJ...not very damaging, while we'll be overtaking... 4kJ for obstacles to 1m50 approximately. During a session, we will try not to go too much beyond 50kJ all in all (i.e. about 50 small jumpsor a dozen big jumps).
For more information on our other features ⤵️
See you soon for a new article,
The Seaver Team 😍
