The inside endo starts with the gymnast beginning to pike as the body is already bailing over, and keeping the shoulder angle as open as possible while the pike compression increases. Aiming to get the feet between the arms and the rail cleared before the hips, the center of mass moves down lower than a horizontal line with the bar.
The gymnast demonstrating this combination bails over with a little arch to begin the inside endo, but then shows a good compression, and on the swing up and comes out of the skill with the correct hip roll-out action. On the pirouette to mixed grip he again has a slight arch that could be refined to a straighter position and keeps his head slightly out to maintain visual contact with the rail during his pirouette which helps him to regrasp the bar more consistently.
In general, one of the most common learning mistakes of either straddle or inside endo to full pirouette is to swing down crooked after the pirouette. The reason for this mistake is an excess of support transfer to the post arm. The gymnasts shift their weight like they were going to perform the regular front pirouette that they have learned before, and that really requires a support transfer beyond the vertical of the post arm to finish square in a different bar position.
As mentioned before for the endo to mixed grip full pirouette combination, some of the gymnasts' main goals are to clear the rail, to flow from the endo to the pirouette without a large pause, and to swing down square. Notice how the gymnast keeps his eyes on the bar during the full pirouette.
A low single rail is a very useful piece of equipment to master different technical aspects of several horizontal bar or uneven bar skills. The back bail is the beginning part of back giants. The drill is performed falling very stretched from the handstand and landing flat down on soft mats approximately at the same height as the low rail.
In the front bail drill to prepare the first part of the front giants the gymnasts bail down with the shoulders very stretched and the body straight aiming to land on the mat as flat as possible without any hips pike or shoulder angle.
This low single rail drill helps gymnasts understand how to cast to a handstand with straddled legs. Beginning from a hollow prone support the gymnast moves down to a tight arch, and from there quickly snaps the hips up, aiming to bring the body weight on top of the arm support without letting the legs come down too much.
Technically correct front pirouettes on the horizontal bar or the uneven bars must be completed by the vertical or even slightly before. Kicking up with an undergrip short of reaching a complete vertical handstand performing a front pirouette and falling over flat in overgrip lend the athlete valuable understanding and experience about how to begin an early pirouette ahead of the body reaching the vertical line.
This low single rail drill helps gymnast beginning to learn a higgins to understand how to transfer their body weight over the post arm. Gymnasts must aim to keep a straight body line, and during the turn, maintain eye contact with the bar for catching the rail.
Low single rail full pirouette drills can be trained to a mixed-grip first, and then to a complete eagle grip. Some of the goals are to keep the body fully stretched during the turn without any arch or pike, and when coming down, to land straight on the soft mat instead of crooked to either the left or right side of a perfect perpendicular line in relation to the rail.
In this drill the gymnast begins with both hands in an eagle grip and jumps up to a handstand with eagle grip support afterwards to land flat down while maintaining a fully streched position and without loosing the grip on the bar. The drill can also be performed bouncing from a board, but either way, one of the goals is to show a vertically supported handstand without any pike before falling down.
In this stalder drill the aim is to land in a pancake position with the arms straight and shoulders pushing and stretching away from the bar. Gymnast that have some personal difficulty with the pancake position need to develop better flexibilty to be able to perform great stalders.