Dash vault in parkour: legs first over the obstacle, hands pushing off behind the body. With prerequisites, a progression by height and a safety check.
The dash vault is an obstacle vault in which you guide your legs over the obstacle first and the hands push off only behind your body. For a moment you sit "on air" before you land on the other side.
The honest answer: there is no dedicated study of the dash vault. What we have are scoring criteria from a tested parkour course with 20 young men that assessed other vaults. Good execution there showed: legs passing the obstacle without contact, landing on the balls of the feet with at least 90° in the knee [1]. The course separated beginners (27 to 33 out of 45 points) clearly from advanced traceurs (41 to 44) [1]. Clean leg guidance and a soft landing are the measure of skill.
That fits a small master's thesis with five experienced traceurs on a course: ground reaction forces were highest where the drop was bigger or where momentum from the previous obstacle carried over [2]. The more speed you bring, the more the landing matters.
What is the risk? In US emergency-department data most parkour injuries arose from landing or striking objects; some patients were only eight years old [3]. In the dash vault striking the obstacle is a real issue: if you bring your legs up too late, you hit the obstacle with shin or hip.
How long until a clean dash vault? In practice often a few weeks with two sessions a week if the speed vault is already solid. Practical experience, not a study figure. I kept the guide at intermediate because here you see the landing only late.
The prerequisites are strict because you see the landing only late:
Sit on the edge of a low bench, hands flat beside the hips. Lift the seat and tuck the legs. That is the arm position of the dash vault, without a jump.
Milestone: ten repetitions with straight arms and no shoulder pain.
Cross a knee-high obstacle walking, legs first, hands supporting behind the body. The goal is for the legs not to touch the obstacle [1].
Milestone: seven out of ten attempts without touching it with the legs.
Take off two-footed, guide the legs in front of the body over the obstacle (technique description from practice) and land on the balls of the feet with a low hip, like in the precision landing [1].
Milestone: five clean passes with a soft landing.
Two to three steps of run-up, one-footed take-off, legs first. The obstacle stays knee high. More speed raises the load in the landing [2].
Milestone: five clean passes at a knee-high obstacle.
Increase in 10-centimetre steps up to a maximum of thigh height, each time only after five contact-free passes. You do not go higher without a coach.
Milestone: five clean passes at every height.
In the dash vault you see the landing only late, so build-up beats the shortcut. Landing and striking objects are the most common causes of injury in parkour [3].
Practise the dash vault first with a mat as the obstacle. A tall crash mat or a stack of mats forgives contact: you learn the leg movement without a shin hit hurting. This is practical experience without a study figure – but it separates learning the movement from enduring the mistake.
The dash vault is a vault in which the legs go over the obstacle first and the hands push off only behind the body. You land on your feet behind it. It builds on the speed vault and demands a controlled press behind the body.
Through the press beside the hip, crossing while walking, the take-off from standing and only then the short run-up. Stay with a knee-high obstacle until five passes in a row are contact-free. Two sessions a week are realistic.
Knee high, with a wide flat top. Increase in 10-centimetre steps, at most to thigh height, each time after five contact-free passes. That is a practical recommendation, not a study figure. Higher obstacles you practise only with a coach.
The risk lies in hitting the obstacle and in the landing; both are, according to US emergency-department data, the most common causes of injury in parkour [3]. With a low obstacle, soft landing and a coach the risk can be reduced clearly. Dedicated studies of the dash vault are missing.
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