Abstract
This paper discusses the torque data during Parachute Landing Fall (PLF) activity on the sagittal plane by applying Kane’s method. The value of torque is determined in order to identify the movement of extension and flexion at every joint-segment on the parachutist during landing. Data were obtained from three professional and eighteen amateur parachutists, each with three consecutive landings. Quintic Biomechanics Software v26 was selected to capture motion analysis. The mathematical model for the PLF technique was presented based on a two-link kinematics open chain in a two-dimensional space using Kane’s method. The t-test result showed the p-value of torque at each joint between professionals and amateurs (p ≤ 0.05). According to the torque result, the professional parachutists extended their arm then flexion their elbow, shoulder, hip, knee and the ankle plantar flexion during the foot strike phase. The professional demonstrated a perfect PLF technique by identifying the flexion and extension on each joint segment that was involved during landing activity. The value of torque at each joint segment from professional parachutists may be used as a guideline for amateurs to perform optimal landing and minimise the injury.
Highlights
The Malaysian Armed Forces (MAF) is the fortress of national defence that is responsible to ensureMalaysia prevent from all external threats coming from the land, ocean and air as well as assisting the public authority by handling internal threat issues in the country
The results showed a significant difference in data of torque between professional and amateur parachutists at every joint segment
This study examined the comparison of torque value at the arm, elbow, shoulder, hip, knee and ankle joint between professional and amateur parachutists during foot strike phase
Summary
The Malaysian Armed Forces (MAF) is the fortress of national defence that is responsible to ensure. Malaysia prevent from all external threats coming from the land, ocean and air as well as assisting the public authority by handling internal threat issues in the country. All military activities and training are robust and may cause serious injuries. According to [1], parachute landing is the second-highest activity with a high risk of injury in the military. There are various factors that can cause injury while doing parachute landing which are: applying the wrong technique during landing, landing on uneven terrain, problems when opening a parachute and the wind factor. Show a study on the impact of the floor surface which has an effect when landing parachutes, especially on the ankle. There are two types of technique for parachute landing activity which is named as Parachute
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