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Free Fall Acrobatics to Reduce Neck Loads During Parachute Opening Shock: Evaluation of an Intervention.

NCT02625896 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 16

Last updated 2018-10-30

No results posted yet for this study

Summary

This study aims to evaluate the use of an aerial human body manoeuvre to reduce the biomechanical load on the neck of a parachutist during the parachute opening, in order to create a basis for future prevention of skydiver neck pain in the parachutist population.

Conditions

  • Pain
  • Athletic Injuries
  • Whiplash Injuries
  • Biomechanical Lesion, Unspecified

Interventions

BEHAVIORAL

Intervention

Standard skydive from 4 000 m above mean sea level (AMSL) following standard safety recommendations and procedures including, if necessary, standard reserve parachute activation procedures. If necessary for safety, participants are asked to immediately leave the study at will. At 1 500 m AMSL, the participant is asked to begin to slow down the fall rate by increasing the body surface area to the relative wind. At no lower than 1 200 m AMSL, the participant is asked to deploy the main parachute. At main parachute deployment, while maintaining a stable body position with shoulders level to the horizon and unaltered heading, the participant is asked to increase the pitch angle of the long body axis attitude, raising the head, shoulders, and upper body up from the flat belly-to-relative-wind plane to a head-high body position, using any free fall technique the participant is comfortable with - as long as there is NO RISK for an unintentional backflip.

Sponsors & Collaborators

Principal Investigators

  • Anton Westman, MD PhD · Karolinska Institutet

Study Design

Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2017-06-17
Primary Completion
2018-10-14
Completion
2018-10-14

Countries

  • Sweden

Study Locations

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Diseases
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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT02625896 on ClinicalTrials.gov