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Military free fall training injuries.

J E Glorioso1, K B Batts, W S Ward

  • 1U.S. Army Health Clinic, Yuma Proving Ground, AZ 85365, USA.

Military Medicine
|July 22, 1999
PubMed
Summary

Military free fall (HALO) training causes significant musculoskeletal injuries, primarily fractures and sprains. Lower extremities are most affected, with landing being the main injury cause.

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Area of Science:

  • Orthopedics
  • Military Medicine
  • Sports Medicine

Background:

  • Military free fall (HALO) is a specialized tactical parachuting technique used by elite U.S. military forces.
  • Understanding training-related injuries is crucial for soldier safety and operational readiness.

Purpose of the Study:

  • To analyze the types, locations, and mechanisms of injuries sustained during military HALO training.
  • To identify risk factors associated with these injuries.

Main Methods:

  • Retrospective study design.
  • Analysis of injury data from 134 military HALO parachutists, totaling 141 injuries.
  • Categorization of injuries by type, location, and mechanism.

Main Results:

  • The most frequent injuries were fractures (35.5%) and sprains/strains (34.7%).
  • Lower extremities (52.5%) were the most commonly injured sites, followed by upper extremities (19.8%) and the spine (14.9%).
  • Landing (61.2%) was the primary mechanism of injury, followed by wind tunnel training and canopy deployment.

Conclusions:

  • Military HALO parachutists experience a broad spectrum of musculoskeletal injuries during training.
  • Factors such as night jumping, combat equipment, and high-altitude oxygen use contribute to injury risk.
  • Targeted injury prevention strategies are needed for different training phases.

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