Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

1.2K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
1.2K
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

1.8K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
1.8K
Burn Injuries01:22

Burn Injuries

3.1K
Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
3.1K
Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

3.1K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
3.1K
Disorders of the Skeletal Muscle01:28

Disorders of the Skeletal Muscle

1.2K
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
1.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Many types of comorbidities are associated with clinically diagnosed insomnia in United States military service members.

Sleep medicine·2026
Same author

Changes in the saliva metabolome occur very rapidly in response to acute physical stress.

Physiological genomics·2026
Same author

Genetic markers of stress, resilience and success at an elite military selection course.

Physiology & behavior·2025
Same author

Rehabilitating Soldiers for Load Carriage Tasks: An International Perspective.

International journal of environmental research and public health·2025
Same author

Associations between body mass index and filled prescription medications among US military service members.

Obesity research & clinical practice·2025
Same author

Predicting Performance in a Military Hand-to-Hand Combat Course From Salivary Hormones, Psychological State, and Academic Performance.

Stress and health : journal of the International Society for the Investigation of Stress·2025
Same journal

Sewage Suffocation: A Case Report on Poop Pit Plop Pathophysiology.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
Same journal

Tourniquet Pressure Magnitudes and Distribution During Limb Applications.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
Same journal

Tactical Combat Casualty Care (TCCC) Guidelines: 1 May 2026 Updates.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
Same journal

Analgesia in Tactical Combat Casualty Care (TCCC): TCCC Guideline Change 25-03.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
Same journal

One IFAK Isn't Enough: Rethinking Individual Medical Loadouts for Modern War. Lessons from a Trench Fight in Ukraine.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
Same journal

Expeditionary Point-of-Care Ultrasound for Combat and Austere Environments.

Journal of special operations medicine : a peer reviewed journal for SOF medical professionals·2026
See all related articles

Related Experiment Video

Updated: Oct 8, 2025

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
08:27

A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement

Published on: February 22, 2022

3.3K

Injuries During High-Intensity Functional Training.

Joseph J Knapik

    Journal of Special Operations Medicine : a Peer Reviewed Journal for SOF Medical Professionals
    |December 30, 2021
    PubMed
    Summary
    This summary is machine-generated.

    High-intensity functional training (HIFT) has injury rates comparable to other fitness programs. Common injuries affect the shoulders, back, and knees, often linked to weightlifting exercises.

    More Related Videos

    Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
    07:40

    Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training

    Published on: October 10, 2019

    7.4K
    Induction and Assessment of Exertional Skeletal Muscle Damage in Humans
    08:33

    Induction and Assessment of Exertional Skeletal Muscle Damage in Humans

    Published on: December 11, 2016

    7.6K

    Related Experiment Videos

    Last Updated: Oct 8, 2025

    A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
    08:27

    A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement

    Published on: February 22, 2022

    3.3K
    Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
    07:40

    Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training

    Published on: October 10, 2019

    7.4K
    Induction and Assessment of Exertional Skeletal Muscle Damage in Humans
    08:33

    Induction and Assessment of Exertional Skeletal Muscle Damage in Humans

    Published on: December 11, 2016

    7.6K

    Area of Science:

    • Sports Medicine
    • Exercise Physiology
    • Injury Prevention

    Background:

    • High-intensity functional training (HIFT) is characterized by high volume, intensity, short rest periods, and multi-joint exercises.
    • Understanding injury patterns in HIFT is crucial for athlete safety and program development.

    Purpose of the Study:

    • To analyze existing literature on injuries sustained during High-intensity functional training (HIFT).
    • To synthesize findings from narrative and systematic reviews regarding HIFT-related injury incidence and risk factors.

    Main Methods:

    • Systematic analysis of two narrative and six systematic reviews on HIFT injuries.
    • Inclusion of data from 21 retrospective and three prospective studies in the most recent comprehensive review.

    Main Results:

    • Injury incidence and rates in HIFT are similar to comparable sports and exercise programs.
    • Shoulders, backs, and knees are the most frequently injured areas.
    • Mean injury prevalence was 35% ± 15%, with an injury rate of approximately 3 ± 5 per 1,000 training hours.

    Conclusions:

    • Current evidence suggests HIFT injury rates are comparable to other physical activities, despite methodological limitations in many studies.
    • Weightlifting exercises (deadlifts, snatches, clean and jerks, overhead presses) are frequently associated with injuries.
    • Further high-quality prospective research is necessary to definitively assess HIFT safety and optimize injury prevention strategies.