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Related Concept Videos

Machines: Problem Solving II01:30

Machines: Problem Solving II

Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
Lift01:23

Lift

Lift is a fundamental aerodynamic force that acts perpendicular to the direction of airflow. It plays a central role in achieving and sustaining flight and in stabilizing various vehicles. Lift primarily originates from pressure differences created across surfaces, such as an airfoil. A lower pressure region forms above the wing, while a higher pressure region forms below it, generating an upward force. This differential results from the shape and orientation of the airfoil, enabling the wing...
Eccentric Loading01:16

Eccentric Loading

Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under load.
Apparent Weight01:09

Apparent Weight

True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
Consider a person standing on a bathroom scale inside an elevator. If the scale is accurate at rest, its reading equals the...
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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...
Lung Capacity01:47

Lung Capacity

The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.

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Related Experiment Video

Updated: Jun 30, 2026

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models
08:31

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models

Published on: December 17, 2021

But can they lift?

Thom Dick1, Darrell Messersmith

  • 1Platte Valley Ambulance Service, Brighton, CO, USA. boxcar_414@yahoo.com

EMS Magazine
|September 25, 2008
PubMed
Summary

Becoming an Emergency Medical Services (EMS) professional requires more than just a willingness to help. Candidates need cognitive ability, manual dexterity, maturity, psychomotor skills, and significant physical strength for patient handling.

Area of Science:

  • Emergency Medical Services (EMS)
  • Pre-hospital Care
  • Healthcare Professions

Background:

  • Screening Emergency Medical Services (EMS) field candidates reveals a complex set of required skills beyond basic training.
  • The role demands a unique combination of cognitive, manual, and interpersonal abilities.
  • Physical capacity, particularly for patient lifting, is a critical, often underestimated, requirement.

Purpose of the Study:

  • To outline the multifaceted skill set necessary for effective performance in Emergency Medical Services (EMS) roles.
  • To highlight the diverse competencies evaluated during the screening of EMS field candidates.
  • To emphasize the physical demands inherent in EMS fieldwork.

Main Methods:

  • Qualitative assessment based on the experience of EMS field candidate screeners.

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Last Updated: Jun 30, 2026

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models
08:31

Versatility of Protocols for Resistance Training and Assessment Using Static and Dynamic Ladders in Animal Models

Published on: December 17, 2021

Measuring the Strength of Mice
06:17

Measuring the Strength of Mice

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Muscle Imbalances: Testing and Training Functional Eccentric Hamstring Strength in Athletic Populations

Published on: May 1, 2018

  • Identification of key attributes including cognitive, psychomotor, and physical capabilities.
  • Comparison of required skills to those of other healthcare and professional roles.
  • Main Results:

    • Successful EMS candidates require strong cognitive function for problem-solving and decision-making during calls.
    • Candidates must possess advanced manual dexterity and multitasking skills, comparable to Emergency Department (ED) nurses.
    • Maturity, professional driving psychomotor skills, and a compassionate demeanor are essential.
    • Significant physical strength and the ability to frequently lift patients are non-negotiable requirements.

    Conclusions:

    • The screening process for EMS personnel must comprehensively evaluate a wide range of skills.
    • Beyond medical knowledge, candidates need a blend of intellectual, practical, and physical attributes.
    • Physical fitness, including lifting capacity, is a fundamental prerequisite for EMS fieldwork.