Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Physiological Barriers

Physiological Barriers

Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...

Barriers to Effective Communication II

Barriers to Effective Communication II

The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
Cultural barriers:
Differences in values, beliefs, religion, knowledge, and tradition can significantly impact communication. Awareness of nonverbal cues is critical, especially when conversing with a patient from a different culture. What appears appropriate in one culture may be inappropriate in another.
Semantic barriers:
As a result of their tendency to use...

Factors Affecting Drug Distribution: Physiological Barriers

Factors Affecting Drug Distribution: Physiological Barriers

Drug distribution in the body is intricately regulated by various physiological barriers that control the passage of substances. These include the capillary endothelial barrier, the blood-brain, blood-cerebrospinal fluid, blood-placental, and blood-testis barriers.
The capillary endothelial barrier allows only smaller molecules below 600 Da (Daltons) to pass through. It also restricts drugs like heparin that are bound to blood components, limiting their movement within the bloodstream.
The...

Primary Motives: Sleep, Sex, and Pain Avoidance

Primary Motives: Sleep, Sex, and Pain Avoidance

Primary motives such as sleep, sex, and pain avoidance are crucial drivers of behavior in humans and animals. These motives ensure survival, reproductive success, and overall well-being by prompting actions that meet essential bodily needs.
Sleep is a fundamental physiological drive that fosters a state of restfulness crucial for several bodily functions. It facilitates body restoration, the process by which the body repairs, rejuvenates, and maintains itself during sleep, including memory...

Barriers to Effective Communication I

Barriers to Effective Communication I

A communication barrier is any distortion or interruption during a conversation, resulting in miscommunication of the message. A good communicator should know these barriers and continuously check for the listener's understanding by obtaining feedback.
Communication barriers include the following:
Physiological barriers: They are limitations caused by a person's health condition or disability, such as hearing loss, poor eyesight, illness, or unconsciousness. An example to overcome this...

Disorders of the Male Reproductive System

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....

You might also read

Related Articles

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

Sort by

Same author

Sociodemographic Factors, but Not Rurality, Explain Limited Variance in Fibromyalgia Severity: A Secondary Analysis of Two Randomized Clinical Trials.

Pain medicine (Malden, Mass.)·2026

Same author

Using the RE-AIM framework to evaluate the implementation of a clinical workflow designed to identify, refer, and connect insufficiently active patients to health coaching.

Translational behavioral medicine·2026

Same author

Physical Activity, Sitting Time, and Sleep Among Postpartum Women During the COVID-19 Pandemic.

Birth (Berkeley, Calif.)·2026

Same author

Optimal 24-hour movement behaviour compositions across trimesters and risk of hypertensive disorders of pregnancy: the Pregnancy 24/7 cohort study.

British journal of sports medicine·2026

Same author

Decompression with or without Duraplasty for Chiari I and Syringomyelia.

The New England journal of medicine·2026

Same author

Adverse Pregnancy Outcomes and Sedentary Behavior, Light-Intensity Physical Activity, and Daily Steps.

JAMA·2026

Search research articles

Related Experiment Video

Updated: Jul 14, 2025

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

Physical Activity Among Rural Men: Barriers and Preferences.

Jacob Gallagher^1,2, Emine O Bayman³, Lisa A Cadmus-Bertram⁴

¹Department of Health and Human Physiology, University of Iowa, Iowa City.

Preventing Chronic Disease

|October 5, 2023

Summary

Rural American men are interested in physical activity programs, with mobile apps and email being preferred delivery methods. Interventions should focus on teaching exercise and be home-based to overcome barriers like motivation and weather.

More Related Videos

Author Spotlight: Impact of Physical Barriers on Rodent Populations in Farmland Areas

Author Spotlight: Impact of Physical Barriers on Rodent Populations in Farmland Areas

Published on: March 8, 2024

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults

Published on: March 7, 2020

Related Experiment Videos

Last Updated: Jul 14, 2025

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Visualization of Intensity Levels to Reduce the Gap Between Self-Reported and Directly Measured Physical Activity

Published on: March 7, 2019

Author Spotlight: Impact of Physical Barriers on Rodent Populations in Farmland Areas

Author Spotlight: Impact of Physical Barriers on Rodent Populations in Farmland Areas

Published on: March 8, 2024

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults

Published on: March 7, 2020

Area of Science:

Public Health
Behavioral Science
Exercise Science

Background:

Physical activity offers significant health benefits, yet many Americans do not meet recommended levels.
Understanding specific population needs is crucial for effective health interventions.

Purpose of the Study:

To identify key components of a physical activity intervention tailored for rural American men.
To assess rural men's interest in and preferences for physical activity programs.

Main Methods:

A needs assessment survey was administered to 447 rural men recruited via Amazon's Mechanical Turk.
Data analysis included descriptive statistics and logistic regression to examine factors influencing intervention interest.

Main Results:

Over 83% of participants expressed interest in a physical activity intervention.
Top barriers included motivation, cold weather, and tiredness.
Mobile applications and email were preferred delivery channels, with a desire for home-based, instructional programs.

Conclusions:

Rural American men show receptiveness to physical activity interventions.
Tailored interventions addressing specific barriers and preferences are necessary for this demographic.