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Related Concept Videos

Drugs for Treatment of Constipation-Predominant IBS01:21

Drugs for Treatment of Constipation-Predominant IBS

Pharmacological therapies for IBS-C are designed to alleviate abdominal discomfort and enhance bowel function. In patients with IBS-C, fiber supplements may help soften stools and decrease straining, but may also lead to increased gas production and bloating. Osmotic laxatives like milk of magnesia are frequently used to soften stools and increase stool frequency in IBS-C patients. In addition, two drugs approved for use in severe IBS-C adult cases are linaclotide (Linzess) and lubiprostone...
Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives01:22

Drugs Affecting GI Tract Motility: Bulk-Forming and Stimulant Laxatives

Laxatives enhance bowel movements and alleviate constipation. They augment the stool's bulk, stimulate intestinal muscle contractions, draw water into the intestines, or soften the stool. There are five key types of laxatives: bulk laxatives, stimulant laxatives, osmotic laxatives, stool softeners, and lubricant laxatives.
Bulk-forming laxatives, such as psyllium, methylcellulose, and polycarbophil, absorb water in the intestine, increasing stool bulk and promoting bowel movement. This makes...
Drugs Affecting GI Tract Motility: Other Laxatives01:20

Drugs Affecting GI Tract Motility: Other Laxatives

Laxatives are primarily used to alleviate constipation, a common gastrointestinal disorder characterized by infrequent bowel movements and difficulty passing stools. They work by various mechanisms to increase the volume or frequency of bowel movements. The primary modes of action of laxatives include increasing stool bulk, softening the stool, stimulating intestinal motility, and osmotically drawing water into the intestines.
Osmotic or saline laxatives, like magnesium hydroxide or milk of...
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...

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Related Experiment Video

Updated: May 9, 2026

Physical Activity Measurement in Children Accepting Table Tennis Training
06:51

Physical Activity Measurement in Children Accepting Table Tennis Training

Published on: July 27, 2022

Preschool physical activity and functional constipation: the Generation R study.

Lisa M Driessen1, Jessica C Kiefte-de Jong, Anne Wijtzes

  • 1*Department of Pediatrics †Department of Public Health ‡Department of Epidemiology, Erasmus Medical Center, Rotterdam §Department of Healthy Living, Expertise Centre Life Style TNO, Leiden (SIdV), The Netherlands.

Journal of Pediatric Gastroenterology and Nutrition
|July 17, 2013
PubMed
Summary

Increased physical activity in preschoolers is linked to a lower risk of functional constipation. Maintaining activity levels, especially above recommended guidelines, may help prevent this common childhood issue.

Related Experiment Videos

Last Updated: May 9, 2026

Physical Activity Measurement in Children Accepting Table Tennis Training
06:51

Physical Activity Measurement in Children Accepting Table Tennis Training

Published on: July 27, 2022

Area of Science:

  • Pediatrics
  • Child Health
  • Public Health

Background:

  • Rising prevalence of functional constipation in children.
  • Potential link between decreased physical activity and functional constipation.

Purpose of the Study:

  • To investigate the association between physical activity and functional constipation in preschool-aged children.

Main Methods:

  • Prospective birth-cohort study (Generation R) in Rotterdam, Netherlands.
  • Actigraph accelerometers used to measure physical activity in 347 children (mean age 25.1 months).
  • Functional constipation diagnosed using Rome II criteria in the third and fourth year of life.

Main Results:

  • Higher levels of light, moderate, and total physical activity at age 2 were associated with significantly less functional constipation by age 4.
  • Children exceeding the WHO recommendation of 60 minutes of daily physical activity showed a reduced risk of functional constipation by age 4.
  • Similar trends were observed for functional constipation at age 3, though not statistically significant.

Conclusions:

  • Physical activity is associated with a decreased risk of functional constipation in preschool-aged children.
  • The protective effect of physical activity on functional constipation may be time-dependent.