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

Weak Base Solutions03:21

Weak Base Solutions

24.9K
Some compounds produce hydroxide ions when dissolved by chemically reacting with water molecules. In all cases, these compounds react only partially and so are classified as weak bases. These types of compounds are also abundant in nature and important commodities in various technologies. For example, global production of the weak base ammonia is typically well over 100 metric tons annually, being widely used as an agricultural fertilizer, a raw material for chemical synthesis of other...
24.9K
Weak Acid Solutions04:02

Weak Acid Solutions

42.4K
Few compounds act as strong acids. A far greater number of compounds behave as weak acids and only partially react with water, leaving a large majority of dissolved molecules in their original form and generating a relatively small amount of hydronium ions. Weak acids are commonly encountered in nature, being the substances partly responsible for the tangy taste of citrus fruits, the stinging sensation of insect bites, and the unpleasant smells associated with body odor. A familiar example of a...
42.4K
Titration of a Weak Acid with a Weak Base01:08

Titration of a Weak Acid with a Weak Base

4.9K
Weak acids and bases do not undergo dissociation completely, and titrations between these two are rarely studied. When such studies are performed, say, for the titration of a weak acid with a weak base, the titration curve plots the change in pH as a function of the volume of base added. Take the titration of acetic acid with ammonia, for instance. During the titration, these two species form ammonium acetate and water, but the pH change is slow and gradual.
As a result, there is no simple...
4.9K
Titration Calculations: Weak Acid - Strong Base03:55

Titration Calculations: Weak Acid - Strong Base

49.1K
Calculating pH for Titration Solutions: Weak Acid/Strong Base
For the titration of 25.00 mL of 0.100 M CH3CO2H with 0.100 M NaOH, the reaction can be represented as:
49.1K
The Sulfur Cycle01:22

The Sulfur Cycle

51.8K
Sulfur, an important element in the chemical makeup of proteins, is recycled through the atmosphere and aquatic and terrestrial environments. Found in the atmosphere as sulfur dioxide (SO2), sulfur is released by decaying organisms, weathered rocks, geothermal vents, volcanos, and burning fossil fuels. It is deposited into the ecosystem, cycled through the biotic community, and either released back into the atmosphere as gas or deposited in marine sediment for long-term storage and eventual...
51.8K
What are Biogeochemical Cycles?00:54

What are Biogeochemical Cycles?

39.2K
The most common elements in organic molecules, carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus, are only available in the ecosystem in limited amounts. Therefore, these nutrients must be recycled through both biotic and abiotic components of the ecosystem, in processes generally called biogeochemical cycles.
39.2K

You might also read

Related Articles

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

Sort by
Same author

Clinical Care and Rehabilitation in Neuromuscular Disorders-Why It Highly Matters.

Journal of clinical medicine·2026
Same author

Variety of Neuropsychological Deficits and Clinical Rehabilitation Course After Surgical Removal of Cerebral Meningioma Under Neuropsychological Therapy.

Brain sciences·2026
Same author

Team-Based Long-Term Multidisciplinary Inpatient Neurological Rehabilitation After Surgery of Cerebral Meningioma-Outcome and Confounding Factors.

Brain sciences·2026
Same author

Rehabilitation in Amyotrophic Lateral Sclerosis: Recommendations for Clinical Practice and Further Research.

Journal of clinical medicine·2025
Same author

Intra- and Inter-Rater Reliability, Parallel Test Reliability, and Internal Consistency of the Tuning Fork and Monofilament Tests.

Bioengineering (Basel, Switzerland)·2025
Same author

Test-Retest Reliability, Parallel Test Reliability, and Internal Consistency of Balance Assessments in Young Healthy Adults.

Journal of functional morphology and kinesiology·2025

Related Experiment Video

Updated: Jan 26, 2026

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis
08:48

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis

Published on: January 29, 2016

17.3K

Cycle ergometer training vs resistance training in ICU-acquired weakness.

Jitka Veldema1, Kathrin Bösl1, Peter Kugler1

  • 1VAMED Klinik Kipfenberg, Kipfenberg, Germany.

Acta Neurologica Scandinavica
|April 13, 2019
PubMed
Summary

Cycle ergometer and resistance training improved walking ability, muscle strength, and endurance in intensive care unit acquired weakness patients. Ergometer training showed potential superiority over resistance training for enhanced rehabilitation outcomes.

Keywords:
ergometer traininggaitintensive care unit acquired weaknessresistance training

More Related Videos

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury
08:07

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury

Published on: February 1, 2018

13.2K
Dosage-Adjusted Resistance Training in Mice with a Reduced Risk of Muscle Damage
07:29

Dosage-Adjusted Resistance Training in Mice with a Reduced Risk of Muscle Damage

Published on: August 31, 2022

2.2K

Related Experiment Videos

Last Updated: Jan 26, 2026

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis
08:48

Adapted Resistance Training Improves Strength in Eight Weeks in Individuals with Multiple Sclerosis

Published on: January 29, 2016

17.3K
Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury
08:07

Paradigms of Lower Extremity Electrical Stimulation Training After Spinal Cord Injury

Published on: February 1, 2018

13.2K
Dosage-Adjusted Resistance Training in Mice with a Reduced Risk of Muscle Damage
07:29

Dosage-Adjusted Resistance Training in Mice with a Reduced Risk of Muscle Damage

Published on: August 31, 2022

2.2K

Area of Science:

  • Physical Therapy
  • Rehabilitation Medicine
  • Intensive Care Medicine

Background:

  • Intensive care unit (ICU) acquired weakness significantly impairs patients' functional recovery.
  • Standard care alone may not fully restore walking ability, muscle strength, and endurance.
  • Novel training interventions are needed to optimize rehabilitation outcomes in the ICU setting.

Purpose of the Study:

  • To investigate the effectiveness of cycle ergometer training and resistance training as adjuncts to standard care.
  • To enhance walking ability, lower limb muscular strength, cardiovascular endurance, and health-related quality of life.
  • To compare the efficacy of ergometer training versus resistance training in ICU patients with acquired weakness.

Main Methods:

  • A randomized controlled trial involving 39 patients with severe to moderate walking disability.
  • Three groups: cycle ergometer training, resistance training, and standard care (control).
  • Interventions applied 5 days/week for 4 weeks during inpatient neurological rehabilitation, with assessments at baseline, 2 weeks, and 4 weeks.

Main Results:

  • Both ergometer and resistance training significantly improved lower limb muscle strength, walking ability, and cardiorespiratory fitness compared to standard care.
  • Ergometer training demonstrated a potential advantage over resistance training in enhancing rehabilitation outcomes.
  • Improvements were observed in functional ambulation, muscle strength metrics, and physical working capacity at fatigue threshold.

Conclusions:

  • Cycle ergometer and resistance training are effective interventions to enhance standard care for ICU acquired weakness.
  • These training modalities should be considered for integration into comprehensive rehabilitation programs.
  • Further research is warranted to optimize the implementation and confirm the superiority of specific training protocols.