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Related Concept Videos

Drug Dosing: Geriatric Patients01:15

Drug Dosing: Geriatric Patients

128
Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
128
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Excretion

157
In geriatric patients, renal physiology undergoes significant changes, including diminished renal blood flow and a lower glomerular filtration rate (GFR), leading to alterations in medication clearance. Drugs such as aminoglycoside antibiotics, lithium, and digoxin, which rely on glomerular filtration for removal from the body, particularly impact pharmacokinetics. These drugs tend to have slower clearance rates in older adults, necessitating careful dosage considerations.Evaluation of renal...
157
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

111
Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
111
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution01:00

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

93
Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are...
93
Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism01:18

Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Metabolism

110
Geriatric patients show significant variation in how their bodies process medications, which can change how effective and safe treatments are. The liver is the primary organ where drug metabolism occurs, involving two main types of chemical reactions: phase I and II. Phase I metabolism is driven by the cytochrome P450 enzyme system, which includes key types such as CYP3A, CYP2D6, and CYP2C9. Research indicates that while aging doesn't notably alter the levels or activity of these enzymes, it...
110

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Related Experiment Video

Updated: Dec 6, 2025

Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
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Functional fitness normative values for elderly polish population.

Zofia Ignasiak1, Anna Sebastjan2, Teresa Sławińska1

  • 1University School of Physical Education in Wrocław, Al. I.J. Paderewskiego 35, 51-612, Wrocław, Poland.

BMC Geriatrics
|October 7, 2020
PubMed
Summary

Functional physical fitness declines with age, particularly dynamic balance and aerobic capacity, impacting independence in seniors. Monitoring fitness is crucial for tailored interventions and promoting healthy aging.

Keywords:
ElderlyNormsPhysical fitness

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Area of Science:

  • Gerontology
  • Physical Therapy
  • Public Health

Background:

  • Assessing functional physical fitness in community-dwelling older adults is vital for understanding independence loss.
  • Monitoring seniors' motor function allows for personalized care programs and interventions.

Purpose of the Study:

  • To evaluate the functional physical fitness of independent older adults across different age groups.
  • To identify age-related changes and sex differences in physical fitness components.

Main Methods:

  • A cross-sectional study involving 5367 individuals (mean age 69.6 ± 7.1 years).
  • Data collected on anthropometric features and physical fitness using the Senior Fitness Test (SFT).

Main Results:

  • Significant age-related declines were observed in all SFT components.
  • Dynamic balance and aerobic capacity showed the most substantial decreases, especially after age 80.
  • Muscular strength in the upper and lower body decreased by less than 30%.

Conclusions:

  • Findings highlight the importance of fitness monitoring for preventing functional independence loss in the elderly.
  • Results can inform the development of targeted prevention and gerontological education programs.
  • Promoting an active lifestyle is key for successful aging and reducing healthcare costs.