Vita Sonjak

Montreal, QC, Canada

Last Updated: 09/26/2026

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Found 12 publications

Effects of 14 days of head-down bed rest with or without exercise, and subsequent recovery on bone turnover, density and structure in older adults.

Effects of 14 days of head-down bed rest with or without exercise, and subsequent recovery on bone turnover, density and structure in older adults.

Journal: Experimental physiology

Published: February 09, 2026

Resistance training, but not leucine, increased basal muscle protein synthesis and reversed frailty in older women consuming optimized protein intake.

Resistance training, but not leucine, increased basal muscle protein synthesis and reversed frailty in older women consuming optimized protein intake.

Journal: GeroScience

Published: July 02, 2025

Exercise attenuates bed rest-induced increases in insulin resistance while α-klotho increases in 55 to 65 year-old women and men.

Exercise attenuates bed rest-induced increases in insulin resistance while α-klotho increases in 55 to 65 year-old women and men.

Journal: Scientific reports

Published: December 04, 2024

A multimodal exercise countermeasure prevents the negative impact of head-down tilt bed rest on muscle volume and mitochondrial health in older adults.

A multimodal exercise countermeasure prevents the negative impact of head-down tilt bed rest on muscle volume and mitochondrial health in older adults.

Journal: The Journal of physiology

Published: November 02, 2023

Myths and Methodologies: Understanding the health impact of head down bedrest for the benefit of older adults and astronauts. Study protocol of the Canadian Bedrest Study.

Myths and Methodologies: Understanding the health impact of head down bedrest for the benefit of older adults and astronauts. Study protocol of the Canadian Bedrest Study.

Journal: Experimental physiology

Published: August 18, 2023

Impact of 14 Days of Bed Rest in Older Adults and an Exercise Countermeasure on Body Composition, Muscle Strength, and Cardiovascular Function: Canadian Space Agency Standard Measures.

Impact of 14 Days of Bed Rest in Older Adults and an Exercise Countermeasure on Body Composition, Muscle Strength, and Cardiovascular Function: Canadian Space Agency Standard Measures.

Journal: Gerontology

Published: May 26, 2023

Potential mechanisms involved in regulating muscle protein turnover after acute exercise: A brief review.

Potential mechanisms involved in regulating muscle protein turnover after acute exercise: A brief review.

Journal: Frontiers in physiology

Published: November 23, 2022

Implementation of exercise countermeasures during spaceflight and microgravity analogue studies: Developing countermeasure protocols for bedrest in older adults (BROA).

Implementation of exercise countermeasures during spaceflight and microgravity analogue studies: Developing countermeasure protocols for bedrest in older adults (BROA).

Journal: Frontiers in physiology

Published: April 25, 2022

Mitochondrial Content, but Not Function, Is Altered With a Multimodal Resistance Training Protocol and Adequate Protein Intake in Leucine-Supplemented Pre/Frail Women.

Mitochondrial Content, but Not Function, Is Altered With a Multimodal Resistance Training Protocol and Adequate Protein Intake in Leucine-Supplemented Pre/Frail Women.

Journal: Frontiers in nutrition

Published: October 28, 2020

Fidelity of muscle fibre reinnervation modulates ageing muscle impact in elderly women.

Fidelity of muscle fibre reinnervation modulates ageing muscle impact in elderly women.

Journal: The Journal of physiology

Published: May 09, 2019

Reduced Mitochondrial Content, Elevated Reactive Oxygen Species, and Modulation by Denervation in Skeletal Muscle of Prefrail or Frail Elderly Women.

Reduced Mitochondrial Content, Elevated Reactive Oxygen Species, and Modulation by Denervation in Skeletal Muscle of Prefrail or Frail Elderly Women.

Journal: The journals of gerontology. Series A, Biological sciences and medical sciences

Published: September 11, 2018

Smoke-induced neuromuscular junction degeneration precedes the fibre type shift and atrophy in chronic obstructive pulmonary disease.

Smoke-induced neuromuscular junction degeneration precedes the fibre type shift and atrophy in chronic obstructive pulmonary disease.

Journal: The Journal of physiology

Published: November 10, 2017

Showing 1-12 of 12

Last Updated: 09/26/2026