Geoff Power
@geoffpower.bsky.social
Associate Professor | Neuromuscular Performance across the lifespan | Muscle Mechanics | Aging | https://uofgpowerlab.weebly.com/
Pinned
Geoff Power
@geoffpower.bsky.social
· Oct 7
Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
University of Guelph. Here, we present a novel protocol to non-invasively measure the torque-angular velocity-power relationship in vivo in rat plantar flexors using transcutaneous muscle stimulation...
app.jove.com
📢 latest from the PowerLab🚨
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
Reposted by Geoff Power
Limb lengthening: Slower Distraction Rates May Expedite Patient Joint Recovery
Publication: Journal of Applied Physiology
Articles in Press
doi.org/10.1152/japp...
Publication: Journal of Applied Physiology
Articles in Press
doi.org/10.1152/japp...
doi.org
November 21, 2025 at 1:29 PM
Limb lengthening: Slower Distraction Rates May Expedite Patient Joint Recovery
Publication: Journal of Applied Physiology
Articles in Press
doi.org/10.1152/japp...
Publication: Journal of Applied Physiology
Articles in Press
doi.org/10.1152/japp...
Reposted by Geoff Power
Hypoxia acclimation of zebrafish causes morphological and functional changes to the heart. New paper out from MSc thesis of Liz Manchester using cardiac ultrasound. journals.biologists.com/jeb/article/...
November 20, 2025 at 1:26 PM
Hypoxia acclimation of zebrafish causes morphological and functional changes to the heart. New paper out from MSc thesis of Liz Manchester using cardiac ultrasound. journals.biologists.com/jeb/article/...
Reposted by Geoff Power
Since the Journal of Applied Physiology isn’t on Bluesky: Research Article by SJ Skaper et al. The #energycost of #cyclic #musclecontractions at different initial #muscle-#tendon unit lengths derived from near-#infraredspectroscopy
ow.ly/Irns50XmL
ow.ly/Irns50XmL
November 17, 2025 at 11:15 PM
Since the Journal of Applied Physiology isn’t on Bluesky: Research Article by SJ Skaper et al. The #energycost of #cyclic #musclecontractions at different initial #muscle-#tendon unit lengths derived from near-#infraredspectroscopy
ow.ly/Irns50XmL
ow.ly/Irns50XmL
Reposted by Geoff Power
Synergistic yet different: Rethinking the gastrocnemii as two functionally distinct muscles.
In this preprint perspective article, @francoishug.bsky.social and I delve into the biomechanics, anatomy, neural control, and function of the gastrocnemius muscles, two important calf muscles.
In this preprint perspective article, @francoishug.bsky.social and I delve into the biomechanics, anatomy, neural control, and function of the gastrocnemius muscles, two important calf muscles.
Synergistic yet different: Rethinking the gastrocnemii as two functionally distinct muscles
Abstract The human medial and lateral gastrocnemius muscles play important roles in gait, standing balance, and numerous sports activities. Because they share
papers.ssrn.com
November 14, 2025 at 4:41 PM
Synergistic yet different: Rethinking the gastrocnemii as two functionally distinct muscles.
In this preprint perspective article, @francoishug.bsky.social and I delve into the biomechanics, anatomy, neural control, and function of the gastrocnemius muscles, two important calf muscles.
In this preprint perspective article, @francoishug.bsky.social and I delve into the biomechanics, anatomy, neural control, and function of the gastrocnemius muscles, two important calf muscles.
Reposted by Geoff Power
Are you a postdoc or Asst. Prof on the job market? Check out our listing and consider applying! The search is very broad and it’s in a great department, location, university! Even with the crazy schedule that comes with being a PI- I love my job @ucdavis.bsky.social @ucdavisvetmed.bsky.social!
Our department @ucdavisvetmed.bsky.social @ucdavis.bsky.social is hiring! We welcome research that diversifies or complements existing strengths in gastrointestinal, neuroimmune, musculoskeletal, cardiorespiratory
systems and/or developmental biology. @socdevbio.bsky.social @ascbiology.bsky.social
systems and/or developmental biology. @socdevbio.bsky.social @ascbiology.bsky.social
November 12, 2025 at 6:54 PM
Are you a postdoc or Asst. Prof on the job market? Check out our listing and consider applying! The search is very broad and it’s in a great department, location, university! Even with the crazy schedule that comes with being a PI- I love my job @ucdavis.bsky.social @ucdavisvetmed.bsky.social!
Reposted by Geoff Power
Looking forward to attending the upcoming Tornado Alley Muscle Meeting this week hosted by #KevinMurachPhD #DavisEnglund #ZachHettinger, and #Ben Miller. Hopefully no actual tornados 😄#Myoblue
November 12, 2025 at 7:41 PM
Looking forward to attending the upcoming Tornado Alley Muscle Meeting this week hosted by #KevinMurachPhD #DavisEnglund #ZachHettinger, and #Ben Miller. Hopefully no actual tornados 😄#Myoblue
Reposted by Geoff Power
Come join us @westernu.ca @schulichmeddent.bsky.social as Canada Research Chair (CRC) Tier 2 in Cancer Biotherapeutics: uwo.ca/facultyrelat... DM me with questions. As a CRC 2 recruit to ACB, I highly recommend it!
uwo.ca
November 11, 2025 at 9:57 PM
Come join us @westernu.ca @schulichmeddent.bsky.social as Canada Research Chair (CRC) Tier 2 in Cancer Biotherapeutics: uwo.ca/facultyrelat... DM me with questions. As a CRC 2 recruit to ACB, I highly recommend it!
Reposted by Geoff Power
Had a good lol at this one 🤣
November 11, 2025 at 1:19 AM
Had a good lol at this one 🤣
Reposted by Geoff Power
Myostatin deficiency blunts mechanical adaptation of soleus muscle to overload
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Myostatin deficiency blunts mechanical adaptation of soleus muscle to overload - Journal of Muscle Research and Cell Motility
The aim of this study was to determine the impact of myostatin deficiency on the mechanical and contractile adaptations of the soleus muscle to functional overload (FO). Using a cross-sectional design...
link.springer.com
November 4, 2025 at 10:20 PM
Myostatin deficiency blunts mechanical adaptation of soleus muscle to overload
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Reposted by Geoff Power
Sex differences in human skeletal muscle fiber types and the influence of age, physical activity, and muscle group: A systematic review and meta-analysis
physoc.onlinelibrary.wiley.com/doi/10.14814...
physoc.onlinelibrary.wiley.com/doi/10.14814...
Sex differences in human skeletal muscle fiber types and the influence of age, physical activity, and muscle group: A systematic review and meta‐analysis
Systematic review and meta-analysis observing sex differences in fiber type size and composition. Shown are the number of studies identified through to the studies and number of males and females inc...
physoc.onlinelibrary.wiley.com
November 3, 2025 at 5:25 PM
Sex differences in human skeletal muscle fiber types and the influence of age, physical activity, and muscle group: A systematic review and meta-analysis
physoc.onlinelibrary.wiley.com/doi/10.14814...
physoc.onlinelibrary.wiley.com/doi/10.14814...
Reposted by Geoff Power
Reposted by Geoff Power
Top Cited Review Article: Mechanisms of mechanical overload-induced skeletal muscle hypertrophy: current understanding and future directions
Michael D. Roberts, et al.
https://ow.ly/moMh50Xe5nU
#hypertrophy #myofiber
Michael D. Roberts, et al.
https://ow.ly/moMh50Xe5nU
#hypertrophy #myofiber
October 31, 2025 at 5:00 PM
Top Cited Review Article: Mechanisms of mechanical overload-induced skeletal muscle hypertrophy: current understanding and future directions
Michael D. Roberts, et al.
https://ow.ly/moMh50Xe5nU
#hypertrophy #myofiber
Michael D. Roberts, et al.
https://ow.ly/moMh50Xe5nU
#hypertrophy #myofiber
Reposted by Geoff Power
Estrogen in skeletal muscle: metabolism, mechanisms, and exercise-induced changes
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Estrogen in skeletal muscle: metabolism, mechanisms, and exercise-induced changes - Journal of Endocrinological Investigation
With the intensification of population aging, issues such as age-related skeletal muscle loss and metabolic disorders have garnered increasing attention. As the menopausal transition progresses, circu...
link.springer.com
October 22, 2025 at 4:31 PM
Estrogen in skeletal muscle: metabolism, mechanisms, and exercise-induced changes
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Reposted by Geoff Power
Reposted by Geoff Power
Skeletal muscle effects of Janus kinase inhibition in rheumatoid arthritis (RAMUS): a single-arm, experimental medicine study
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
Skeletal muscle effects of Janus kinase inhibition in rheumatoid arthritis (RAMUS): a single-arm, experimental medicine study
Tofacitinib treatment in patients with rheumatoid arthritis was associated with increased
muscle volume after 6 months. The increase in serum creatinine associated with tofacitinib
treatment might ref...
www.thelancet.com
October 19, 2025 at 4:30 PM
Skeletal muscle effects of Janus kinase inhibition in rheumatoid arthritis (RAMUS): a single-arm, experimental medicine study
www.thelancet.com/journals/lan...
www.thelancet.com/journals/lan...
Reposted by Geoff Power
Title: Sport Science Manager, Elite Athlete Performance
📍Place: @lululemonus.bsky.social 🇨🇦
💰Salary: $119,200 - 156,500 CAD
📅Deadline: -
ℹ For more details👇 careers.lululemon.com/en_US/career...
📍Place: @lululemonus.bsky.social 🇨🇦
💰Salary: $119,200 - 156,500 CAD
📅Deadline: -
ℹ For more details👇 careers.lululemon.com/en_US/career...
careers.lululemon.com
October 19, 2025 at 7:42 AM
Title: Sport Science Manager, Elite Athlete Performance
📍Place: @lululemonus.bsky.social 🇨🇦
💰Salary: $119,200 - 156,500 CAD
📅Deadline: -
ℹ For more details👇 careers.lululemon.com/en_US/career...
📍Place: @lululemonus.bsky.social 🇨🇦
💰Salary: $119,200 - 156,500 CAD
📅Deadline: -
ℹ For more details👇 careers.lululemon.com/en_US/career...
Was a fun time catching up with friends and colleagues at the 2025 Canadian Society for Exercise Physiology (CSEP) meeting in London. My old PhD stomping grounds.
Always great to see the trainees in action!
uofgpowerlab.weebly.com
Always great to see the trainees in action!
uofgpowerlab.weebly.com
October 18, 2025 at 2:43 PM
Was a fun time catching up with friends and colleagues at the 2025 Canadian Society for Exercise Physiology (CSEP) meeting in London. My old PhD stomping grounds.
Always great to see the trainees in action!
uofgpowerlab.weebly.com
Always great to see the trainees in action!
uofgpowerlab.weebly.com
Reposted by Geoff Power
Played a small part in this project, but there some really interesting and cool findings from the Sharples Lab here. Focus on the memory of repeat muscle atrophy in human skeletal muscle 💪
Repeated Disuse Atrophy Imprints a Molecular Memory in Skeletal Muscle: Transcriptional Resilience in Young Adults and Susceptibility in Aged Muscle https://www.biorxiv.org/content/10.1101/2025.10.16.681134v1
October 18, 2025 at 1:15 AM
Played a small part in this project, but there some really interesting and cool findings from the Sharples Lab here. Focus on the memory of repeat muscle atrophy in human skeletal muscle 💪
Reposted by Geoff Power
Geneviève J. DesOrmeaux of maastrichtu.bsky.social et al. present this #JournalClub focusing on the work of Luk et al. (2025), highlighting that strength training while #dehydrated causes excessive oxidative stress in skeletal muscle ✍️ 🫗
🔗 physoc.onlinelibrary.wiley.com/doi/10.1113/...
🔗 physoc.onlinelibrary.wiley.com/doi/10.1113/...
October 15, 2025 at 3:04 PM
Geneviève J. DesOrmeaux of maastrichtu.bsky.social et al. present this #JournalClub focusing on the work of Luk et al. (2025), highlighting that strength training while #dehydrated causes excessive oxidative stress in skeletal muscle ✍️ 🫗
🔗 physoc.onlinelibrary.wiley.com/doi/10.1113/...
🔗 physoc.onlinelibrary.wiley.com/doi/10.1113/...
Reposted by Geoff Power
Excited to share our preprint using time-resolved small-angle X-ray diffraction to study myosin motor conformations during isometric twitch and tetanus contractions in the slow-twitch rat soleus skeletal muscle #myoblue
October 15, 2025 at 12:55 AM
Excited to share our preprint using time-resolved small-angle X-ray diffraction to study myosin motor conformations during isometric twitch and tetanus contractions in the slow-twitch rat soleus skeletal muscle #myoblue
📢 latest from the PowerLab🚨
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
University of Guelph. Here, we present a novel protocol to non-invasively measure the torque-angular velocity-power relationship in vivo in rat plantar flexors using transcutaneous muscle stimulation...
app.jove.com
October 7, 2025 at 1:48 PM
📢 latest from the PowerLab🚨
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
app.jove.com/t/68858/cons...
Step by step guide on Construction of Constant-Load (Isotonic) and Constant-Velocity (Isokinetic) Torque-Velocity-Power Profiles In vivo for the Rat Plantar Flexors
Video to follow!
Reposted by Geoff Power
The neural control & computation lab is recruiting!
If you're interested in using large-scale neural population recordings to study how the brain learns to produce complex and flexible behaviours, please get in touch.
www.ncclab.ca
If you're interested in using large-scale neural population recordings to study how the brain learns to produce complex and flexible behaviours, please get in touch.
www.ncclab.ca
October 1, 2025 at 11:23 PM
The neural control & computation lab is recruiting!
If you're interested in using large-scale neural population recordings to study how the brain learns to produce complex and flexible behaviours, please get in touch.
www.ncclab.ca
If you're interested in using large-scale neural population recordings to study how the brain learns to produce complex and flexible behaviours, please get in touch.
www.ncclab.ca
Reposted by Geoff Power
Brand new POSTDOC opportunity in my lab (!!) will help lead a multi-institutional collaboration designed to enhance understanding of anatomic variability in Achilles tendinopathy toward more effective, personalized clinical interventions.
Learn more and apply: unc.peopleadmin.com/postings/307...
Learn more and apply: unc.peopleadmin.com/postings/307...
October 1, 2025 at 4:23 PM
Brand new POSTDOC opportunity in my lab (!!) will help lead a multi-institutional collaboration designed to enhance understanding of anatomic variability in Achilles tendinopathy toward more effective, personalized clinical interventions.
Learn more and apply: unc.peopleadmin.com/postings/307...
Learn more and apply: unc.peopleadmin.com/postings/307...
Reposted by Geoff Power
Functional and structural pathologies in skeletal muscle of a rat model of Duchenne muscular dystrophy
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Functional and structural pathologies in skeletal muscle of a rat model of Duchenne muscular dystrophy
Background Duchenne muscular dystrophy (DMD) is a lethal pediatric degenerative muscle disease for which there is no cure. Robust preclinical models that recapitulate major clinical features of DMD ar...
www.biorxiv.org
September 26, 2025 at 8:03 PM
Functional and structural pathologies in skeletal muscle of a rat model of Duchenne muscular dystrophy
www.biorxiv.org/content/10.1...
www.biorxiv.org/content/10.1...
Reposted by Geoff Power
Does biological sex impact the rate of intrinsic mitochondrial respiration in the presence of creatine in human skeletal muscle? Emily J. Ferguson (@queensuresearch.bsky.social) et al. investigate!
📜 buff.ly/46B6lzL
📜 buff.ly/46B6lzL
September 26, 2025 at 2:12 PM
Does biological sex impact the rate of intrinsic mitochondrial respiration in the presence of creatine in human skeletal muscle? Emily J. Ferguson (@queensuresearch.bsky.social) et al. investigate!
📜 buff.ly/46B6lzL
📜 buff.ly/46B6lzL