Understanding how skeletal muscle relaxes

Dissecting the structural origin of relaxation in skeletal muscle

['FUNDING_R01'] · UNIV OF MASSACHUSETTS MED SCH WORCESTER · NIH-11053475

This study is exploring how muscles relax after they contract, which is important for everyone, especially those interested in improving muscle function and energy use, by looking closely at the tiny structures in muscles to see how they work together to help muscles relax efficiently.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorUNIV OF MASSACHUSETTS MED SCH WORCESTER (nih funded)
Locations1 site (WORCESTER, UNITED STATES)
Trial IDNIH-11053475 on ClinicalTrials.gov

What this research studies

This research investigates the mechanisms behind muscle relaxation, a process that is not fully understood despite advances in muscle contraction studies. It focuses on the structural and energetic aspects of relaxation, particularly how myosin heads in thick filaments interact and switch off to conserve energy. Using advanced techniques like cryo-electron microscopy, the research aims to uncover the atomic structure of thick filaments and the role of specific myosin head conformations in muscle relaxation. This could lead to a deeper understanding of muscle function and energy efficiency.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with conditions affecting muscle function or those interested in muscle physiology.

Not a fit: Patients with no muscle-related conditions or those not interested in the biological mechanisms of muscle function may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for muscle-related disorders and enhance our understanding of muscle physiology.

How similar studies have performed: While the specific hypothesis regarding super-relaxation and myosin head conformation is novel, similar studies have shown promise in understanding muscle contraction and relaxation mechanisms.

Where this research is happening

WORCESTER, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.