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Updated: Jun 12, 2026

Induction and Assessment of Exertional Skeletal Muscle Damage in Humans
Published on: December 11, 2016
Temporal changes of muscle injury
Donna G Blankenbaker1, Michael J Tuite
1Department of Radiology, Musculoskeletal Division, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53792-3252, USA. dblankenbaker@uwhealth.org
Muscle injuries, common in athletes, are diagnosed using ultrasound and magnetic resonance (MR) imaging. These imaging techniques help determine injury severity and guide return-to-play decisions for acute and chronic muscle strains.
Area of Science:
- Musculoskeletal imaging
- Sports medicine
- Diagnostic radiology
Background:
- Muscle injuries are frequent in athletes, impacting training and performance.
- Accurate diagnosis is crucial for effective management and return-to-play protocols.
- Both ultrasound and magnetic resonance (MR) imaging are vital tools in assessing muscle damage.
Purpose of the Study:
- To review the imaging characteristics of muscle injuries using MR imaging and ultrasound.
- To correlate imaging findings with injury severity, healing, and potential complications.
- To provide guidance for sports physicians managing muscle strain injuries.
Main Methods:
- Review of current literature on MR imaging and ultrasound of muscle injuries.
- Analysis of imaging features for acute, chronic, healing, and complicated muscle strains.
- Comparison of diagnostic accuracy between ultrasound and MR imaging.
Main Results:
- Ultrasound technology offers high-detail imaging comparable to MR imaging for muscle injury diagnosis.
- Imaging findings help categorize injury degree, guiding rehabilitation and return-to-play timelines.
- Distinct imaging patterns exist for acute strains, chronic pathology, normal healing, and complications.
Conclusions:
- MR imaging and ultrasound are essential for diagnosing and managing muscle injuries.
- Advanced ultrasound provides diagnostic accuracy similar to MR imaging.
- Understanding imaging appearances aids in prognostication and clinical decision-making for athletes.
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