Recent studies suggest that p16INK4a+ cells, previously thought to be non-beneficial due to their association with aging, actually contribute to tendon regeneration. These mesenchymal cells produce collagen and factors promoting new blood vessel and nerve growth, crucial for normal tendon function.
SourceEditorial Office of West China School of Stomatology, Sichuan University·JournalBone Research·TypeExperimental study·DateJul 3, 2026
MIT engineers developed artificial tendons made from hydrogel to connect lab-grown muscles with robotic skeletons. The tendons improved the robot's motion and force output by three times, enabling faster and more efficient biohybrid robots.
SourceMassachusetts Institute of Technology·JournalAdvanced Science·DateDec 1, 2025
A new noninvasive method uses multi-echo ultrashort echo time MRI and shear wave elastography ultrasound to assess the structure and function of the Achilles tendon in professional ballet dancers. The study found that dancers tend to have more tendon stiffness, which corresponds with prior observations of a training effect.
SourceWiley·JournalJournal of Orthopaedic Research®·DateOct 22, 2025
Researchers developed a high-sensitivity bimodal piezotronic sensor to monitor Achilles tendon behavior with an accuracy of 96%. The innovative sensor demonstrates exceptional performance in detecting different movement patterns.
SourceShanghai Jiao Tong University Journal Center·JournalNano-Micro Letters·TypeExperimental study·DateJul 2, 2025
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The study reveals that muscle fibers shorten as forces increase during fast hopping, allowing for faster motion. This counterintuitive behavior enhances leg stiffness, which could impact sports training, rehabilitation, and robotics.
SourceUniversity of Tokyo·JournalJournal of Applied Physiology·TypeExperimental study·DateMar 26, 2025
A new study suggests that ACLR patients have a higher riding patella, shifting load-bearing areas and potentially contributing to osteoarthritis. This finding is observed in both the injured knee and the uninjured contralateral knee.
SourceWiley·JournalJournal of Orthopaedic Research®·DateMar 19, 2025
Researchers at the University of Tokyo developed a biohybrid hand that can move objects and mimic real-life forms, using multiple muscle tissue actuators created from lab-grown muscle tissue. The hand demonstrated its ability to perform complex gestures, including scissor motions, and showed signs of fatigue but recovered within an hour.
SourceUniversity of Tokyo·JournalScience Robotics·TypeExperimental study·DateFeb 12, 2025
Researchers at Osaka Metropolitan University have found that plasma irradiation can enhance tendon-to-bone junction repair, leading to faster healing rates and stronger repairs. The study used rabbit models to test the effects of plasma on rotator cuff injuries, showing promising results.
SourceOsaka Metropolitan University·JournalJournal of Shoulder and Elbow Surgery·TypeExperimental study·DateOct 25, 2024
Researchers at Columbia University have developed a biomimicry-inspired device that nearly doubles the strength of rotator cuff repairs, reducing the risk of re-tearing. The device, made from a biocompatible resin, is designed to grasp soft tissues without tearing and can be customized to individual patients.
SourceColumbia University School of Engineering and Applied Science·JournalScience Advances·DateJun 28, 2024
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A team of researchers has created a new approach to deliver drugs precisely to surgically repaired tendons using nanoparticles, reducing scar tissue formation and improving function. The treatment targets the Acp5 gene, which is highly expressed at the injury site, and delivers medication directly to the healing tendon.
SourceUniversity of Rochester Medical Center·JournalScience Advances·DateJun 27, 2024
Researchers at Osaka Metropolitan University have discovered that plasma irradiation can accelerate tendon repair, showing faster regeneration and increased strength in lab rats. This breakthrough could lead to shorter treatment times and more reliable tendon healing for athletes and individuals with sports-related injuries.
SourceOsaka Metropolitan University·JournalPLOS ONE·TypeExperimental study·DateMay 21, 2024
Scientists have created a new approach for treating tendon-bone injuries by combining manganese silicate nanoparticles with cells to create an immunomodulatory scaffold. This innovation promotes integrated regeneration and functional recovery in patients, offering a promising solution for improving life quality.
SourceChinese Academy of Sciences Headquarters·JournalScience Advances·TypeExperimental study·DateMar 14, 2024
Research by Queen Mary University of London found that girls with obesity are 1.7 times more likely than those with a healthy weight to have at least one GP consultation for musculoskeletal symptoms or diagnosis in childhood. Knee pain was the most common symptom reported, and researchers hope their findings will raise awareness about ...
SourceQueen Mary University of London·JournalArchives of Disease in Childhood·TypeData/statistical analysis·DateMar 12, 2024
Researchers at Waseda University used diffusion tensor imaging to reconstruct fascicles in three dimensions, finding that a gearing mechanism reduces individual fascicle elongation during stretching. This mechanism allows muscles to extend without significant fiber length changes, preventing overstretching and injury.
SourceWaseda University·JournalMedicine & Science in Sports & Exercise·TypeExperimental study·DateDec 6, 2023
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Researchers at Nagoya University have discovered a unique healing mechanism in newts that could aid humans in recovering faster from tendon injuries. By understanding how newts regenerate damaged tendons without scar tissue, scientists hope to develop more effective treatments for human athletes.
SourceNagoya University·JournalJournal of Orthopaedic Research®·DateNov 28, 2023
A new forecast projects 1060 million people worldwide will live with 'other' musculoskeletal disorders by 2050, increasing healthcare needs and pressures on stretched systems. Research found these conditions are reported higher in females, increase with age, and peak at 60-69 years.
SourceFlinders University·JournalThe Lancet Rheumatology·TypeSystematic review·DateNov 20, 2023
Scientists at Heidelberg Institute for Theoretical Studies discovered that collagen's weak sacrificial bonds rupture before the main structure, protecting tissue from excessive force. This mechanism helps to localize damage and promote recovery by dissipating mechanical stress and reducing oxidative stress in the body.
SourceHeidelberg Institute for Theoretical Studies (HITS)·JournalNature Communications·TypeComputational simulation/modeling·DateJul 3, 2023
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Researchers developed tendon-mimetic hydrogels with outstanding mechanical properties, including excellent Young's modulus and strength, by mixing aramid nanofibers with polyvinyl alcohol. These hydrogels show promising capabilities for tissue repair and implantable medical devices.
SourceThe University of Hong Kong·JournalScience Advances·TypeExperimental study·DateApr 20, 2023
A team of researchers at the University of Illinois has developed a bio-inspired model that simulates variable stiffness flaps on an airfoil to improve lift. The study used reinforcement learning to optimize the stiffness levels, resulting in significant improvements compared to traditional single-stiffness models.
SourceUniversity of Illinois Grainger College of Engineering·JournalJournal of Fluid Mechanics·DateApr 6, 2023
Researchers developed a new approach to suturing based on the mechanics and spacing of a hitchhiker plant's attachment system, promising to balance forces across sutures and reduce failure rates in surgical procedures. The findings were published in Proceedings of the Royal Society A.
SourceWashington University in St. Louis·JournalProceedings of the Royal Society A Mathematical Physical and Engineering Sciences·DateMar 14, 2023
A USC-led team of scientists identified the key gene Nr5a2, essential for opening up genome regions that enable neural crest cells to form tendons and salivary glands. Zebrafish and mice lacking this gene exhibited skeletal and tendon defects, as well as failed salivary gland development.
SourceKeck School of Medicine of USC·JournalDevelopmental Cell·TypeExperimental study·DateMar 10, 2023
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Researchers analyzed MRI images of Olympic athletes' injuries during the 2020 Tokyo Games and found that those with tendon tears were more likely to drop out. The study aims to improve injury management and prevention by understanding different types of muscle injuries and their outcomes.
SourceTokyo Medical and Dental University·JournalBritish Journal of Sports Medicine·DateJan 18, 2023
Researchers have discovered that stem cells can regenerate the enthesis, a critical layer of tissue connecting tendon to bone, in rotator cuff injury models. This breakthrough could lead to improved shoulder surgery outcomes and reduced repair failure rates, potentially benefiting millions of people worldwide.
SourceColumbia University Irving Medical Center·JournalCell Stem Cell·TypeExperimental study·DateDec 15, 2022
The proportion of hamstring injuries and associated lay-off days among male professional European footballers has doubled over the past 20 years. Nearly one in five injuries were recurrences, occurring within two months of return to play, with most injuries being structural and resulting in more lay-off days.
SourceBMJ Group·JournalBritish Journal of Sports Medicine·TypeObservational study·DateDec 6, 2022
Researchers found that cells in diseased connective tissue lose their ability to reorder DNA information correctly, leading to cell dysfunction. The study suggests that epigenetic treatments could restore healthy genome organization and may be effective treatments for conditions affecting dense tissues.
SourceUniversity of Pennsylvania School of Medicine·JournalNature Biomedical Engineering·TypeExperimental study·DateAug 22, 2022
Researchers at the University of Connecticut have developed a potential breakthrough treatment for rotator cuff tears, using an advanced polymer to stimulate regeneration of both the tendon and muscle. This approach addresses the real problem of muscle degeneration and fat accumulation that often leads to re-injury after surgery.
SourceUniversity of Connecticut·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateAug 12, 2022
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CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.
A new study by Edith Cowan University identified the most common injury types and body regions affected among police recruits, with knee injuries having the greatest impact. The study also found that men under 30 had a substantially reduced injury risk, highlighting the importance of tailored training programs to reduce injury rates.
SourceEdith Cowan University·JournalJournal of Occupational Rehabilitation·TypeData/statistical analysis·DateAug 2, 2022
A new wearable technology project aims to empower older women to continue participating in sports and exercise without fear of pain or injuries. The project, MISFIT, will develop smart textiles and footwear insoles to monitor injury risk and provide personalized advice to health professionals.
Scientists at Scripps Research discovered a genetic mutation in PIEZO1 ion channel that impacts tendon biology and boosts the physical performance of mice. Mice with the PIEZO1 mutation had wider tendons, more compliant structures, and could store three times more energy.
SourceScripps Research Institute·JournalScience Translational Medicine·DateJun 1, 2022
A team from the Terasaki Institute for Biomedical Innovation has created a method to repair tendons using silk fibroin scaffolds, which showed improved healing and regeneration of injured tendons. The scaffold combines silk fibroin with GelMA to promote cell attachment, growth, and differentiation.
SourceTerasaki Institute for Biomedical Innovation·JournalSmall·TypeExperimental study·DateMay 3, 2022
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Scientists at Tokyo Medical and Dental University developed artificial tendons using human stem cells, mimicking natural tendon properties. The resulting tissue exhibited similar mechanical and biological properties to normal tendons, making it an attractive strategy for clinical application in tendon injuries.
SourceTokyo Medical and Dental University·JournalJournal of Tissue Engineering·DateFeb 22, 2022
A team of researchers led by Guy Genin and Stavros Thomopoulos found a previously unknown fibrous architecture in the shoulder joint, revealing new features of the attachment system. The discovery sheds light on how the rotator cuff functions and why repairs fail frequently.
SourceWashington University in St. Louis·JournalScience Advances·TypeImaging analysis·DateNov 26, 2021
Researchers at LSU Health have rediscovered the correct anatomy of the hip muscles, finding that they do not join into a single tendon but instead attach to different regions. This discovery has significant implications for understanding the evolution of human upright gait and bipedal locomotion.
SourceLouisiana State University Health Sciences Center·JournalThe Anatomical Record·TypeObservational study·DateNov 8, 2021
Researchers at Tel Aviv University discovered seahorses can move their head up to catch prey at incredible speeds, facilitated by a powerful flow of water and spring-like mechanism. This study sheds light on the ecology of seahorses, revealing that longer noses enable stronger suction currents for catching smaller prey.
SourceTel-Aviv University·JournalExperimental biology·DateSep 30, 2021
Researchers aim to replicate natural tendon development using embryonic chicken and mouse models, with a focus on mechanical stimulation and nanoparticle design.
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Researchers used autologous adipose micrografts to treat tendon injuries in sheep, achieving similar diameter and hardness to healthy tendons within two months. The study suggests a safe, reliable, and relatively fast way to promote tendon healing, with potential for human treatment.
SourceAlphaMed Press·JournalStem Cells Translational Medicine·TypeExperimental study·DateAug 16, 2021
University of Virginia researchers design a simple way to implement a tunable stiffness strategy in robots, enabling efficient swimming at varying speeds. The approach, inspired by the natural adaptability of fish, uses a programmable artificial tendon to adjust tail stiffness in real-time.
SourceUniversity of Virginia School of Engineering and Applied Science·JournalScience Robotics·TypeExperimental study·DateAug 11, 2021
A study published in the Journal of the American Medical Association found that PRP injection provides no benefit for patients with debilitating Achilles tendon pain. The researchers recommend against using PRP treatment for these patients due to its lack of effectiveness and potential short-term harm.
A study of 1,234 revision ACL reconstruction patients found that using an interference screw for femoral and tibial fixation significantly improves six-year clinical outcomes. The transtibial surgical approach also showed improved results in pain and QOL subscales.
SourceAmerican Orthopaedic Society for Sports Medicine·DateJul 9, 2021
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Researchers at Baylor College of Medicine discover a protein signaling mechanism driving joint and tendon dysfunction in OI, finding that inhibiting this pathway can prevent tendinopathy problems. The study used mouse models with deleted Fkpb10 gene, leading to contracture, joint inflammation, and cartilage piece formation.
SourceBaylor College of Medicine·JournalProceedings of the National Academy of Sciences·DateJun 14, 2021
Researchers have deciphered how tendon cells adapt to physical demands, revealing a molecular force sensor that promotes stiffness. A gene variant associated with West African ancestry enhances jumping performance in humans by 13%, suggesting its potential role in elite athletic success.
SourceETH Zurich·JournalNature Biomedical Engineering·DateMay 24, 2021
A new analysis found that third-generation fluoroquinolones are not associated with an increased risk of Achilles tendon rupture, unlike first- and second-generation antibiotics. The study suggests these newer antibiotics may present a reduced risk of tendon ruptures.
SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMay 11, 2021
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Researchers create synthetic biomaterials mimicking tendon structure and strength through freeze-casting and salting-out processes. The new hydrogels show promise for temporary wound closure, long-term tissue replacement, and wearable medical device coatings.
SourceUniversity of California - Los Angeles·JournalNature·DateFeb 24, 2021
Researchers aim to determine if cellular mechanisms responsible for regenerating tendons in axolotls also apply to human tendon injuries. The study will explore the role of fibroblasts and extracellular matrix in tendon healing.
A study finds that distal femoral cortical irregularities (DFCI) occur in over half of young competitive alpine skiers, primarily due to repetitive stress on tendon attachment sites. DFCI should not be mistaken for cancer or infection and are associated with increased bone remodeling and fibrous proliferation.
SourceRadiological Society of North America·JournalRadiology·DateJun 16, 2020
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A team of biomedical engineers developed novel fibre-reinforced hydrogel scaffolds with improved stress resistance and water volume similar to real tendons and ligaments. The synthetic scaffolds aim to fast-track tendon and ligament regeneration, reducing implant failure and improving tissue integration.
SourceUniversity of Sydney·JournalACS Biomaterials Science & Engineering·DateApr 14, 2020
A new study found that early walking in a brace provides similar outcomes to plaster casting with no increase in the risk of complications. The UKSTAR trial randomized 540 participants and showed better early outcomes for patients who immediate weight bear in a walking boot, leading to potential reduced immobilization time.
SourceUniversity of Oxford·JournalThe Lancet·DateFeb 6, 2020
Researchers discovered tendon stem cells that can improve tendon healing and potentially avoid surgery. These stem cells compete with scar tissue precursors, suggesting a therapeutic approach to prevent fibrous scarring.
SourceCarnegie Institution for Science·JournalNature Cell Biology·DateNov 25, 2019
Researchers found that specialized proresolving mediators can help heal injured tendon cells by attacking inflammation, offering a new approach to treat chronic tendon injuries. The study suggests these mediators may target diseased cells and promote resolution of tendon inflammation.
SourceElsevier·JournalAmerican Journal Of Pathology·DateOct 10, 2019
A University of California - Santa Barbara mechanical engineer's simple running hack uses a light resistance band to increase efficiency by approximately 6.4%. The device optimizes the work needed to swing legs, reducing energy required during each impact with the ground and allowing for shorter strides.
SourceUniversity of California - Santa Barbara·JournalJournal of Experimental Biology·DateOct 8, 2019
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Researchers at Hospital for Special Surgery found that insulin-like growth factor 1 (IGF1) plays a crucial role in tendon growth and adaptation. The study suggests targeting IGF1 may be useful in treating painful tendon injuries, and clinical trials are underway to test this approach.
SourceHospital for Special Surgery·JournalThe FASEB Journal·DateSep 24, 2019
A recent animal study identified IGF1 as essential for adult tendon growth and adaptation. Researchers found that removal of the IGF1 gene prevented tendons from growing properly.
SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateSep 19, 2019
A novel surgical technique connects functioning nerves with injured nerves to restore power in paralyzed muscles, enabling participants to perform everyday tasks independently. The study suggests that nerve transfers can achieve similar functional improvements to traditional tendon transfers, with the benefit of smaller incisions and s...
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A multi-center clinical trial found that performing an additional surgical procedure called lateral extra-articular tenodesis (LET) can improve patient outcomes in young athletes. The study showed a 65% relative risk reduction for graft failure, suggesting patients under 25 may benefit from considering the LET procedure
Carnegie Mellon University researchers developed software to make knitted objects with embedded tendons for actuation, enabling the creation of plush toys and wearable technologies. The technique allows for cost-effective production of soft robots and wearable devices.
Muscle-tendon attachments must resist high mechanical forces for life, but surprisingly few Talin molecules experience detectable forces at developing attachments. To cope with increasing tissue forces, muscles recruit a large number of Talin molecules to share the peak forces produced during contractions.
SourceUniversity of Münster·JournalPLOS Biology·DateApr 4, 2019
A new study from Thomas Jefferson University reveals that decreased oxygen supply to tendons leads to a loss of flexibility and an increase in fibrocartilage-like cells. This knowledge could help develop better treatments for tendinosis and regrow damaged tissue, which is common in older individuals.
SourceThomas Jefferson University·JournalAging Cell·DateApr 2, 2019
Researchers have developed a method to 3D-print cells to produce human tissue such as ligaments and tendons, eliminating the need for additional surgeries and reducing reliance on harvested tissue. The technique involves printing stem cells on hydrogel to form tissue that can grow in vitro before implantation.
SourceUniversity of Utah·JournalJournal of Tissue Engineering and Regenerative Medicine·DateOct 10, 2018
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Researchers discovered that snipefish use an elastic-boosted head flick to capture prey at unprecedented speed, with the fastest recorded events occurring in just two milliseconds. This mechanism allows the fish to pivot their heads rapidly and bring their mouth up close to the prey.
Researchers in Switzerland have developed a novel screening platform using automated 3D bioprinting to fabricate muscle- and tendon-like tissues. The platform demonstrates high viability and good tissue differentiation, functionality of the muscle tissue models is also shown.
SourceSLAS (Society for Laboratory Automation and Screening)·JournalSLAS TECHNOLOGY·DateJun 13, 2018