Articles tagged with Musculoskeletal System
Researchers discovered that declining cardiolipin levels in aging muscle mitochondria trigger a defense mechanism to protect cells from ROS damage. By mimicking this decline in young mice, they found that restoring cardiolipin levels can reverse muscle wasting and prevent early deaths.
A study by researchers at the University of Tsukuba found that moles' internal bone structure analysis revealed a more important role for the clavicle in load transmission, with the scapula playing a lesser role. This adaptation allowed moles to efficiently support their body weight and dig in their unique posture.
A new study in mice reveals that abdominal muscles used during normal movement can increase blood flow in the brain by creating ultrafast constrictions of major veins. The research suggests a previously underappreciated aspect of normal brain physiology, highlighting the connection between movement and blood flow.
Researchers have made incremental progress in understanding hypermobile Ehlers-Danlos Syndrome, a genetic disorder characterized by unstable joints and chronic pain. Studies have revealed correlations between hormone levels and symptom severity, as well as the relationship between hypermobile individuals and sleep apnea.
Researchers discovered that β1 integrin and DDR2 form a cooperative collagen-sensing system in skeletal progenitor cells, regulating their migration, proliferation, and differentiation during bone regeneration. Targeting both receptors may provide a more effective strategy for enhancing bone repair in degenerative or injury-related ske...
A research team has identified a novel enhancer that controls the tissue-specific expression of Scleraxis, a key transcription factor for tendon, ligament, and entheses formation. The enhancer, capable of recapitulating Scx gene expression in developing limbs, is highly conserved from lobe-finned fishes to tetrapods.
Researchers at the University of Pennsylvania School of Medicine have developed a novel scaffold system that recreates the natural transition from tendon to cartilage-like tissue to bone, promoting more organized formations of tendons, cartilage-like tissue, and bone at the repair site. This innovation aims to improve the quality and d...
Researchers found distinct patterns of bone density change after anatomical and reverse total shoulder arthroplasty, with significant declines in bone mineral density over time in patients with osteoporosis. These findings suggest that optimizing osteoporosis treatment and monitoring bone density may improve long-term outcomes after re...
Mount Sinai will deliver healthcare services to elite tennis players, focusing on promoting health and wellness, preventing injuries, and meeting community needs. The partnership highlights the importance of access to specialized medical services for athletes competing at the highest level.
Researchers compared Neandertal and modern human pelvises, finding that the male pelvis evolved a unique biomechanical shock-absorbing mechanism that stores energy and facilitates long-distance walking. This innovation likely arose from the need to cushion the impact of each step and release energy with every stride.
Researchers identified dormant progenitor cells in skeletal muscle that migrate to fracture sites and become bone-forming cells. Muscle is the main source of these regenerative cells, which can contribute to both normal fracture healing and heterotopic ossification.
Researchers found that parents who ran with a stroller were less likely to sustain an overuse injury during the first three years after becoming a parent. For every 1,000 miles run, stroller runners saw a 55% lower injury rate compared to those who ran without a stroller.
Researchers at Johns Hopkins Medicine have discovered that inhibiting sensory neurons with a nerve blocker can reduce abnormal bone growth in cartilage after childhood bone injuries, potentially improving recovery. The study found that the treatment reduced unwanted bone growth by up to 60% in mice.
A new study has identified 50 previously unknown subfamilies of myosin genes that drive subtle differences in muscle function among various animal species. The findings suggest that the evolution of animals is not solely driven by external appearance, but also by factors nested beneath the surface.
New study redefines the existence of necks in fish and amphibians, identifying functionally distinct anatomical regions. The project aims to build new definitions that apply more widely across all major vertebrate groups.
A new study has mapped cellular signaling networks between bone and skeletal muscle, identifying key ligand-receptor pairs that facilitate communication between cells. The research revealed a complex network of molecular pathways that coordinate tissue maintenance and remodeling, with implications for understanding musculoskeletal diso...
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.
A Brazilian study found that 86% of children and adolescents with musculoskeletal pain recover, but 32% experience recurring pain. The study identified factors such as quality of life and age as predictors of recovery.
Researchers use ENABLE, a markerless motion capture technology, to estimate metabolic cost for movement efficiency improvement in healthcare and rehabilitation. The team validates the system by comparing model outputs with experimental measurements.
A retrospective cohort study found that menopausal hormone therapy significantly reduces the risk of low bone mineral density by 69% compared to non-users. This suggests that hormone therapy could be an effective way to prevent bone loss and lower fracture risks in women after menopause.
Researchers developed a mineralized DNA hydrogel that coordinates immune regulation and sustained bone regeneration. The material promotes healing-friendly macrophage activity while supporting bone-forming stem cells, accelerating bone repair and improving tissue mineralization.
Researchers developed a senolytic therapy using dasatinib and quercetin, which preserved disc structure and reduced inflammation, highlighting JUN signaling as a key pathway. This preclinical study provides evidence for a potential therapeutic strategy to slow disease progression in individuals with genetic susceptibility.
A new position statement from the Society of Interventional Radiology highlights the growing role of genicular artery embolization (GAE) in treating symptomatic knee osteoarthritis. GAE is a safe and durable joint-preserving intervention that targets inflammatory and neurovascular drivers of KOA-related pain.
A simple 30-second sit-to-stand test can estimate muscle power and identify individuals at higher risk of hospitalization and mortality. The test revealed a strong association between low muscle power and increased risks of falls, fractures, hospitalizations, and mortality in older adults.
Researchers identify TGF-β signaling pathway as key regulator of osteoblast quiescence, suggesting its inhibition can aid in reactivation of dormant osteoblasts. Combining TGF-β-blocking antibodies with anti-sclerostin treatment shows promising therapeutic potential for osteoporosis treatment.
Researchers used MRI to analyze muscle composition in 11,348 participants and found that higher intermuscular fat and lower muscle mass were associated with increased cardiometabolic risk factors. Lean muscle mass was only protective against these risks in men, while women's muscle mass declined after age 40.
A new study reveals the developmental mechanism of bone marrow formation, identifying septoclasts as early organizers followed by LepR-expressing bone marrow stromal cells. These specialized cell populations work together to build the bone marrow environment through a hardwired process supported by RANKL.
A study mapped early molecular and cellular changes in the jaw joint that may trigger temporomandibular joint osteoarthritis. The research found structural and molecular changes in joint tissues, including inflammation, fibrosis, and metabolic shifts. Single-cell sequencing revealed diverse cell populations interacting within the synov...
Researchers uncovered previously unknown features in the limb musculature of the macaroni penguin that help explain its efficient movement on land and underwater. The study found modified key wing muscles and a unique configuration of shoulder muscles giving penguins an 'underwater flying' wing stroke.
A new study reveals a significant link between obstructive sleep apnea and skeletal muscle quality, indicating an increased risk of muscle deterioration with aging. Researchers found that people with obstructive sleep apnea have lower skeletal muscle density and a higher skeletal muscle index than those without the condition.
Research shows that nine weeks of Nordic hamstring exercise training increases eccentric knee flexor strength and allows participants to control the exercise through a greater range of motion. The study found that muscle fibers can stretch to longer lengths during exercise without overstretching, reducing injury risk.
A new clinical trial at the University of Cincinnati is testing a peptide solution to treat prosthetic joint infections after total knee replacement. The trial aims to reduce the need for repeat surgeries and expand the treatment window beyond two weeks.
Research suggests that Kinesio taping (KT tape) may reduce pain intensity in the immediate and short term, but evidence for long-term benefits and its use in various musculoskeletal conditions is inconclusive. The majority of systematic reviews found inconsistent findings, and potential skin irritation remains a concern.
Researchers developed in vitro and in vivo models to track cartilage-to-bone transition, identifying key signaling pathways and transcription factors involved. The study found that some cartilage cells can transition into bone-like cells, challenging the traditional view of bone cell origin.
A new study identifies a previously unknown brainstem pathway controlling hand and arm movements, revealing a multi-stage pathway integrating signals from the cortex, brainstem, and spinal networks. This finding may lead to new therapies for stroke rehabilitation, providing additional targets for neuromodulation treatments.
Researchers at NYU Langone Orthopedics present new study on ACL reconstruction in athletes over 50, finding physiological age determines treatment. They also develop an AI chatbot to answer pre- and postoperative questions, improving patient engagement and education.
New research reveals that skeletal muscle retains a 'molecular memory' of repeated disuse, which differs between young and old muscles. Younger muscles show resilience, while older muscles become increasingly susceptible to atrophy. The study provides insights into how muscle responds to inactivity and its potential for recovery.
A study reveals that two key proteins, TSP1 and TSP2, play a central role in shaping the healing environment after injury, leading to abnormal bone growth. The findings suggest targeting these proteins may reduce harmful bone formation without interfering with healthy development.
Researchers found that hormone treatment reduces abnormal nerve invasion and improves chronic back pain by limiting nerve growth inside damaged spinal tissue. The study suggests that parathyroid hormone can reverse the process by activating natural signals.
Researchers discovered that Apex1 plays a crucial role in initiating and progressing bone healing after injury. The protein is required for activating the master regulatory gene Bmp2, which initiates healing by stimulating periosteal expansion and callus formation.
Researchers identify bone-forming cells as driver of scoliosis caused by NF1. Blocking RAS-MAPK signaling pathway with medications halts progression of spinal deformity in genetically engineered mouse model.
A study highlights the opportunity for orthopedic surgeons to identify patients who have experienced intimate partner violence (IPV), with only 0.3% of referrals compared to 29% from emergency departments. Orthopedic teams can educate and empower patients, providing timely life-saving referrals.
A new study published in JAMA Network Open found that older adults living in economically disadvantaged neighborhoods spend significantly fewer days at home after a hip fracture. The researchers analyzed Medicare data and found that people in the most deprived areas spent about 23 fewer days at home compared to those in less disadvanta...
Researchers discovered subtypes of chondrocytes that transform into bone-building cells, regulating bone growth and vascularization. The study found that these cells secrete Thbs4 to induce blood vessel formation, shedding insights for treating defective angiogenesis.
A new study reveals thousands of NHS knee replacement operations are cancelled annually for avoidable reasons, costing millions and prolonging waiting times. Lack of available beds and medical ineligibility were the most common causes, with many cancellations avoidable with advance planning.
Researchers found that combining L-BAIBA supplementation with voluntary wheel running exercise enhances musculoskeletal properties in middle-aged male mice. The study showed significant improvements in muscle strength, bone density, and reduced bone marrow fat.
Researchers investigated the role of PLAGL1 in postnatal condyle development and found that it regulates osteogenesis through the IGF2 pathway. The study reveals a critical driver of jaw bone formation, offering opportunities for therapeutic exploration and a deeper understanding of craniofacial biology.
Lehigh University researchers used machine learning to compare bone marrow extracted from the hip and shoulder, finding six proteins that distinguish between the two extraction sites. This study may lead to standardized BMAC extraction protocols and personalized treatments based on protein concentrations.
The study found that males have a narrower pelvis, resulting in a more medial starting point for S2AI screws and poorer rod alignment. Researchers aim to tailor treatment to patients' specific anatomy to improve surgical efficiency and outcomes.
Researchers developed a novel biomaterial called elastin domain-derived protein (EDDP) that overcomes natural elastin limitations. EDDP promotes cell adhesion and growth, aiding tissue regeneration in damaged tissues like heart valves, blood vessels, or torn ligaments.
Aging cells disrupt bone renewal and repair processes, leading to weak bones and joint degeneration. Cellular senescence and inflammation are major drivers of skeletal decline, while senolytics and emerging therapies offer promising new paths for treatment.
Mount Sinai will provide orthopedics, sports medicine, emergency medicine, and musculoskeletal radiology services to world's top tennis stars. The institution has partnered with the USTA for 13 years, promoting health and wellness, preventing injuries, and catering to diverse populations.
Researchers developed a genetically modified mouse model to study osteogenesis imperfecta (OI), a rare genetic bone disorder. The study found that the Sp7 R342C mutation affects bone mineral density, trabecular bone volume fraction, and cortical porosity, leading to impaired bone remodeling.
Researchers have developed soft artificial muscles that provide the performance and mechanical properties required for building robotic musculoskeletal systems. The new muscles can be battery-powered, enabling robots to move more naturally and safely in unstructured environments.
A new study introduces a novel muscular clock, MAA, which measures how quickly an individual's muscles are aging compared to their actual age. The research found that about 25% of healthy middle-aged and older adults experience accelerated muscle aging, increasing the risk of sarcopenia.
Researchers develop predictive framework that connects silicone curing conditions with adhesion strength, enabling dramatic improvements in performance for molded and 3D-printed elastomer components. The 'reaction coordinate' metric allows precise tracking of the degree of curing, even under variable thermal conditions.
A survey from the Orlando Health Spine Center found that Americans often opt for short-term relief methods such as rest (44%), over-the-counter pain relievers (42%), and hot/cold therapies (29%) when dealing with neck and back pain. In contrast, only 5% consider surgery as a top option for pain relief.
Research review finds handgrip strength is a reliable predictor of cirrhosis complications and outcomes, including malnutrition, muscle loss, cognitive impairment, hepatic encephalopathy, and mortality. Regular HGS assessments can inform timely personalized interventions to enhance patient quality of life.
New research identifies 'general motor skills' as crucial for world-class performance across various athletic disciplines. World-class experts show fewer inefficiencies in elastic tissue motions compared to regional-level and novice competitors.
The Mount Sinai Hospital has implemented the American Orthopaedic Association’s Own the Bone program to improve patient care for fragility fracture patients. The program offers a fracture liaison service to document and track individualized care, and incorporates 10 prevention measures to improve patient outcomes.