Frontal Impacts Cause Greater Brain Deformation in Human Head Specimen Tests
High-speed X-ray cinematography of post-mortem human heads revealed that frontal impacts consistently produce larger peak intracranial displacements and strains than ...
Tag: Biomechanics
Anatomists Identify Unrecognized Fibrous Band Connecting Tendon to Foot Aponeurosis
Anatomical dissections of donor lower limbs identified a previously unrecognized fibrous band linking the fibularis longus tendon to the plantar ...
Biomechanical Criteria Identified for Diagnosing Stiff-Knee Gait in Stroke Survivors
Researchers have identified two primary kinematic criteria—peak swing flexion under 40 degrees and swing range under 12 degrees—to reliably classify ...
Muscle Stiffness Tracked in Motion as Mechanomyography Signals Lag Behind the Knee
Researchers report that the timing gap between muscle deformation signals and knee joint motion during passive pedaling shrinks after static ...
Kinematic knee replacement fails to outperform mechanical alignment in cadaver study
A dynamic knee rig study of seven cadaveric varus knees found that kinematic alignment did not restore native knee kinematics ...
Computational Model Reveals How Vascular and Tissue Stiffness Regulate Coronary Blood Flow
Researchers have developed a multi-physics computational framework showing that vascular smooth muscle cell stiffness and passive myocardial tissue stiffness are ...
Finite Element Study Evaluates Crossed Wire Fixation Angles for Supracondylar Fractures
A finite element analysis revealed that optimal crossed Kirschner wire insertion angles for supracondylar humerus fractures vary by fracture level, ...
Scientists map how mechanical strain, fibroblast failure and matrix collapse drive pelvic organ prolapse
A new narrative review proposes that pelvic organ prolapse develops along a mechanics–cell–matrix axis in which chronic loading, fibroblast state ...
Fossil crocodyliform tooth reveals how enamel shifts stress away from dentin in computer models
A Maastrichtian crocodyliform tooth from China shows in finite element models that adding a stiff enamel layer redistributes high-stress regions ...
Stiff Tumors Talk to Immune Cells: How Mechanical Forces Shape Cancer and Immunity
A new Frontiers editorial argues that mechanical forces in tumors regulate invasion, immune surveillance, and treatment response, and that the ...
Biomechanical Tests for Pelvic Fixation Lack Consensus, Review Finds
A systematic review of 64 studies finds biomechanical test designs for traumatic pubic symphysis diastasis fixation vary so widely in ...
Fibrinogen and White Blood Cell Subtypes Shape Blood Clot Mechanics Beyond Hematocrit and Sex
A controlled study of clots built from healthy young adults' blood finds that fibrinogen explains up to 78 percent of ...
One-motion and two-motion free throws rely on distinct biomechanical and neuromuscular strategies in male basketball enthusiasts
A motion capture and EMG study of twenty male basketball enthusiasts found that one-motion and two-motion free throws differ in ...
No Standard Marker Model Exists for 3D Finger Motion, Review Finds
A systematic review of 38 studies finds no standardized marker model for 3D finger movement and only one clinically tested ...
Round and tape sutures hold equally well inside shoulder anchors, cadaver study finds
A cadaveric biomechanical study found that flat tape and round wire sutures performed comparably inside interference-fit shoulder anchors, with no ...
Simple Physics Trick Could Let Wearable Sensors Map Every Joint in Your Body
A simulation study shows that an analytical instantaneous-center-of-rotation calculation can identify fixed and moving joint centers in OpenSim models from ...
Scientists Track the Ciliary Muscle’s Hidden Strain During Accommodation
A validated OCT-based digital image correlation method quantifies in vivo ciliary muscle strain during accommodation, revealing graded mechanical attenuation in ...
Caribbean Anole Lizards Glide Without Wings, Wind Tunnel Study Finds
All five tested Anolis species adopted a skydiving posture and executed controlled aerial descents in a vertical wind tunnel, with ...
Parachute Sprint Training Shows Promise but Evidence Stays Weak, Review Finds
A systematic review of 17 studies finds that parachute-resisted sprint training consistently slows sprinters acutely and may improve selected sprint ...
Insole Device That Corrects Ankle Alignment at Heel Contact Passes Feasibility Test in Knee Osteoarthritis Patients
A small feasibility study found that a motorized insole correcting ankle alignment at heel contact was used safely by six ...
