The Complete Elbow Joint: Understanding Its Three Key Articulations
The complete elbow joint comprises three distinct synovial articulations: the humeroulnar, humeroradial, and proximal radioulnar joints, which collect...
By Alex
Category: Anatomy & Biomechanics
Browsing all articles filed under the "Anatomy & Biomechanics" category.
Knee Unlocking: Mechanism, Anatomy, and Importance
The knee is unlocked from its fully extended, stable position primarily by the popliteus muscle, which initiates internal rotation of the tibia to rev...
By Hart
Push-Up Biomechanics: Shoulder Joint Actions, Muscle Engagement, and Stability
The shoulder's glenohumeral joint performs horizontal adduction and flexion during the push-up's concentric phase and horizontal abduction and extensi...
By Hart
Wrist Joint: Axes of Rotation, Movements, and Significance
The wrist joint, a complex articulation of the forearm and carpal bones, primarily exhibits two functional axes of rotation, both passing approximatel...
By Alex
Head Rotation: The Atlantoaxial Joint, Anatomy, and Biomechanics
Head rotation primarily occurs at the atlantoaxial joint, a specialized pivot joint located between the first (C1) and second (C2) cervical vertebrae.
By Jordan
Closed Pack Position: Definition, Characteristics, and Clinical Importance
A closed pack position is a specific anatomical joint position where articular surfaces are maximally congruent, the joint capsule and ligaments are t...
By Alex
Knee Anatomy: Locating the Knee Centre and Key Landmarks
Locating the "knee centre" involves identifying specific anatomical landmarks or an approximate axis of rotation for anatomical, biomechanic...
By Jordan
Sternoclavicular Joint: Understanding Anterior Rotation and Its Shoulder Impact
Anterior rotation of the sternoclavicular (SC) joint is a specific forward and downward twisting of the clavicle's sternal end, essential for full sho...
By Alex
Palmar Carpal Ligament: Action, Anatomy, and Clinical Significance
The palmar carpal ligament primarily stabilizes the anterior wrist joint and prevents bowstringing of flexor tendons, maintaining efficient mechanical...
By Alex
