Forearm Pronation: Anatomy, Mechanics, and Functional Significance
During forearm pronation, the radius crosses over the ulna, rotating around it both proximally and distally, effectively turning the palm downward or ...
By Alex
Category: Anatomy & Physiology
Browsing all articles filed under the "Anatomy & Physiology" category.
Knee Creases: Anatomy, Types, and Factors Influencing Their Appearance
Knee creases are natural lines on the skin around the knee joint, formed by skin, fat, muscle, tendon, and bone interaction, with their appearance inf...
By Alex
Cranial Sutures: Definition, Types, and Functional Significance
The joints between the skull bones surrounding the brain are primarily known as sutures, which are immovable fibrous joints that provide crucial struc...
By Alex
Deltoid Muscle: Location, Anatomy, and Palpation Guide
The deltoid muscle, forming the rounded shoulder cap, can be accurately located by understanding its three heads, identifying key bony landmarks, and ...
By Alex
Triceps and Biceps: Understanding the Antagonistic Muscle Pair
The primary opposite muscle, or antagonist, to the triceps brachii is the biceps brachii, which works in opposition across the elbow joint to facilita...
By Hart
Cartilage: Its Role in Cartilaginous and Synovial Joints
Cartilage is the defining tissue of cartilaginous joints (synchondroses and symphyses) and a vital component as articular cartilage within highly mobi...
By Hart
Elbow and Hip Joints: Functional and Structural Classification Explained
The elbow is a synovial hinge joint (uniaxial diarthrosis) for flexion/extension, while the hip is a synovial ball-and-socket joint (multiaxial diarth...
By Hart
Movable Joints: Connections, Supporting Structures, and Stability
Movable joints, or synovial joints, are primarily connected and stabilized by ligaments, with crucial support from the joint capsule, articular cartil...
By Alex
The Ulna: Joint Types, Articulations, and Functional Significance
The ulna primarily forms a hinge joint at the elbow and two pivot joints with the radius, enabling essential movements like elbow flexion/extension an...
By Alex
