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There are 7 bones forming the fingers in each hand. Based on their location, they are referred to as: Proximal phalanx; Middle phalanx; Distal phalanx; The index to little finger have 3 phalanges each, while only two are in each thumb. Joints and Articulations. Radiocarpal joint: Between the radius and the carpals
When discussing hand joints, we refer to the palmar or volar surface (the palm side), the dorsal surface (the back of the hand), the radial side (toward the thumb), and the ulnar side (toward the little finger). Jump to: Finger Joints. Wrist Joints. Elbow Joints. Shoulder Joints. Finger Joints. Thumb. Interphalangeal Joint (IP)
Mar 31, 2024 · Proximal row : Scaphoid. Lunate. Triquetrum. Pisiform (a sesamoid bone, formed within the tendon of the flexor carpi ulnaris) Distal row : Trapezium. Trapezoid. Capitate. Hamate (has a projection on its palmar surface, known as the ‘hook of hamate’.
Aug 14, 2023 · This article will discuss these joints, detailing their articular surfaces, the ligaments that stabilize them, and the muscles that produce movement at these joints. This will be followed by clinically relevant notes of common pathologic conditions affecting these structures.
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Jun 29, 2021 · The interphalangeal (IP) joints are the finger joints. All of these small joints are known as synovial joints and are covered with articular cartilage. Page Contents. Hand Muscles and Hand Tendons Ligaments Joint Capsule Hand Nerves Problems in the Hand and Wrist.
Joints Formed by the Foot Bones. In the Hindfoot. Ankle joint: Synovial joint between talus, tibia, and fibula; Subtalar joint: Between the talus and calcaneus; In the Midfoot. Talonavicular: Between the talus and navicular bones; Calcaneocuboid: Between the calcaneus and cuboid; Intercunneiform: Among the three cuneiforms
Nov 13, 2023 · Midcarpal joint Opponens digiti minimi muscle of hand Opponens pollicis muscle Palmar interossei muscles Palmaris brevis muscle Phalanges of the hand Pisiform bone Proximal interphalangeal joints of the hand Radiocarpal joint Scaphoid bone Thenar muscles Trapeziometacarpal joint Trapezium bone