MSK 4 - Upper limb II Exam with Q and A

MSK 4 - Upper limb II Exam with Q and A What bones does the arm proper comprise of? ANSWER The Humerus What bones does the forearm comprise of? ANSWER Ulna and radius What bones does the hand comprise of? ANSWER - 8 carpal bones in the hand - 14 phalanges in the digits - 5 metacarpals in the palm What does the proximal humerus articulate with? ANSWER - The glenoid fossa and the scapula Radial fossa ANSWER Allows the head of the radius to sit in there, upon flexion of the elbow Coronoid fossa ANSWER Allows the coronoid process to sit in there, upon flexion of the elbow Describe the trochlea and capitulum of the humerus ANSWER Articular cartilage that articulate with the ulna and radius What is the radial tuberosity ANSWER Muscles can attach and pull on it and it helps with supination What is the trochlear notch ? ANSWER Found on the proximal ulna - articulates with the