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Questions and Answers
Which bone is described as the stabilizing bone of the forearm?
Which bone is described as the stabilizing bone of the forearm?
- Ulna (correct)
- Humerus
- Radius
- Femur
Which bone is shorter and lateral of the two forearm bones?
Which bone is shorter and lateral of the two forearm bones?
- Humerus
- Ulna
- Femur
- Radius (correct)
Which process projects proximally from the posterior aspect and forms the prominence of the elbow?
Which process projects proximally from the posterior aspect and forms the prominence of the elbow?
- Olecranon Process (correct)
- Tuberosity of Ulna
- Trochlear Notch
- Coronoid Process
Which bone articulates with the trochlea of the humerus at its trochlear notch?
Which bone articulates with the trochlea of the humerus at its trochlear notch?
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Which bone has a lateral convexity in its shaft?
Which bone has a lateral convexity in its shaft?
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Study Notes
Forearm Bone Anatomy
- The ulna is described as the stabilizing bone of the forearm, providing support and stability during movement.
- The radius is the shorter and lateral of the two forearm bones, located on the thumb side.
Elbow Anatomy
- The olecranon process projects proximally from the posterior aspect of the ulna, forming the prominent bony structure of the elbow.
Bone Articulations
- The ulna articulates with the trochlea of the humerus at its trochlear notch, enabling flexion and extension of the elbow joint.
Bone Characteristics
- The radius features a lateral convexity in its shaft, distinguishing its shape and contributing to its function in forearm rotation.
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