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Questions and Answers
Which bone is not articulated with the skeleton?
Which bone is not articulated with the skeleton?
- Coracoid Process
- Shoulder
- Scapula
- Clavicle (correct)
What is the most prominent feature of the lateral surface of the scapula?
What is the most prominent feature of the lateral surface of the scapula?
- Subscapular fossa
- Supraspinous fossa
- Spine (correct)
- Infraspinous fossa
Which surface of the scapula is located on the cranial side?
Which surface of the scapula is located on the cranial side?
- Lateral Surface
- Medial or costal surface
- Infraspinous fossa
- Supraspinous fossa (correct)
Which muscle arises from the coracoid process?
Which muscle arises from the coracoid process?
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Which border of the scapula bears the infraglenoid tubercle?
Which border of the scapula bears the infraglenoid tubercle?
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Study Notes
Key Bone Information
- The hyoid bone is not articulated with the skeleton, meaning it does not form a joint with any other bones.
Scapula Features
- The most prominent feature of the lateral surface of the scapula is the glenoid cavity, which is where the humerus articulates to form the shoulder joint.
Scapular Surface Orientation
- The cranial side of the scapula is characterized by the subscapular fossa, which is the surface that faces the rib cage.
Muscle Origins
- The coracoid process serves as the origin for the biceps brachii muscle, which plays a crucial role in elbow flexion and forearm supination.
Scapular Borders
- The infraglenoid tubercle is located on the lateral border of the scapula, providing attachment for the long head of the triceps brachii muscle.
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