Podcast
Questions and Answers
The type of joint between the clavicle (sternal end) and sternum (clavicular notch) is:
The type of joint between the clavicle (sternal end) and sternum (clavicular notch) is:
The ligament that transmits upper limb weight to the clavicle and axial skeleton is:
The ligament that transmits upper limb weight to the clavicle and axial skeleton is:
Which muscle is responsible for the protraction of the scapula?
Which muscle is responsible for the protraction of the scapula?
The movement characterized by the elevation of the arm above 90° is called:
The movement characterized by the elevation of the arm above 90° is called:
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Which ligament is attached to the margin of the articular surfaces of the acromioclavicular joint?
Which ligament is attached to the margin of the articular surfaces of the acromioclavicular joint?
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The type of movement associated with the trapezius (lower fibers) and pectoralis minor muscles is:
The type of movement associated with the trapezius (lower fibers) and pectoralis minor muscles is:
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In which type of joint does a cartilaginous articular disc exist?
In which type of joint does a cartilaginous articular disc exist?
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Study Notes
Anatomy of the Shoulder Girdle
- The joint between the clavicle (sternal end) and sternum (clavicular notch) is a saddle joint.
Ligaments and Muscles
- The costoclavicular ligament transmits upper limb weight to the clavicle and axial skeleton.
- The serratus anterior muscle is responsible for the protraction of the scapula.
Shoulder Movements
- The movement characterized by the elevation of the arm above 90° is called abduction.
Acromioclavicular Joint
- The acromioclavicular ligament is attached to the margin of the articular surfaces of the acromioclavicular joint.
Muscle Functions
- The trapezius (lower fibers) and pectoralis minor muscles are associated with elevation and upward rotation of the scapula.
Joint Characteristics
- A synovial joint with a cartilaginous articular disc exists in plane synovial joints.
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Description
Test your knowledge of the types, variety, and structures of the shoulder girdle joints, including synovial and saddle types, articular surfaces, capsules, and ligaments.
