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Questions and Answers
What is the function of the roughened surface on the inferior aspect of the clavicle?
What is the function of the roughened surface on the inferior aspect of the clavicle?
- Increase flexibility
- Improve blood circulation
- Enhance sensory perception
- Facilitate muscle attachment (correct)
How many surfaces does the clavicle have?
How many surfaces does the clavicle have?
- Four
- One
- Three
- Two (correct)
Which bone is described as a large, flat triangular bone?
Which bone is described as a large, flat triangular bone?
- Clavicle
- Scapula (correct)
- Tibia
- Femur
What are the two ends of the clavicle called?
What are the two ends of the clavicle called?
What toolkit was used to modify the document with annotations and notes?
What toolkit was used to modify the document with annotations and notes?
Which body parts are connected to the clavicle through muscle attachments?
Which body parts are connected to the clavicle through muscle attachments?
Which region is NOT included in the shoulder (pectoral) area?
Which region is NOT included in the shoulder (pectoral) area?
What bones form the pectoral (shoulder) girdle?
What bones form the pectoral (shoulder) girdle?
What does the term 'manus' refer to in the upper limbs?
What does the term 'manus' refer to in the upper limbs?
Which bone is NOT part of the forearm (antebrachium)?
Which bone is NOT part of the forearm (antebrachium)?
Which bone is centered around the arm (brachium)?
Which bone is centered around the arm (brachium)?
What forms a bony ring that completes the pectoral (shoulder) girdle anteriorly?
What forms a bony ring that completes the pectoral (shoulder) girdle anteriorly?
What are the three processes of the triangular bone mentioned in the text?
What are the three processes of the triangular bone mentioned in the text?
Which fossa is subdivided by the spine of the scapula on its posterior surface?
Which fossa is subdivided by the spine of the scapula on its posterior surface?
How many angles does the triangular bone have according to the text?
How many angles does the triangular bone have according to the text?
Which bone arches over the glenohumeral joint according to the text?
Which bone arches over the glenohumeral joint according to the text?
Which projection of the spine of the scapula articulates with the clavicle?
Which projection of the spine of the scapula articulates with the clavicle?
How many surfaces does the triangular bone have as described in the text?
How many surfaces does the triangular bone have as described in the text?
What structure marks the lateral end of the region between the lateral angle of the scapula and the attachment of the spine to the posterior surface of the scapula?
What structure marks the lateral end of the region between the lateral angle of the scapula and the attachment of the spine to the posterior surface of the scapula?
Which structure lies immediately medial to the root of the coracoid process?
Which structure lies immediately medial to the root of the coracoid process?
What is the name of the region between the lateral angle of the scapula and the attachment of the spine to the posterior surface of the scapula?
What is the name of the region between the lateral angle of the scapula and the attachment of the spine to the posterior surface of the scapula?
In which direction does the coracoid process project?
In which direction does the coracoid process project?
Which structure is positioned directly inferior to the lateral part of the clavicle?
Which structure is positioned directly inferior to the lateral part of the clavicle?
Who is the author of this modified document related to anatomy?
Who is the author of this modified document related to anatomy?
What structure is located superior to the glenoid cavity and serves as the attachment site for the long head of the biceps brachii muscle?
What structure is located superior to the glenoid cavity and serves as the attachment site for the long head of the biceps brachii muscle?
The lateral angle of the scapula is marked by which of the following?
The lateral angle of the scapula is marked by which of the following?
What anatomical feature is inferior to the glenoid cavity and serves as the attachment site for the long head of the triceps brachii muscle?
What anatomical feature is inferior to the glenoid cavity and serves as the attachment site for the long head of the triceps brachii muscle?
Which part of the scapula is characterized by a shallow concave subscapular fossa?
Which part of the scapula is characterized by a shallow concave subscapular fossa?
Where is the site of attachment for the long head of the biceps brachii muscle located?
Where is the site of attachment for the long head of the biceps brachii muscle located?
What is situated inferior to the glenoid cavity and serves as the attachment site for the long head of the triceps brachii muscle?
What is situated inferior to the glenoid cavity and serves as the attachment site for the long head of the triceps brachii muscle?
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Study Notes
Clavicle
- Has two ends
- Has two surfaces: inferior surface and margins, which are roughened by the attachment of muscles that connect the clavicle to the thorax, neck, and upper limb
Scapula
- A large, flat triangular bone
- Has three angles: lateral, superior, and inferior
- Has three borders: superior, lateral, and medial
- Has two surfaces: costal and posterior
- Has three processes: acromion, spine, and coracoid process
- The posterior surface of the scapula is subdivided by the spine into a small, superior supraspinous fossa and a much larger, inferior infraspinous fossa
- The acromion is an anterolateral projection of the spine that arches over the glenohumeral joint and articulates with the clavicle
- The region between the lateral angle of the scapula and the attachment of the spine to the posterior surface of the scapula is the spinoglenoid notch (Greater scapular notch)
Surface Anatomy of the Scapula
- The lateral end of the scapula is marked by the coracoid process, a hook-like structure that projects anterolaterally
- The suprascapular notch lies immediately medial to the root of the coracoid process
- The posterior surface of the scapula is characterized by a shallow concave subscapular fossa
Glenoid Cavity and Surrounding Features
- The glenoid cavity is located at the lateral angle of the scapula
- The supraglenoid tubercle is located superior to the glenoid cavity and is the site of attachment for the long head of the biceps brachii muscle
- The infraglenoid tubercle is a large triangular-shaped roughening inferior to the glenoid cavity and is the site of attachment for the long head of the triceps brachii muscle
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