6 Questions
What is the shape of the clavicle bone?
Curved and S-shaped
At what stage of development does the clavicle begin to ossify?
Around 5-6 weeks after conception
What is the primary function of the clavicle?
To serve as a strut between the scapula and sternum
Which of the following muscles does not attach to the clavicle?
Biceps brachii
What is the purpose of the clavicle in transmitting forces?
To transmit forces from the upper limb to the axial skeleton
How many primary centers of ossification does the clavicle have?
Two
Study Notes
Clavicle Structure
Overview
The clavicle, also known as the collarbone, is a long bone located between the shoulder blade (scapula) and the breastbone (sternum).
Shape and Curvature
- The clavicle is a curved, S-shaped bone that forms the anterior (front) part of the shoulder girdle.
- It has a double curve, with the lateral (outer) end being more curved than the medial (inner) end.
Ossification
- The clavicle is the first bone to ossify (harden) in the fetus, around 5-6 weeks after conception.
- It ossifies from two primary centers, one medial and one lateral, which fuse together during childhood.
Function
- The clavicle serves as a strut between the scapula and sternum, providing a attachment site for muscles and ligaments.
- It helps to transmit forces from the upper limb to the axial skeleton.
Attachments
- The clavicle has several important attachments, including:
- Ligaments: coracoclavicular, costoclavicular, and sternoclavicular
- Muscles: deltoid, pectoralis major, and trapezius
Clavicle Structure
Overview
- The clavicle is a long bone located between the shoulder blade (scapula) and the breastbone (sternum).
- It forms the anterior (front) part of the shoulder girdle.
Shape and Curvature
- The clavicle has a curved, S-shaped structure.
- It has a double curve, with the lateral (outer) end being more curved than the medial (inner) end.
Ossification
- The clavicle is the first bone to ossify (harden) in the fetus, around 5-6 weeks after conception.
- It ossifies from two primary centers, one medial and one lateral, which fuse together during childhood.
Function
- The clavicle serves as a strut between the scapula and sternum.
- It provides a attachment site for muscles and ligaments.
- It helps to transmit forces from the upper limb to the axial skeleton.
Attachments
- The clavicle has several important attachments, including:
- Ligaments: coracoclavicular, costoclavicular, and sternoclavicular.
- Muscles: deltoid, pectoralis major, and trapezius.
Learn about the anatomy and development of the clavicle, also known as the collarbone, including its shape, curvature, and ossification process.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
