30 Questions
Which bones make up the pectoral girdle?
Clavicle and scapula
Which bone in the pectoral girdle is directly attached to the axial skeleton?
Clavicle
What allows the scapula to move freely?
Not attached to the axial skeleton
Which of the following bones is NOT part of the pectoral girdle?
Humerus
What is the function of the pectoral girdle?
To connect the upper limbs to the axial skeleton
Which bone in the pectoral girdle is commonly known as the collarbone?
Clavicle
Which bone in the pectoral girdle is commonly known as the shoulder blade?
Scapula
Which ligament attaches to the costoclavicular ligament?
Coracoclavicular ligament attachment
What is the patient position for palpating the acromion?
Seated
Which muscle attaches to the superior surface of the clavicle?
Trapezius
What landmark should be used to locate the coracoid process?
SP C7
Which muscle attaches to the medial border of the scapula?
Serratus Anterior
What is the patient position for palpating the inferior angle of the scapula?
Prone
Which muscle attaches to the superior angle of the scapula?
Levator Scapulae
Which joint connects the axial skeleton and the upper limb?
Sternoclavicular joint
What type of bone is the clavicle?
Long bone
Which part of the clavicle articulates with the acromion of the scapula?
Lateral 1/3
What ligaments make up the coracoclavicular ligament?
Trapezoid ligament and conoid ligament
Which muscle attaches to the supraspinous fossa of the scapula?
Supraspinatus muscle
What is the bony projection off of the anterior scapula called?
Coracoid process
Where does the humerus articulate with the scapula?
Supraglenoid tubercle
Which bone landmark is located on the lateral border of the scapula?
Infraglenoid Tubercle
What is the patient position for palpating the triceps brachii?
Prone
Which fossa is outlined by moving superiorly from the spine of the scapula and curling fingers deep in the concave area of the bone?
Infraspinous Fossa
What is the patient position for palpating the infraspinatus?
Sidelying
Which bone landmark is used to explore the lateral aspect of the subscapular fossa?
Axilla
What is the patient position for palpating the subscapularis?
Sidelying
Which bone landmark is located on the medial border of the scapula?
Suprascapular Notch
What is the patient position for palpating the supraspinatus?
Supine
Which fossa is outlined by moving inferolateral to the medial border and curling fingers onto the anterior surface of the scapula?
Subscapular Fossa
Study Notes
Pectoral Girdle Bones
- The pectoral girdle consists of the scapulae and clavicles.
Connection to Axial Skeleton
- The clavicle is directly attached to the axial skeleton.
Scapula Mobility
- The scapula is able to move freely due to the presence of the sternoclavicular joint and the acromioclavicular joint.
Pectoral Girdle Function
- The function of the pectoral girdle is to provide a base of attachment for the muscles of the upper limb.
Bone Identification
- The clavicle is commonly known as the collarbone.
- The scapula is commonly known as the shoulder blade.
Ligaments and Attachments
- The costoclavicular ligament attaches to the first rib.
- The coracoclavicular ligament is made up of the trapezoid ligament and the conoid ligament.
- The supraspinatus muscle attaches to the supraspinous fossa of the scapula.
- The levator scapulae muscle attaches to the superior angle of the scapula.
- The rhomboid muscle attaches to the medial border of the scapula.
Landmarks and Palpation
- The coracoid process can be located by following the clavicle laterally.
- The acromion is located on the lateral border of the scapula.
- The inferior angle of the scapula can be palpated with the patient in a standing position.
- The triceps brachii muscle can be palpated with the patient in a relaxed position.
Joints and Articulations
- The humerus articulates with the scapula at the glenohumeral joint.
- The clavicle articulates with the acromion of the scapula at the acromioclavicular joint.
Bone Characteristics
- The clavicle is a long bone.
Test your knowledge of the bones of the pectoral girdle with this quiz! Learn about the articulation and ligament attachments of the sternoclavicular joint and more. Perfect for massage and hydrotherapy students.
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