MSK Lab #1 Flashcards
Diaphysis
The main portion of long bones, also referred to as the shaft or body
Head
One of the epiphyses. In most bones this is the most proximal portion but some exceptions do exist. E.g. Ulna
Neck
The portion that attaches the head to the diaphysis
Condyle
A rounded bony protrusion for articulation
Epicondyle
A rounded/raised area superior to the condyle
Tubercle
A raised area of bone for muscles attachment
Tuberosity
A roughening on bone for muscle attachment
Ala
A large flattened area resembling a wing
Cornu
A hornlike structure
Sulcus/groove
A groove on bone usually associated with a raised area and often has a tendon, nerve or blood vessel traveling through it.
Foramen
A hole in the bone usually for passage of vessels or nerves
Notch
An indentation in the bone usually to allow structures to pass between areas.
Movements of the shoulder girdle
Scapula movements
Elevation of scapula
Cranial movement
Depression of scapula
Caudal movement
Adduction/Retraction of scapula
Medial borer drawn closer together
Abduction/Protraction of scapula
Medial border drawn away from each other
Upward rotation of scapula
Inferior angle moves laterally and upwards
Downward rotation of scapula
Inferior angle moves medially and downwards
Where does the humerus bone hinge?
Glenohumeral Joint
Extension of the humerus bone
Movement straight posteriorly
Flexion of the humerus bone
Movement straight anteriorly
Abduction of the humerus
Upward lateral movement of humerus out to the side away from the body
Adduction of the humerus
Downward movement of humerus medially toward the body from abduction
Lateral (External) Rotation
Movement of humerus around long axis of the bone away from the midline
Medial (Internal) Rotation
Movement of humerus around long axis of the bone towards from the midline
Superficial Back muscles are innervated by:
Ventral rami
Pectoral region innervation:
Ventral rami
