Upper Limb pre-practical lecture Flashcards
What are the main sections of the brachial plexus?
Roots Trunks Anterior (division) Posterior (division) Cords Terminal branches
What are the main branches of the brachial plexus?
Axillary nerve (C5, 6)
Long thoracic nerve (C5, 6, 7)
Thoracodorsal (C6, 7, 8)
Subscapular (C5, 6)
What are the nerve roots of the axillary nerve?
C5, 6
What are the nerve roots of the Long thoracic nerve?
C5, 6, 7
What are the nerve roots of the Thoracodorsal nerve?
C6, 7, 8
What are the nerve roots of the subscapular nerve?
C5, 6
What are the main causes of brachial plexus injuries?
Pulling arm superiorly
Pulling arm during childbirth
Falling on head/neck
What are the joints of the pectoral girdle?
Acromioclavicular (AC) joint
Sternoclavicular (SC)
Glenohumoural (GH)
What type of joint is the Acromioclavicular (AC) joint?
Synovial plane
What type of joint is the Sternoclavicular (SC) joint?
Synovial saddle
What type of joint is the Glenohumoural (GH) joint?
Synovial ball and socket
What are the movements of the scapula?
Elevation Depression Adduction (retraction) Abduction (protraction) Upward rotation Downward rotation
What are the muscles of the pectoral girdle?
Trapezius
Latissimus dorsi
Serratus anterior
What muscles elevate the scapula?
Descending (superior) trapezius
Levator scapulae
Rhomboids
What muscles depress the scapula?
Ascending (inferior) trapezius
Inferior serratus anterior
Pec major