Bones And Muscles Of The Pectoral Girdle And Arm Flashcards
Bones of the pectoral girdle
Clavicle, scapula
Movements of the scapula
Elevation, depression, retraction, protraction,upward rotation, downward rotation
Muscles that move the scapula
trapizius, rhomboids, levator scapula, pectoralis minor, serratus anterior
What does the trapizius do to the scapula
Elevates and retracts scapula
What do the rhomboids do to the scapula
Elevate and retract
What does the levator scapulae do to the scapula
Elevates it
What does the pecoralis minor do to the scapula
Protracts and depresses scapula
What does the serratus anterior do to the scapula
Protracts and depresses scapula
Muscles that move the arm at the glenohumeral joint
Pectoralis major, latissimus Dorsi
Flexes and adducts the arm at the glenhumeral joint
Pectoralis major
Extends and adducts the arm
Latissimus dorsi
Muscles originating on the scapula
Deltoid, corcacobrachialis
What does the deltoid do
Abducts, flexes and extends arm
What does the coracobrachialis do
Flexes and adducts arm
Rotator cuff muscles
Subscapularis, supraspinatus, infraspinatus, teres minor
Medically rotates arm
Subscaularis
Medically rotates arm
Subscaularis
Abducts arm
Suprapinatus
Laterally rotates arm
Infraspinatus
Laterally rotates arm
Teres minor
Arm muscles that move the arm at the elbow joint
Anterior arm muscles, posterior arm muscles
Anterior arm muscles are what
Flexors of the forearm of the elbow
Anterior arm muscles
Biceps brachii, brachialis, brachioradials
Posterior arm muscles are what
Extensors of the forearm at the elbow joint
Biceps brachii do what
Supinates arm
Brachialis
Flexes the elbow
Brachioradials
Flex the arm at the elbow
What do the triceps brachii do
Extend the arm at the elbow joint
What does the aconeus do
Extends the forearm at the elbow