Lab Exam 1 Flashcards
Rotator Cuff Muscles
Supraspinatus, Infreaspinatus, Teres Minor, Subscapularis
Muscles on the Shoulder Girdle and Scapula?
Sternocleidomastoid, Trapezius, Levator Scapulae, Rhomboid Minor, Rhomboid Major, Pectoralis Minor, Serratus Anterior
Shoulder Muscles?
Latissimus Dorsi, Teres Major, Pectoralis Major, Deltoid, Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
Sternocleidomastoid Origin?
Clavicle and Manubrium
Sternocleidomastoid Insertion?
Mastoid process of temporal bone
Sternocleidomastoid Action?
(Laterally) flexes & rotates head to opposite side
Upper Trapezius Action?
Extends head or elevated shoulder girdle
Middle Trapezius Action?
Retracts & stabilizes scapula
Lower Trapezius Action?
Depresses scapula & shoulder girdle
Trapezius Origin?
Occipital Protuberance/ C7-T12 Spinous Processes
Trapezius Insertion?
Clavicle/Acromion process & spine of scapula
Levator Scapulae Origin?
C1-C4 Transverse Processes
Levator Scapulae Insertion?
Superior angle of scapula
Levator Scapulae Action?
Elevates Scapula
Rhomboid Minor Origin?
C7-T1 Spinous Processes
Rhomboid Major Origin?
T2-T5 Spinous processes
Rhomboid Major/Minor Insertion?
Medial border of scapula
Rhomboid Major/Minor Action?
Scapular Retraction