UE Prime Movers Flashcards
Upper Trapezius
O: EOP, Ligamentum Nuchae
I: Lateral 1/3 of clavicle - Acromion Process
A: Elevation, UR
Middle Trapezius
O: SP of C7 - T3
I: Spine of Scapula
A: Retraction
Lower Trapezius
O: SP of T4-T12
I: Root of spine of Scapula
A: Depression, UR
Serratus Anterior
O: Lateral surface of upper 8 ribs
I: Vertebral border of Scapula (anterior surface)
A: Protraction, UR
Rhomboids
O: SP of C7-T5
I: Vertebral border of Scapula between inferior angle & spine of Scapula
A: Retraction, DR
Supraspinatus
O: Supraspinous Fossa
I: Greater Tubercle
A: Abduction, Scaption
Infraspinatus
O: Infraspinous Fossa
I: Greater Tubercle
A: ER, Ext
Teres Minor
O: Upper 2/3 axillary border
I: Greater Tubercle
A: Ext, ER
Subscapularis
O: Subscapular Fossa
I: Lesser Tubercle
A: IR, Adduction
Latissimus Dorsi
O: Thoracolumbar Aponeurosis, SP of T7-L5, Sacrum, Iliac Crest, Lower 3-4 Ribs, Inferior angle of Scapula
I: Bicipital Groove
A: Extension, Adduction, IR
Teres Major
O: Inferior Angle, Lower 1/3 axillary border
I: Medial lip of bicipital groove
A: Extension, IR, Adduction
Anterior Deltoid
O: Lateral third of clavicle
I: Deltoid Tuberosity
A: Flexion, Horizontal Adduction, IR
Middle Deltoid
O: Acromion Process
I: Deltoid Tuberosity
A: Abduction to 90 degrees
Posterior Deltoid
O: Spine of Scapula
I: Deltoid Tuberosity
A: Extension, Horizontal Abduction, ER
Pectoralis Major: Clavicular & Sternal Portions
O: Medial half of clavicle, sternum, costal cartilages of upper 6 ribs
I: Lateral lip of bicipital groove
A: (clavicular) flexion - first 60 degrees (both) Adduction, Horizontal Adduction, IR
Biceps Brachii
O: Short Head - Coracoid Process
- Long Head - Supraglenoid Tubercle
I: Radial Tuberosity
A: Elbow Flexion, Supination, Short Head: Shoulder Flexion
Brachialis
O: lower half anterior humeral shaft
I: Ulnar Tuberosity, Coronoid Process
A: Elbow Flexion
Brachioradialis
O: Lateral Supracondylar ridge of humerus
I: Radial Styloid Process
A: Elbow Flexion with forearm in neutral
Triceps Brachii
O: Long Head - Infraglenoid Tubercle
Lateral Head - Posterior Humerus
Medial Head - Posterior Humerus
I: Olecranon Process
A: Elbow Extension, Long Head - Humeral Extension
Supinator
O: Lateral Epicondyle , Annular Ligament, Radial Collateral Ligament, Proximal Ulna at Supinator Crest
Pronator Teres
O: Medial Epicondyle, Coronoid Process
I: Middle of Lateral Radial Shaft
A: Pronation of Forearm
Pronator Quadratus
O: Distal fourth of anterior ulna
I: Distal fourth of anterior radius
A: Pronates Forearm
