Muscle Cards 1 st Group

Trapezius – 3 Part Muscle, pg. 94 Upper Trapezius Origin Base of Skull Occipital Protuberance Posterior Ligaments of neck Insertion Lateral 3 rd of the Clavicle Action Elevates, Upward Rotation Extension of the Head Rotation of the Head

Trapezius – 3 Part Muscle Mid Trapezius Origin Spinous Process of the 7 th Cervical and Upper 3 Thoracic Vertebrae Insertion Medial Border of Acromion Process Superior Border of Scapular Spine Action Elevates Scapula Adduction of the Scapula Upward Rotation of the Scapula

Trapezius – 3 Part Muscle Lower Trapezius Origin Spinous Process of the 4 th to the 12 th Thoracic Vertebrae Insertion Triangular space at the base of the scapular spine Action Adduction of the Scapula Depression of the Scapula Upward Rotation of the Scapula

Latissimus Dorsi pg. 117 Origin Posterior Crest of Ilium Sacrum Spinous Processes of Lumbar and Lower 6 Thoracic Vertebrae Lower 3 Ribs Insertion Medial Aspect of Intertubercular Groove of the Humerus Action Extension of Humerus Adduction of Humerus Internal Rotation of Humerus Horizontal Abduction

Teres Major pg. 117 Origin Inferior 1/3 of Lateral Border of Scapula Insertion Medial Lip of Intertubercular Groove of the Humerus Action Extension of Humerus Adduction of Humerus Internal Rotation of Humerus

Levator Scapulae pg. 94 Origin Transverse Process of the Upper 4 Cervical Vertebrae Insertion Medial Border of the Scapula from the Superior Angle to the Scapular Spine Action Elevation of the Scapula

Rhomboids pg. 94 Origin Spinous Processes of the 7 th Cervical and First 5 Thoracic Vertebrae Insertion Medial Border of the Scapula, Inferior to the Scapular Spine Action Adduction of the Scapula Downward Rotation of the Scapula Elevation of the Scapula

Deltoid – 3 Part Muscle pg. 117 Anterior Deltoid Origin Anterior Lateral 1/3 of Clavicle Insertion Deltoid Tuberosity on Lateral Humerus Action Abduction of the Humerus Flexion of the Humerus Horizontal Adduction of the Humerus Internal Rotation of the Humerus Diagonal Adduction of the Humerus

Deltoid – 3 Part Muscle Middle Deltoid Origin Lateral Aspect of the Acromion Insertion Deltoid Tuberosity on Lateral Humerus Action Abduction of the Humerus Horizontal Abduction of the Humerus

Deltoid – 3 Part Muscle Posterior Deltoid Origin Inferior Aspect of Spine of Scapula Insertion Deltoid Tuberosity on Lateral Humerus Action Abduction of the Humerus Horizontal Abduction of the Humerus External Rotation of the Humerus Diagonal Abduction of the Humerus

Serratus Anterior pg. 94 Origin Lateral aspect of the upper 9 ribs Insertion Medial border of the scapula (The whole length of the anterior aspect) Action Abduction of the Scapula Upward rotation of the scapula

Pectoralis Major pg. 116 Origin of Upper Fibers Medial half of the anterior clavicle Insertion of Upper Fibers Intertubercular groove of humerus Action of Upper Fibers Internal rotation of the humerus Horizontal Adduction of the humerus Diagonal adduction of the humerus Flexion of the humerus Abduction of humerus above 90 degrees of abduction

Pectoralis Major pg 123 Origin of Lower Fibers Anterior surface of the costal cartilage of the first 6 ribs and adjoining sternum Insertion of Lower Fibers Intertubercular groove of humerus Action of Lower Fibers Internal rotation of the humerus Horizontal Adduction of the humerus Diagonal adduction of the humerus Extension of the humerus from a flexed position Abduction of humerus above 90 degrees of abduction

Pectoralis Minor pg. 94 Origin Anterior surface of the 3 rd to 5 th ribs Insertion Coracoid process of the scapula Action Abduction of the Scapula Downward rotation of the scapula Depression of the scapula

SCM (sternocleidomastoid) pg. 341 Origin Manubrium of the sternum, anterior superior surface of medial clavicle Insertion Mastoid process Action Extension of the head Flexion of the cervical spine Each side: rotation to the contralateral side Each side: Lateral flexion of the ipsilateral side

Coracobrachialis pg. 116 Origin Coracoid process of the scapula Insertion Middle of the medial border of the humerus Action Horizontal adduction Diagonal adduction

Supraspinatus pg. 117 Origin Supraspinous fossa Insertion Superiorly on the greater tubercle of the humerus Action Abduction of the humerus

Infraspinatus pg. 117 Origin Infraspinous fossa Insertion Posteriorly on the greater tubercle of the humerus Action External Rotation of the humerus Horizontal Abduction of the humerus Extension of the humerus Diagonal abduction of the humerus

Teres Minor pg. 117 Origin Posteriorly on upper and middle aspect of lateral border of scapula Insertion Posteriorly on greater tubercle of humerus Action External Rotation of the humerus Horizontal abduction of the humerus Extension of the humerus Diagonal abduction of the humerus

Subscapularis pg. 116 Origin Subscapular fossa Insertion Lesser tubercle of the humerus Action Internal rotation of the humerus Adduction of the humerus Extension of the humerus

Biceps Brachii (Long head and short Head), pg. 150 Origin Supraglenoid tubercle (Long Head) Coracoid process and upper lip of the glenoid fossa (Short Head) Insertion Tuberosity of the radius and bicipital aponeurosis Action Supination of the forearm Elbow flexion (supination) Shoulder flexion (weak) Shoulder abduction (weak)

Brachialis, pg. 150 Origin Distal half of the anterior humerus Insertion Coronoid process of the ulna Action Elbow flexion (pronation)

Brachioradialis, pg. 150 Origin Distal 2/3 of the lateral condyloid ridge (supracondylar) of the humerus Insertion Lateral surface of the styloid process of the radius Action Flexion of the elbow (Neutral wrist) Pronation from supination to neutral Supination from pronation to neutral Rt arm, looking at the lateral side with wrist in neutral

Triceps brachii – 3 Part Muscle, pg. 151 Long Head origin Infraglenoid tubercle Insertion Olecranon Process Action Extension of the elbow joint Extension of the shoulder joint Adduction of the shoulder joint Horizontal abduction of the shoulder joint Rt arm, posterior to anterior, anatomical position

Triceps brachii – 3 Part Muscle, pg. 151 Lateral head origin Proximal half of the posterior surface of the humerus Insertion Olecranon process Action Extension of the elbow joint Rt arm, posterior to anterior, anatomical position

Triceps brachii – 3 Part Muscle, pg. 151 Medial head origin Distal 2/3 of the posterior surface of the humerus Insertion Olecranon process Action Extension of the elbow joint Rt arm, posterior to anterior, anatomical position

Anconeus, pg. 151 Origin Posterior surface of the lateral condyle of the humerus Insertion Posterior surface of the lateral olecranon process and the proximal ¼ of the ulna Action Extension of the elbow Rt arm, posterior to anterior, anatomical position