Superior Limb Myology (OIA seperate) Flashcards
What is the origin of the Supraspinatus Muscle
Supraspinous Fossa of the Scapula
What is the insertion of the Supraspinatus Muscle
Greater Tubercle of the Humerus
What is the Action of the Supraspinatus Muscle
Abduct superior limb at the shoulder joint
What is the Origin of the Infraspinatus Muscle
Infraspinous Fossa of the Scapula
What is the Insertion of the Infraspinatus Muscle
Greater tubercle of the Humerus
What are the 2 actions of the Infraspinatus Muscle
Extend the shoulder joint
Rotate brachium laterally
What is the Origin of the Teres Minor Muscle
Lateral border of the scapula
What is the Insertion of the Teres Minor Muscle
Greater tubercle of the Humerus
What are the 2 actions of the Teres Minor Muscle
Adduct Superior limb at the shoulder joint
Rotate brachium laterally
What is the Origin of the Teres Major Muscle
Inferior angle of the scapula
What is the Insertion of the Teres Major Muscle
medial border of the intertubercular groove of the humerous
What are the 3 actions of the Teres Major Muscle
Extend the shoulder joint,
adduct superior limb at the shoulder joint
rotate brachium medially
What is the origin of the Subscapularis Muscle
Subscapular fossa
What is the Insertion of the Subscapularis Muscle
Lesser Tubercle of the Humerus
What is the action of the Subscapularis Muscle
Rotate brachium medially
What are the 3 Origins of the Deltoideus Muscle
Acromial Extremity of clavicle
Acromion of scapula
Spine of scapula
What is the insertion of the Deltoideus Muscle
Deltoid tuberosity of humerus
What are the 5 actions of the Deltoideus Muscle
Flex the shoulder joint Extend the shoulder joint Rotate brachium medially Rotate brachium laterally Abduct superior limb at the shoulder joint
What is the Origin of the Coracobrachialis Muscle
Coracoid process of scapula
What is the Insertion of the Coracobrachialis Muscle
Medial aspect of the body of the humerus
What is the 2 actions of the Coracobrachialis Muscle
Flex the shoulder joint
Adduct the superior limb at the shoulder joint
What is the Origin of the long head of the Biceps brachii Muscle
Neck of the scapula
What is the insertion of the Long head of the the Biceps Brachii Muscle
Radial Tuberosity
What is the 3 actions of the Biceps Brachii Muscle
Flex elbow Joint
Flex the shoulder Joint
Supinate the antebrachium
What is the Origin of the short head of the Biceps Brachii Muscle
Coracoid process of the scapula
What is the Insertion of the short head of the biceps Brachii Muscle
Radial Tuberosity
What are the 3 actions of the short head of the Biceps Brachii Muscle
Flex elbow Joint
Flex the shoulder Joint
Supinate the antebrachium
What is the Origin of the Bicipital Aponeurosis
Diverges medially from the main tendon of the biceps brachii muscle
What is the insertion of the Bicipital Aponeurosis
Blends into the deep antebrachial fascia
What is the Origin of the Brachialis Muscle
Anterior aspect of the body of the humerus
What is the Insertion of the Brachialis Muscle
Coronoid process of ulna
What is the actions of the Brachialis Muscle
Flex the elbow joint
What is the Origin of the Brachioradialis Muscle
Lateral supracondylar crest of humerus
What is the insertion of the Brachioradialis Muscle
Base of the styloid process of the radius
What are the 3 actions of the Brachioradialis Muscle
Flex the elbow joint
Supinate the antebrachium
Pronate the antebrachium
What is the Origin of the Long head of the Triceps Brachii Muscle
Lateral border of the scapula
What is the insertion of the Long head of the Triceps Brachii Muscle
Olecranon of the Ulna
What are the 3 actions of the Long head of the Triceps Brachii Muscle
Extend the Elbow Joint
Extend shoulder joint
Adduct the superior limb at the shoulder joint
What is the Origin of the Medial Head of the Triceps Brachii Muscle
Medial and posterior aspects of the humerus
What is the Insertion of the Medial Head of the Triceps Brachii Muscle
Olecranon of the Ulna
What is the action of the Medial head of the Triceps Brachii Muscle
Extend the Elbow Joint