Muscles of Upper Limbs pt.2 Flashcards
Biceps Brachii Origin
Long Head - Supraglenoid Tubercle
Short Head - Coracoid Process
Biceps Brachii Insertion
Radial Tuberosity and Ulnar Aponeurosis
Biceps Brachii Innervation
Musculocutaneous Nerve
Biceps Brachii Actions
Flexion at shoulder and elbow, Supination at RU joint
Triceps Brachii Origin
Long Head - Infraglenoid Tubercle
Lateral Head - Posterior shaft of Proximal Humerus
Medial Head - Posterior shaft of distal humerus
Triceps Brachii Insertion
Olecranon Process
Triceps Brachii Innervation
Radial Nerve
Triceps Brachii Actions
Extends elbow and GH Joint
Long Head - Extends Shoulder
Brachialis Origin
Anterior shaft of distal humerus
Brachialis Insertion
Ulnar tuberosity and coronoid process
Brachialis Innervation
Musculocutaneous Nerve
Brachialis Actions
Flexes at elbow
Brachioradialis Origin
Lateral supracondylar ridge
Brachioradialis Insertion
Styloid processof the radius
Brachioradialis Innervation
Radial Nerve
Brachioradialis Actions
Flexes at elbow, Pronates/Supinates to Neutral
Anconeus Origin
Lateral epicondyle of Humerus
Anconeus Insertion
Posterior and Proximal Ulna
Anconeus Innervation
Radial Nerve
Anconeus Actions
Extends the elbow
Locks it Out
Pronator Teres Origin
(Anterior - Superficial)
Medial epicondyle of humerus and Coronoid Process of the Ulna
Pronator Teres Insertion
(Anterior - Superficial)
Lateral Radius
Pronator Teres Innervation
(Anterior - Superficial)
Median Nerve
Pronator Teres Actions
(Anterior - Superficial)
Pronates Forearm and Flexes Elbow
Pronator Quadratus Origin
(Anterior - Deep)
Distal Anterior Ulna
Pronator Quadratus Insertion
(Anterior - Deep)
Distal Anterior Radius
Pronator Quadratus Innervation
(Anterior - Deep)
Median Nerve
Pronator Quadratus Actions
(Anterior - Deep)
Pronates Forearm (Prime Mover)
Supinator Origin
(Extensor - Deep)
Lateral Epicondyle of Humerus and Proximal Ulna
Supinator Insertion
(Extensor - Deep)
Proximal Radius
Posterior, lateral, anterior sides
Supinator Innervation
(Extensor - Deep)
Radial Nerve
Supinator Actions
(Extensor - Deep)
Supinates the Forearm
Palmaris Longus Origin
(Flexor Group - Superficial)
Medial Epicondyle
Palmaris Longus Insertion
(Flexor Group - Superficial)
Palmar Aponeurosis of Flexor Retinaculum
Palmaris Longus Innervation
(Flexor Group - Superficial)
Medial Nerve
Palmaris Longus Actions
(Flexor Group - Superficial)
Flexes Hand at wrist and Elbow