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Skip to: Top | Bones and Bony Landmarks | Muscles
Origin | Distal Half Of Anterior Surface Of Humerus |
Insertion | Tuberosity And Coronoid Process Of Ulna |
Actions | Flex The Elbow |
Origin | Lateral Supracondylar Ridge Of Humerus |
Insertion | Styloid Process Of Radius |
Actions | Flex The Elbow, Assist In Pronation And Supination Of The Forearm When Movements Are Resisted |
Origin | Lateral Supracondylar Ridge Of Humerus |
Insertion | Longus: Base Of Second Metacarpal Brevis: Base Of Third Metacarpal |
Actions | Extend, Abduct The Wrist, Assist In Elbow Flexion |
Origin | Common Extensor Tendon From Lateral Epicondyle Of Humerus |
Insertion | Middle And Distal Phalanges Of Each Four Fingers |
Actions | Extend Four Fingers, Assist In Extension Of Wrist |
Origin | Common Extensor Tendon From Lateral Epicondyle Of Humerus |
Insertion | Base Of 5th Metacarpal |
Actions | Extend, Adduct The Wrist |
Origin | Common Flexor Tendon From Medial Epicondyle |
Insertion | Base Of 2nd And 3rd Metacarpal |
Actions | Flex, Abduct Wrist, Flex Elbow |
Origin | Common Flexor Tendon From Medial Epicondyle |
Insertion | Flexor Retinaculum And Palmar Aponeurosis |
Actions | Tenses Palmar Fascia, Flex Wrist, Flex Elbow |
Origin | Common Flexor Tendon From Medial Epicondyle |
Insertion | Pisiform |
Actions | Flex, Adduct Wrist, May Flex Elbow |
Origin | Common Flexor Tendon From Medial Epicondyle Of Humerus, Coronoid Process of Ulna |
Insertion | By Four Tendons Into Sides Of Middle Phalanges Of 2nd Thru 5th Digits |
Actions | Flex Proximal Interphalangeal Joints Of 2nd
Thru 5th Digits Flex Metacarpophalangeal Joints Flex Wrist |
Origin | Anterior And Medial Surfaces Of Proximal Three-Quarters Of Ulna |
Insertion | By Four Tendons Into Bases Of Distal Phalanges, Anterior Surface |
Actions | Flex Distal Interphalangeal Joints Of Four
Fingers Flex Proximal Interphangeal and Metacarpophalangeal Joints May Flex Wrist |
Origin | Flexor Retinaculum And Tubercle Of The Trapezium |
Insertion | Entire Length Of First Metacarpal Bone, Radial Side |
Actions | Oppose The Thumb |
Origin | Capitate, 2nd And 3rd Metacarpals |
Insertion | Base Of Proximal Phalange Of Thumb |
Actions | Adduct, Flex The Thumb |
Origin | Posterior Surface Of Radius And Ulna, Deep To Extensors |
Insertion | Longus: Distal Phalange Of Thumb Brevis: Proximal Phalange Of Thumb |
Actions | Extend The Thumb |
Origin | Anterior Surface Of Radius, Deep To Flexors |
Insertion | Distal Phalange Of Thumb |
Actions | Flex The Thumb |
Origin | Posterior Surface Of Radius And Ulna, Deep To Extensors |
Insertion | Base Of 1st Metacarpal |
Actions | Abduct, Extend The Thumb |
Origin | Medial Epicondyle Of Humerus, Common Flexor Tendon And Coronoid Process of Ulna |
Insertion | Middle Of Lateral Surface Of Radius |
Actions | Pronate The Forearm, Assists To Flex The Elbow |
Origin | Lateral Epicondyle Of Humerus, Radial Collateral Ligament And Annular Ligament |
Insertion | Lateral Surface Of Proximal Shaft Of Radius |
Actions | Supinate The Forearm |