Wrist and Finger Joints
Extensor Carpi Radialis
Origin: Lateral Epicondyle of the Humerus Insertion: Lateral metacarpals Action: Hand extension and abduction at wrist
Extensor Carpi Ulnaris
Origin: Lateral Epicondyle of the Humerus Insertion: Medial metacarpals Action: Hand extension and adduction at wrist
Extensor Digitorum
Origin: Lateral Epicondyle of the Humerus Insertion: Phalanges Action: Hand extension and finger extension at interphalangeal joints
Extensor Digiti Minimi
Origin: Lateral Epicondyle of the Humerus Insertion: Phalanges of the little finger Action: Little finger extension at interphalangeal joints
Flexor Carpi Radialis
Origin: Medial epicondyle of humerus Insertion: Lateral metacarpals Action: Hand flexion and abduction at wrist
Flexor Carpi Ulnaris
Origin: Medial epicondyle of humerus Insertion: Medial metacarpals Action: Hand flexion and adduction at wrist
Palmaris Longus
Origin: Medial epicondyle of humerus Insertion: Palmar aponeurosis Action: Hand flexion, adduction at wrist
Flexor Digitorum Superficialis
Origin: Medial epicondyle of humerus Insertion: Phalanges Action: Finger flexion at interphalangeal joints and hand flexion at wrist
Flexor Digitorum Profundus
Origin: Proximal ulna Insertion: Phalanges Action: Finger flexion at interphalangeal joints and hand flexion at wrist
What muscles originate at the Medial Epicondyle of the humerus?
Palmaris Longus, Flexor Carpi Ulnaris, Flexor Carpi Radialis, Flexor Digitorum Superficialis
What muscles insert at the phalanges?
Flexor Digitorum Profundus, Flexor Digitorum Superficialis
What muscles originate at the Lateral Epicondyle of the humerus?
Extensor Carpi Radialis, Extensor Carpi Ulnaris, Extensor Digiti Minimi, Extensor Digitorum