Wrist and Finger Joints

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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

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