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Flexor Digitorum Superficialis

Flexor Digitorum Superficialis is sometimes also known as Flexor Digitorum Sublimis.

Origin

• Medial epicondyle of the humerus
• Medial coronoid process
• Radial tuberosity

Insertion

• Splits into 4 tendons which insert to the sides of the middle Phalange of the four fingers

Actions

• Flexion of the wrist
• Flexion of the fingers

Innervation

• Median nerve

Daily uses

• Making a fist

How can I stretch it?

• Wrist flexor stretch
• Wrist flexor stretch II

How can I strengthen it?

• Wrist flexion with a dumbbell
• Wrist flexion with a resistance band