💪 Anatomy ProfileLeg & Foot

Dorsal Interossei

Kinesiology & Myology Reference

📍 Origin (Proximal Attachment)

Adjacent surfaces of all metatarsals

🎯 Insertion (Distal Attachment)

1st: Medial surface of proximal phalanx of 2nd toe 2nd - 4th: Lateral surfaces of proximal phalanges of 2nd - 4th toes

🏃‍♂️ Action (Primary Function)

Abduct the 2nd to 4th toes (MTP joints) Flex 2nd to 4th toes (MTP joints)

⚡ Innervation (Nerve Supply)

Tibial nerve S1, 2

🖐️ Clinical Palpation Key

Plantar surface deep layers

💡 Clinical Assessment Notes

Intrinsic Muscles of the Foot