Lab 7 - Module 4 - The Foot: Page 4 of 8
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Third layer of the sole of the foot:
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| Add the Flexor Digiti Minimi muscles. |
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Origin - Base of the 5th metatarsal Insertion - Lateral side of the base of the proximal phalanx of the little toe Innervation - Lateral plantar (S2,S3) Action - Flexes the MTP joint of the little toe |
| Add the Adductor Hallicus muscles. |
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Origin - Two heads: transverse and oblique Transverse; deep transverse metatrsal ligaments of the toes Oblique; base of the 2, 3, 4 metatarsal bones Insertion - Common tendon to the base of the lateral aspect of the great toe Innervation - Lateral plantar (S2,S3) Action - Adducts the first digit (great toe); assists in maintaing transverse arch of the foot |
| Add the Fexor Hallicus Bevis muscles. |
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Origin - Plantar surface of the cuboid, lateral 1/3 of the cuneiform bones Insertion - By two tendons onto the sides of the base of the proximal phalanx of the great toe Innervation - Medial plantar (S2,S3) Action - Flexes the proximal phalanx of the great toe at the 1st MTP joint |