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This arrangement of dorsal interossei makes the second toe the midline of the foot, whereas the midline of the hand (marked by dorsal interossei of hand) is in the third finger. [2] Abduction is of little importance in the foot, but, together with the plantar interossei, the dorsal interossei also produce flexion at the metatarsophalangeal joints.
The three plantar interosseous muscles are unipennate, as opposed to the bipennate structure of dorsal interosseous muscles, and originate on a single metatarsal bone.The three muscles originate on the medial aspect of metatarsals III-V.
Plantar: Lateral plantar artery and plantar arch, plantar metatarsal and plantar digital arteries. Nerve: Lateral plantar nerve: Actions: Dorsal: Abducts 2nd through 4th toes, flex metatarsophalangeal joints, and extend phalanges. Plantar: Adduct digits (2-4) and flex metatarsophalangeal joint and extend phalanges. Anatomical terms of muscle
The second dorsal interossei from the medial side of the bone and the third dorsal interossei from the lateral side. The function of the muscle is to spread the toes. [2] The first Plantar interossei muscle originates from the medial side of the base and shaft of the third metatarsal. The function of the muscle is to move the third toe medially ...
First, second, and third muscle layers, and the dorsal and plantar interossei The intrinsic muscles in the sole are grouped in four layers: In the first layer, the flexor digitorum brevis is the large central muscle located immediately above the plantar aponeurosis.
The lateral plantar nerve supplies quadratus plantae, flexor digiti minimi brevis, adductor hallucis, the dorsal and plantar interossei, three lateral lumbricals and abductor digiti minimi. Cutaneous innervation is to the lateral sole and lateral one and one half toes (like the ulnar nerve ).
Flexor digitorum brevis flexes the middle phalanges. It is occasionally absent. Between the toes, the dorsal and plantar interossei stretch from the metatarsals to the proximal phalanges of digits two to five. The plantar interossei adduct and the dorsal interossei abduct these digits, and are also plantar flexors at the metatarsophalangeal ...
Interossei refer to muscles between certain bones. There are many interossei in a human body. There are many interossei in a human body. Specific interossei include: