Plantar interossei muscles
Plantar Interossei Muscles
The Plantar Interossei Muscles (pronunciation: plan-tar in-ter-os-ee-i mus-kuls) are a group of three muscles located in the foot. They are part of the Foot Musculature and play a crucial role in foot movement and stability.
Etymology
The term "Plantar Interossei" is derived from Latin, where "Plantar" refers to the sole of the foot, and "Interossei" means between the bones.
Anatomy
The Plantar Interossei Muscles are located on the medial side of the foot, between the metatarsal bones. They originate from the medial side of the third, fourth, and fifth metatarsal bones and insert into the bases of the proximal phalanges and the extensor expansions of the same digits.
Function
The primary function of the Plantar Interossei Muscles is to adduct the third, fourth, and fifth toes towards the axis of the foot. They also assist in flexion of the metatarsophalangeal joints and extension of the interphalangeal joints.
Related Terms
- Metatarsal Bones: The long bones in the foot where the Plantar Interossei Muscles originate.
- Phalanges: The bones of the toes where the Plantar Interossei Muscles insert.
- Metatarsophalangeal Joints: The joints at the base of the toes that the Plantar Interossei Muscles help to flex.
- Interphalangeal Joints: The joints between the phalanges of the toes that the Plantar Interossei Muscles help to extend.
See Also
External links
- Medical encyclopedia article on Plantar interossei muscles
- Wikipedia's article - Plantar interossei muscles
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