Foot Joint Complex Quiz
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Questions and Answers

Which joint is classified as a trochlear joint?

  • Tarsometatarsal joint
  • Interphalangeal joint (correct)
  • Mediotarsal joint
  • Metatarsophalangeal joint

What type of joint is formed by the calcaneus and cuboid?

  • Saddle joint
  • Arthrodia joint (correct)
  • Condylar joint
  • Hinge joint

What does a navicular drop greater than ten millimeters indicate?

  • Inflexibility of the tarsal joints
  • Weakness of the intrinsic muscles
  • Weakness of the supinators (correct)
  • Development of high arches

Which test assesses the intrinsic muscle strength of the foot?

<p>Intrinsic muscle test (A)</p> Signup and view all the answers

In the lateral step down test, what is the patient's position?

<p>Standing on one leg on a step (C)</p> Signup and view all the answers

What type of joint is formed between the metatarsals and tarsals?

<p>Arthrodia joint (B)</p> Signup and view all the answers

What movement is primarily associated with the metatarsophalangeal joint?

<p>Flexion and extension (D)</p> Signup and view all the answers

What happens during the intermetatarsal joints?

<p>They have a synovial structure (C)</p> Signup and view all the answers

What is the primary clinical significance of a positive navicular drop test?

<p>Suggests weakness of the supinators (A)</p> Signup and view all the answers

Which of the following joints is classified as an arthrodia joint?

<p>Mediotarsal joint (D)</p> Signup and view all the answers

During the lateral step down test, what is the primary action the patient performs?

<p>Dropping and rising laterally from a step (C)</p> Signup and view all the answers

What is the condition assessed by the intrinsic muscle test?

<p>Strength of the intrinsic muscles (A)</p> Signup and view all the answers

Which movement is NOT associated with the metatarsophalangeal joint?

<p>Dorsiflexion (D)</p> Signup and view all the answers

What anatomical structure is involved in the tarsometatarsal joint?

<p>Three cuneiforms and cuboid (D)</p> Signup and view all the answers

In the intrinsic muscle test, what does it indicate if a patient cannot pick up objects with their toes?

<p>Weakness of the intrinsic muscles (D)</p> Signup and view all the answers

What is the primary function of the intermetatarsal joint?

<p>To permit gliding between metatarsals (A)</p> Signup and view all the answers

Flashcards

Arthrodia Joint

A type of joint where the surfaces are flat and allow for gliding movements. Found in the midfoot between the calcaneus and cuboid, and the talus and scaphoid.

Condylar Joint

A joint where the convex surface of one bone fits into the concave surface of another. This allows for flexion, extension, abduction, and adduction. Found in the forefoot between the metatarsal heads and the phalanges.

Trochlear Joint

A joint where the pulley-shaped surface of one bone articulates with the grooved surface of another. This allows for dorsiflexion and plantarflexion. Found in the forefoot between the phalanges.

Chopart Joint

The joint between the calcaneus and cuboid bones, and the talus and scaphoid bones. Allows for gliding and some limited rotation.

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Lisfranc Joint

The joint between the three cuneiforms and cuboid bones and the metatarsals. Allows for gliding and some limited rotation.

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Intrinsic Muscle Test

Used to assess the strength of the intrinsic muscles of the foot. Patient attempts to pick up objects from the floor with their toes.

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Navicular Drop Test

Used to assess the integrity of the ligaments supporting the arch of the foot. Patient stands with their weight on the ball of their foot and a measurement of the scaphoid tuberosity is taken both in standing and sitting positions.

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Lateral Step-Down Test

Used to assess the strength of the ankle and foot muscles. Patient stands on a step with their weight on their toes and performs a controlled lateral step down.

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What joint separates the midfoot and hindfoot?

This joint, also known as the Chopart joint, connects the calcaneus and cuboid bones, and the talus and scaphoid bones. It allows for gliding and some limited rotation.

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What joint connects the midfoot with the forefoot?

This joint connects the three cuneiforms and cuboid bones with the metatarsals. It also allows for gliding and limited rotation.

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What type of joint connects the metatarsals?

These joints are within the metatarsals, connecting their lateral faces. They are synovial joints, allowing for gliding movements.

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Which joint connects the metatarsals with the toes?

These joints are between the metatarsal heads and the phalanges. They are condylar joints, allowing for movements like flexion, extension, abduction, and adduction.

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What type of joint is found between the phalanges?

Located between the phalanges, these joints allow for dorsiflexion and plantarflexion.

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What test helps diagnose pronated feet?

This test measures the integrity of ligaments supporting the foot arch by comparing the distance between the scaphoid bone in a standing and a sitting position. A difference greater than 10mm may indicate a pronated foot.

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How do you test the strength of the intrinsic foot muscles?

This test assesses the strength of the intrinsic foot muscles. It involves picking up objects from the floor using only the toes. Difficulty picking up or dropping objects indicates weakness in these muscles.

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What test evaluates ankle and foot muscle strength using a step?

This test assesses the strength of the ankle and foot muscles. The individual stands on a step with their weight on their toes and laterally steps down, testing the muscles used in balance and stability.

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Study Notes

Foot Joint Complex

  • Medio-tarsal (Chopart) Joint: An arthrodial joint; combines the talus, scaphoid, calcaneus, and cuboid bones. It's a saddle joint at the talus/scaphoid and an arthrodial joint between the calcaneus and cuboid.
  • Tarsometatarsal (Lisfranc) Joint: An arthrodial joint; connects the cuneiforms, cuboid, and metatarsals. There are three cuneiforms and one cuboid that articulate with the first five metatarsals.
  • Intermetatarsal Joints: Synovial joints between the metatarsal bones.
  • Metatarsophalangeal Joints: Condylar joints; connect the metatarsals to the proximal phalanges.
  • Interphalangeal Joints: Trochlear joints; connecting the proximal and distal phalanges. These joints allow for flexion and extension, as well as adduction and abduction.

Tests

  • Navicular Drop Test: Measures the difference in distance between two markings on the scaphoid tuberosity, while the patient stands, to ascertain for pronated foot. Starting position involves a 90-degree knee and hip flexion.

  • Clinical Significance (Navicular Drop): A significant difference implies pronation and subsequent weakness of the supinator muscles.

  • Intrinsic Muscle Test: Assesses the ability of the toes to pick up objects from the ground without them falling or the inability to perform this action. The patient must pick up objects from the floor and place them in a container.

  • Clinical Significance (Intrinsic Muscle Test): Inability to perform the task indicates weakness of intrinsic foot muscles.

  • Lateral Step-Down Test: Evaluates stability on a step, with a patient attempting a lateral step down; noting whether the arch collapses or the patient steps incorrectly. The patient performs the step down using a unipedal support with the last four toes on a step.

  • Clinical Significance (Lateral Step-Down): Arch collapse and incorrect stepping suggest pronation and weakness of supinator muscles.

  • Influence of Footwear on Stride: Observes the effect of barefoot movement versus wearing shoes on a person's stride pattern. The test involves moving barefoot and then with sneakers.

  • Clinical Significance (Footwear): Forefoot vs. rearfoot strike type differences indicate differences in gait patterns, depending of the footwear being worn.

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Foot Joint Complex PDF

Description

Test your knowledge about the various joints in the foot and their functions. This quiz covers joints such as the medio-tarsal, tarsometatarsal, and metatarsophalangeal joints, along with associated tests like the navicular drop test. Assess your understanding of foot anatomy and its clinical significance.

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