QUIZ 7 RAYS OF THE FOOT

Question 1

• functional units

- one for each metatarsal - can change the position of the metatarsal head relative to the ground

Answer 1

rays of the foot

Question 2

• formed by the medial cuneiform and the first metatarsal bones
• has the largest range of motion, in an arc around the second ray in the
  frontal plane

Answer 2

First Ray

Question 3

• formed by the intermediate cuneiform and the second metatarsal bones
• has the least amount of motion because the metatarsal base is wedged between the medial and lateral cuneiforms, the small amount of motion is directly dorsal
  and plantar

Answer 3

Second Ray

Question 4

• formed by the lateral cuneiform and the third metatarsal bones
• motion describes an arc around the second ray, opposite in direction to that of
  the first ray
• greater amount of motion than the second ray; less motion than the fourth ray

Answer 4

Third Ray

Question 5

• formed by the fourth metatarsal bone
• motion describes an arc, with a larger excursion than and the same direction as the third ray
• less motion than the fifth ray

Answer 5

Fourth Ray

Question 6

• the fifth metatarsal bone
• motion describes an arc, with a larger excursion and the same direction as the
  fourth ray
• less motion than the first ray

Answer 6

Fifth Ray