Metatarsal Bones

Question 1

What ligament is attached to the heads of all 5 metatarsal bones?

Answer 1

deep transverse metatarsal ligament

Question 2

Which is the shortest metatarsal? Which is the longest?

Answer 2

shortest- 1st met

longest- 2nd met

Question 3

What 2 tendons attach to the base of the 1st met?

Answer 3

1. tibialis anterior- attaches to the medial surface of the base
2. peroneus longus- attaches to the lateral surface of the base
   (both attach inferiorly near the plantar surface)

Question 4

What two ligaments attach to the base of the 1st met?

Answer 4

dorsal and plantar cuneometatarsal ligaments

Question 5

what muscle is attached to the shaft of the 1st met plantarly?

Answer 5

the medial head of the 1st dorsal interosseous muscle

Question 6

on which bone are the sesamoids located?

Answer 6

1st met- has medial and lateral facets for sesamoid boines

Question 7

the two facets for the sesamoid bones on the 1st met are separated by a small ridge of bone called what?

Answer 7

median crista

Question 8

what does teh base of the 2nd met look like?

Answer 8

triangular shaped with the apex directed plantarly

Question 9

describe the medial surface of teh base of teh 2nd met. how many facets are there? What do they articulate with?

Answer 9

1 small, oval facet for the medial cuneiform

Question 10

describe the lateral surface of the base of the 2nd met. how many facets are tehre? What do they articulate with?

Answer 10

2 facets- one dorsal, one plantar separated by a ridge of bone

• the 2 anterior demarcates are for the 3rd met
• the 2 posterior demarcates are for the lateral cuneiform

Question 11

what ligaments attach to the dorsal surface of the base of the 2nd met?

Answer 11

1. dorsal intermetatarsal ligament to the 3rd met

2. three dorsal cuneometatarsal ligaments, one from each cuneiform

Question 12

what structures attach to the plantar surface of the base of the 2nd met?

Answer 12

1. long plantar ligament
2. tibialis posterior
3. plantar cuneometarsal ligament
4. plantar intermetatarsal ligament
5. adductor hallucis (oblique head)

Question 13

what two ligaments attach to the lateral surface of the base of the 2nd met?

Answer 13

interosseous intermetatarsal

interosseous cuneometatarsal

Question 14

what ligament attaches to the medial surface of the base of the 2nd met?

Answer 14

Lisfranc’s ligament

Question 15

Describe the lateral surface of the 3rd met.

Answer 15

has a small oval facet for articulation with the 4th met

Question 16

Inferior to the facet on the lateral surface of the 3rd met lies a groove for which ligament?

Answer 16

interosseous intermetatarsal ligament

Question 17

the groove for the interosseous intermetatarsal ligament is distinctively found on the lateral surface of which bone?

Answer 17

3rd met

Question 18

describe the medial surface of the base of the 3rd met.

Answer 18

has two demarcates- one dorsal and one plantar- for the articulation with the 2nd met
*an interosseous intermetatarsal ligament attaches to the emdial surface

Question 19

what 3 ligaments attach to the dorsal surface of teh base?

Answer 19

two dorsal intermetatarsal ligaments

dorsal cuneometatarsal ligament

Question 20

which structures attach to the plantar aspect of the base of the 3rd met?

Answer 20

1. oblique head of adductor hallucis
2. tibialis posterior
3. long plantar ligament
4. plantar cuneometatarsal ligament
5. two plantar intermetatarsal ligaments

Question 21

what muscles originate from the shaft of the 3rd met?

Answer 21

1. lateral head of the 2nd dorsal interosseous
2. medial head of the 3rd dorsal interosseous
3. first plantar interosseous

Question 22

the posterior surface of the base of which met has a quadrilateral shaped facet?

Answer 22

4th met

is for articulation with cuboid

Question 23

describe the medial surface of the base of the 4th met.

Answer 23

oval facet- divided by a ridge- the anterior part articulates with 3rd met, the posterior part articulates with the lateral cuneiform

Question 24

what are the 3 ligaments that attach to the dorsal surface of the base?

Answer 24

1. two dorsal intermetatarsal ligaments (to 3rd and 5th met)

2. dorsal cuboideometatarsals

Question 25

what are the structures attached to the plantar surface of the 4th met?

Answer 25

1. adductor hallucis (oblique head) 2. tibialis posterior 3. long plantar ligament 4. plantar cuboideometatarsals ligament 5. plantar intermetatarsal ligaments (to 3rd and 5th met)

Question 26

describe the lateral surface of the 4th met.

Answer 26

has a large facet for the 5th met | *an interosseous intermetatarsal ligament is attached to this surface

Question 27

the shaft of the 4th met serves as the origin for what muscles?

Answer 27

1. lateral head of the 3rd dorsal interosseous 2. medial head of the 4th dorsal interosseous 3. second plantar interosseous

Question 28

what is the apex of the base of the 5th met aka?

Answer 28

styloid process of the 5th met

Question 29

Describe the posterior and medial surface of the 5th met.

Answer 29

posterior surface- has a triangular facet for teh cuboid | medial surface- has a triangular or oval facet for the 4th met

Question 30

what muscle inserts at the tuberosity of the 5th met (on the lateral surface of the base)?

Answer 30

peroneus brevis

Question 31

what muscle inserts onto the dorsal surface of teh base and the dorsal surface of teh shaft of the 5th met?

Answer 31

peroneus tertius

Question 32

what ligament attaches to the medial surface of the 5th met?

Answer 32

interosseous intermetatarsal lgiament

Question 33

the plantar surface of the base of the 5th met is grooved by the tendon for which muscle?

Answer 33

abductor digiti quinti

Question 34

what structures are attached to the plantar surface of the 5th met?

Answer 34

1. flexor digiti quinti brevis 2. plantar ligament of the sole 3. plantar cuboideometatarsals ligament 4. plantar intermetatarsal ligament

Question 35

the shaft of the 5th met serves as origin for what?

Answer 35

1. lateral head of the 4th dorsal interosseous | 2. third plantar interosseous