Tibio-Fibular, Ankle And Foot Joints

Front 1

Proximal tibio-fibular joint:

1. what type of joint?

2. articulation btwn what?

3. joint capsule is strengthened by what ligaments?

4. what arteries go to joint?

5. articular nerves derived from what 2 nerve?

Back 1

1. synovial plane/gliding

2. head of fibula and fibular facet of posterolateral surface of lateral tibial condyle

3. anterior & posterior ligaments of head of fibula

4. lateral inferior genicular a. & anterior tibial recurrent a.

5. common fibular n. & n. to popliteus (tibial n.)

Front 2

Distal tibio-fibular joint:

1. what type of joint?

2. articulates between what?

3. what ligaments are involved in this joint?

4. arteries to joint derived from __

5. nerves to joint provided by __ and __ nn.

Back 2

1. fibrous

2. distal tibia and fibula (tibiofibular syndesmosis)

3. interossesous ligament, anterior, posterior, and transverse tibiofibular ligaments

4. fibular a.

5. deep fibular and tibial

Front 3

Note: the __ ligament of the distal tibiofibular articulation helps to form the "mortise" of the talocrural joint (ankle) by extending below the inferior margin of the distal tibiofibular joint

Back 3

transverse tibiofibular ligament

Front 4

Ankle joint (talocrural):

1. what type of joint?

2. articulation involves ___,___, and ___

3. capsule is lax in which directions?

4. capsule is buttressed in which directions?

5. arterial supply derived from__

6. nerves to joint supplied by __ and __ nn.

Back 4

1. synovial hinge

2. inferior surface of tibia, medial malleolus of tibia, and lateral malleolus of fibula, forming the "mortise" (w/ talus forming "tenon")

3. anteriorly and posteriorly (to accomodate flexion/extension)

4. laterally and medially

5. malleolar network

6. tibial and deep fibular

Front 5

Ankle joint (talocrural):

1. what 4 ligaments make up the deltoid ligament of the medial collateral ligament?

2. what 3 ligaments make up the lateral collateral ligament?

Back 5

1. anterior tibiotalar, tibionavicular, tibiocalcaneal, posterior tibiotalar

2. anterior talofibular, calcaneofibular, posterior talofibular

Front 6

Intertarsal joints:

1. what kind of joint and btwn what?

2. attached to one another via __,__, and __ ligaments named specifically for the bones to which they attach

3. __ ligaments are stronger & thicker to accommodate the stress of body weight borne upon individual articulations

4. what are the 4 individual joints?

Back 6

1. synovial plane btwn contiguous tarsal bones

2. dorsal, plantar, and interosseous

3. plantar

4. subtalar (talo-calcaneal), talocalcaneonavicular, calcaneocuboid, cuneonavicular

Front 7

Subtalar joint:

1. talus articulates twice with __, posteriorly and medially

2. possesses strong __ ligaments

3. allows __ and ___ of the posterior portion of the foot (hind foot)

Back 7

1. calcaneus

2. interosseous

3. inversion and eversion

Front 8

Talocalcaneonavicular joint:

1. articulation btwn __, __ and __

2. talus acts as a keystone for _ arch

3. forms the highest portion of __ arch

4. supported by a strong ___ ligament which prevents head of talus from being driven downward btwn calcaneus and navicular bones

Back 8

1. calcaneus, navicular, talus

2. medial longitudinal arch

3. medial longitudinal arch

4. plantar calcaneonavicular ligament (spring ligament)

Front 9

Calcaneocuboid joint:

1. articulation btwn ___ and _

2. forms the highest portion of __ arch

3. supported inferiorly by _ and __ ligaments

Back 9

1. anterior portion of calcaneus and cuboid

2. lateral longitudinal arch

3. long and short plantar

Front 10

Note: a functional _(1)_ joint exists btwn more posterior talocalcaneal portion of intertarsal joints & more anteriorly occuring naviculocuboid portion. This joint identifies a line of division btwn _(2)_ and _(3)_. This allows foot to function securely on uneven surfaces allowing _(4)_ to move on _(5)_ in plantar flexion & dorsi flexion, inversion & adduction, and eversion & abduction

Back 10

1. transverse or midtarsal

2. midfoot

3. hindfoot

4. midfoot

5. hindfoot

Front 11

Tarsometatarsal & intermetatarsal joints:

1. type of joints?

2. joint capsules enclose ___&___, ____&____, and __&__

3. intermetatarsal joints exist btwn which metatarsals?

4. intermetatarsal joint cavities are extensions of __

Back 11

1. synovial plane

2. medial cuneiform & 1st metatarsal, intermediate & lateral cuneiforms and their assoc. metatarsals (2 &3), and cuboid & its 4th and 5th metatarsals

3. 2-4

4. tarsometatarsal joint cavities

Front 12

Tarsometatarsal & intermetatarsal joints:

1. these joints are supported by many __, __, and __ ligaments

2. the heads of the metatarsals are united by __ ligaments which keep them from spreading

Back 12

1. dorsal, plantar, and interosseous

2. deep transverse metatarsal

Front 13

Metatarsophalangeal & interphalangeal joints:

1. MP is what type of joint?

2. IP is what type of joint?

3. __ and __ ligaments increase joint capsule stability

Back 13

1. synovial condyloid

2. synovial hinge

3. plantar and collateral

Front 14

Lateral arch of foot:

1. contains what 3 osseous components?

2. composes a __,__ component which provides a stable base for what two things?

Back 14

1. calcaneus, cuboid, 4th & 5th metatarsals & associated phalanges

2. flat, rigid; upright posture and assists in balance

Front 15

Medial arch of foot:

1. contains what 5 osseous components?

2. composes a higher, more resilient curvature than ___ longitudinal arch

3. assists in __

Back 15

1. calcaneus, talus, navicular, cuneiforms (all 3), 1st, 2nd, 3rd metatarsals & assoc. phalanges

2. lateral

3. weight bearing

Front 16

Transverse arch of foot:

1. contains what 2 osseous components?

Back 16

1. distal row of tarsals (cuboid & cuneiforms) and bases of all metatarsals

Front 17

What two ligaments are involved in static support for the arches and which arch do they support?

Back 17

long and short plantar ligament- supports lateral longitudinal arch

plantar calcaneonavicular ligament- supports medial longitudinal arch

Front 18

Plantar aponeurosis ties together what two things?

Back 18

Proximal and distal ends of longitudinal arches

Front 19

1. Which two muscles provide tendinous attachments to the inferior surface of most of the tarsal and metatarsal bones?

2. what do they form?

3. what does this support?

Back 19

1. tibialis posterior and fibularis longus

2. "tendinous sling"

3. both longitudinal arches as well as transverse arch

Front 20

which two muscles assist in maintaining medial longitudinal arch by virtue of passage of their tendons beneath the sustentaculum tali and attaching to undersurface of foot?

Back 20

flexor digitorum longs and flexor hallucis longus

Front 21

Which two muscls provide tendinous attachments to the superior portion of the longitudinal arches, much like the cables of a suspension bridge?

Back 21

tibialis anterior and fibularis brevis

Front 22

Note: when considering the support of the arches of the foot, __ is more important during static balance, ___ is greater during active movement

Back 22

ligamentous support; muscular support

Front 23

Which muscle provides a means of feeling or "grasping" surfaces as we stand/walk/run?

Back 23

Flexor digitorum longus

Front 24

Which muscle provide the impetus for each step we take?

Back 24

Flexor hallucis longus