ART. TARSI

Question 1

OS TARSI

Answer 1

BONES: Medial –> Lateral

1st row: TALLUS and CALCANEUS

2nd row:
Os Tarsi Centrale/ Os Naviculare
Os Tarsi IV / Os cuboideum

3rd row:
Os tarsale I / Os cuneiforme mediale
Os Tarsale II / Os Cuneiforme Intermedium
Os Tarsale III / Os cuneiforme laterale

Question 2

Interspecial differences

Answer 2

EQ:
*6
Os Tarsale I and II is fused

BO:
*5
- Os Centrale and Os Tarsi IV is fused
= Os Naviculocuboideum
- Os Tarsale II and III is fused too

Ca:
*7

Su:
*7

Question 3

ART. Tarsi

Answer 3

= HOOK Joint (part of the art. PEDIS)
BONES Involved:
- Crural bone
- Tarsal bone
- Metatarsal bone

ARTICULATIONS:

1. ART. TARSOCRURALES, cochlearis SNAP JOINT
2. ART. TALLOCALCANEO CENTRALIS
   - Art. Tallocalcanea
   - Art. Calcaneoquartalis
3. ART. CENTRODISTALIS
4. ART. TARSOMETATARSAE

3+4 = NO movements

LIGAMENTS:
1. Lig. collaterale tarsi mediale
2. Lig. Collaterale tarsi mediale brevis
3. Lig. Collaterale tarsi laterale
4. Lig. Collaterale tarsi laterale brevis
5. Lig. Plantare Longum
EQ- Lig. Tallocentrodistrometatarseum

+ SHORT Ligaments:

1. Lig. Tallocalcaneum Interosseum
2. Lig. Centrodistale Interosseum
   - EQ: Lig. Talocentrale Interosseum

RECESSES:

1. Recessus Plantaris MED+ LAT
2. Recessus Dorsalis MED+LAT

Synovial layer stops on Every row.

TENDO CALCANEI COMMUNIS
MUSCLES=
EXTENSORS *6
FLEXORS *4

Question 4

1. ART. TARSOCRURALES

Answer 4

= Cochlearis, SNAP JOINT

TYPE:

• Diarthrosis
• Composita
• Cochlearis
• Uniaxial
• SNAP JOINT

FUNCTION:
- FLEXING and EXTENDING

CA:
Tibia + Fibula + Tallus + Calcaneus

RU:
Os MALLEOLARE

EQ:
Tibia + Tallus

Question 5

ART. TALOCALCANEO CENTRALIS

Answer 5

TYPE: BIAXIAL
FUNCTION:
- Flexion, Extension and Rotation

1. Art. TALLOCALCANEA
   Tallus –> Calcaneus
2. Art. CALCANEOQUARTALIS
   Calcaneus –> Os Tarsale Quartum

Ca: Prox+ Distal Trochlea of Tallus –> Os Tarsi Centrale

Ru: Prox+Distal Trochlea of Tallus –> Os tarsi Centrale + IV

EQ: Prox trochlea and Distal art. surface
–> Os tarsi centrale

Question 6

ART. CENTRODISTALIS

Answer 6

No Movement

Question 7

ART. TARSOMETATARSAE

Answer 7

No movement

Question 8

MUSCLE OF THE TARSUS

Answer 8

FLEXORS
1. M. Tibialis Cranialis
2. M. Peroneus Longus
3. M. Peroneus Brevis
EQ: Peroneus Tertius

EXTENSORS:
1. M. Gastrocnemius
EQ: M. Triceps Surae

2. M. Tibialis Caudalis
3. M. Flexor digitorum superficialis
4. TENDO ACCESSORIUS
   - M. Biceps Femoris
   - M. Semitendinosus
   - M. Gracilis