Upper Limb Joints: Elbow, Pelvis, and Lower Extremity

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Questions and Answers

Which of the following structures is NOT a component of the elbow joint's strengthening ligaments?

  • Lig. collaterale radiale
  • Lig. collaterale ulnare
  • Lig. anulare radii
  • Membrana interossea antebrachii (correct)

Damage to the incisura radialis ulnae would most directly affect the integrity of which ligament?

  • Lig. collaterale ulnare
  • Lig. anulare radii (correct)
  • Lig. collaterale radiale
  • Membrana interossea antebrachii

Which of the following movements occur at the elbow joint?

  • Flexion and extension (correct)
  • Circumduction
  • Pronation and supination
  • Abduction and adduction

Which of the following structures is responsible for connecting the radius and ulna along their shafts?

<p>Membrana interossea antebrachii (D)</p> Signup and view all the answers

Which of the following is an articulation surface of the art. radioulnaris distalis?

<p>Incisura ulnaris radii (A)</p> Signup and view all the answers

Which movement is facilitated by the art. radioulnaris proximalis et distalis and the art. humeroradialis?

<p>Pronation of the forearm (C)</p> Signup and view all the answers

Which of the following is an articulation surface of the art. radiocarpalis?

<p>Facies articularis carpalis radii (C)</p> Signup and view all the answers

Which of the following structures strengthens the art. radiocarpalis on the anterior (palmar) side?

<p>Lig. radiocarpale palmare (A)</p> Signup and view all the answers

What movements are possible at the art. radiocarpalis?

<p>Flexion and extension of the wrist (A)</p> Signup and view all the answers

Which of the following is an articulation surface of the artt. carpi and artt. intercarpales?

<p>Facies articulares ossis trapezii (B)</p> Signup and view all the answers

The distal articulation surfaces of which of the following bones articulate at the artt. mediocarpalis?

<p>Os scaphoideum (A)</p> Signup and view all the answers

Which of the following ligaments provides the primary support for the artt. mediocarpalis between bones of one row?

<p>Ligg. intercarpalia interossea (C)</p> Signup and view all the answers

Which carpal bone articulates with the facies articularis ossis pisiformis?

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

Which structure forms the roof of the carpal tunnel (Canalis carpi)?

<p>Retinaculum flexorum (A)</p> Signup and view all the answers

Which joint is involved in movements of the thumb?

<p>Art. carpometacarpalis pollicis (A)</p> Signup and view all the answers

Which of the following does NOT describe art. carpometacarpales II-V?

<p>Movements include: abduction, adduction, flexion, extension, circumduction (C)</p> Signup and view all the answers

Which movement is specific to the art. carpometacarpalis pollicis?

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

What type of movements are permitted at the artt. intermetacarpales II-V?

<p>Minimal movements primarily for adjustment to stress (C)</p> Signup and view all the answers

What is a characteristic of the artt. metacarpophalangeae II-V?

<p>Articulation surfaces include the facies articularis capitis ossis metacarpalis (C)</p> Signup and view all the answers

The membrana obturatoria is associated with which joint?

<p>Joints of the pelvic girdle (A)</p> Signup and view all the answers

Which of the following structures forms a part of the synchondrosis of the pelvic girdle?

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

Which of the following is true regarding the symphysis pubica?

<p>Possesses minimal movement because it is a synchondrosis (A)</p> Signup and view all the answers

Which of the following ligaments directly bridge from the sacrum to the os ilium?

<p>Lig. sacroiliacum interosseum (B)</p> Signup and view all the answers

Which of the following statements correctly describes the Art. sacroiliaca?

<p>Possesses facies auricularis ossis sacri (D)</p> Signup and view all the answers

Which of the following bones does NOT form part of the pelvis?

<p>Vertebrae thoracicae XII (A)</p> Signup and view all the answers

What is the primary distinguishing feature between the pelvis major and pelvis minor?

<p>The pelvis major is located superior to the linea terminalis, while the pelvis minor is inferior. (A)</p> Signup and view all the answers

Which of the given structures does NOT contribute to form the apertura pelvis superior (pelvic inlet)?

<p>Ramus inferior ossis pubis (A)</p> Signup and view all the answers

The facies pelvica ossis sacri is located in which of the following walls of the pelvis minor?

<p>Posterior (A)</p> Signup and view all the answers

What is the role of acetabulum in the hip joint?

<p>Provides surface for articulation with the head of the femur (B)</p> Signup and view all the answers

Which of the following contributes to the 'intracapsularia' of the hip joint?

<p>Lig. teres femoris (A)</p> Signup and view all the answers

Which of the ligaments is most directly associated with the incisura acetabuli?

<p>Lig. transversum acetabuli (A)</p> Signup and view all the answers

The zona orbicularis encircles the collum femoris/spina iliaca anterior inferior. To what classification is this ligament assigned?

<p>Ligg. capsularia (A)</p> Signup and view all the answers

Which of the following is NOT a movement capable at the hip joint?

<p>Eversion (C)</p> Signup and view all the answers

Facies articularis patellae is an articulation surface of which joint?

<p>Art. Genus (C)</p> Signup and view all the answers

Both the meniscus medialis and lateralis are found:

<p>Inside the knee joint between the femur and tibia (C)</p> Signup and view all the answers

Rupture of the lig. cruciatum anterius would primarily affect the stability of which joint?

<p>Art. genus (B)</p> Signup and view all the answers

A patient presents with a torn lig. collaterale fibulare. Which articulation is most likely affected?

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

A soccer player sustains a blow to the medial side of their knee. Which of the following structures would be most at risk?

<p>Lig. collaterale tibiale (B)</p> Signup and view all the answers

Which structure fixates the patella?

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

Plicae synoviales, bursae and villi are all:

<p>Structures of the synovial membrane (D)</p> Signup and view all the answers

The stretching of the tibial and fibular margo interosseus is a characteristic of which of the following?

<p>Membrana interossea cruris (D)</p> Signup and view all the answers

The art. tibiofibularis is supported by which type of joint?

<p>art. plana (B)</p> Signup and view all the answers

The syndesmosis tibiofibularis is directly supported by which two ligaments?

<p>Lig. tibiofibulare anterius &amp; Lig. tibiofibulare posterius (B)</p> Signup and view all the answers

With which structure does the facies superior tali articulate?

<p>Tibia (A)</p> Signup and view all the answers

Malleolus medialis/sustentaculum tali is a part of which of the following ligaments?

<p>Lig. collaterale mediale (deltoideum) (B)</p> Signup and view all the answers

Which movement is associated with the art. talocruralis?

<p>Flexio, extensio pedis (D)</p> Signup and view all the answers

Which bones articulate at the art. subtalaris?

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

Which statement accurately describes the formation of the art. talocalcaneonavicularis?

<p>The talus articulates with the navicular bone's anterior surface, and the calcaneus articulates with the talus' middle surface. (D)</p> Signup and view all the answers

Pronatio, abductio and supinatio, adductio are movements performed by which art?

<p>art. talocalcaneonavicularis (D)</p> Signup and view all the answers

Movement limitations are characteristic of which of the following structures?

<p>ARTT. INTERCUNEIFORMES (C)</p> Signup and view all the answers

What type of movements can be performed by the ARTT. METATARSOPHALANGEAE?

<p>Flexio, extensio digitorum, abductio, adductio digitorum, circumductio digitorum are possible (B)</p> Signup and view all the answers

Flashcards

Lig. collaterale ulnare

Strengthens the elbow joint. Extends from the medial epicondyle of the humerus to the trochlear notch of the ulna.

Lig. collaterale radiale

Strengthens the elbow joint. It splits into two bundles and encircles the head of the radius.

Lig. anulare radii

Strengthens the elbow joint. It encircles the head of the radius, connecting to the ulna.

Membrana interossea antebrachii

A joint that connects radius and ulna, stretched between radial and ulnar interosseous margins.

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Art. radioulnaris distalis

Articulation that includes the incisura ulnaris radii and the circumferentia articularis ulnae. It also includes the discus articularis.

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Movements of distal radioulnar joint

Movements that include pronation (internal rotation) & supination (external rotation) of the forearm.

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Art. radiocarpalis

Joint that includes the Facies articularis carpalis radii and the Discus articularis.

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Movements of radiocarpal joint

Movements: flexion, extension, adduction, abduction and circumduction.

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Artt. carpi

Joint articulation between bones of one row; includes the Facies articularis ossis scaphoidei, ossis lunati, ossis triquetri.

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Artt. mediocarpalis

Joint articulation where the proximal row of carpal bones articulate with the distal row.

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Art. ossis pisiformis

Structures that include the Facies articularis ossis pisiformis, and the Facies articularis ossis triquetri

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Canalis carpi

The tunnel formed by the carpal bones and the retinaculum flexorum.

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Artt. carpometacarpales II-V

Joint that includes the Facies articulares ossium carpalium (distal row). Minimal movements.

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Art. carpometacarpalis pollicis

Joint with articulation between the Facies articularis ossis trapezii and the Facies articularis basis ossis metacrpalis primi.

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Artt. intermetacarpales II-V

Joint Articulation includes the Facies articulares basium ossium metacarpalium II-V; minimal movement.

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Artt. metacarpophalangeae II-V

Joint articulation with the Facies articularis capitits ossis metacarpalis & basis phalangis proximalis.

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Ligaments of Metacarpophalangeal joints

Joint surrounded by the Ligg. collateralia and Lig. metacarpale transversum profundum

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Art. metacarpophalangea pollicis

Joint that only allows flexion and extension.

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Artt. interphalangeae manus (ginglymus)

Structures that include the Facies articularis capitis phalangis and the Facies articularis basis phalangis.

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Joints of the pelvic girdle

Connects the lower limbs to the axial skeleton.

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Joints of lower extremity

Structure that includes the Art. sacroiliaca, Art. coxae and Art. genus.

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Art. sacroiliaca

A joint that includes the Facies auricularis ossis sacri and Facies auricularis ossis ilii

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Membrana obturatoria

Fibrous structure connected by the Canalis obturatorius.

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Lig. sacrospinale

Structures including spine to sacrum, os coccygis

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Symphysis pubica

Cartilaginous joint with Facies symphysialis ossis pubis and Discus interpubicus

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Pelvis

The ring of bones at the base of the trunk.

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Apertura pelvis superior

Superior opening of the lesser pelvis.

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Apertura pelvis inferior

Inferior opening of the minor pelvis.

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Hip joint – Art. coxae

Joint with the Facies lunata acetabuli and the Facies articularis capitis femoris articulation.

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Lig. capitis femoris

Ligaments that connects from the acetabular notch to the fovea capitis.

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Lig. iliofemorale

Strongest hip ligament, limits hyperextension.

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Movements of hip joint

Movement includes the Flexio, extensio femoris.

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Knee joint

Articulations with the Facies articulares condyli medialis et lateralis femoris

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Adittional structures Art. Genus

Structures includes the Meniscus medialis et lateralis, Ligamenta and Bursae .

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Lig. cruciatum anterius

Stabilizing ligaments inside the knee. Named for their cross shape.

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Lig. patellae

Ligament from the apex of patellae.

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Lig. popliteum obliquum

Stabilizes the synovial capsule of the knee joint.

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Syndesmosis tibiofibularis

Connects the tibia and fibula.

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Art. talocruralis (ginglymus)

Joint with the Facies superior tali and Facies articularis inferior tibiae articulation.

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Lig. collaterale mediale (deltoideum)

Major medial ankle ligament complex.

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Study Notes

  • Study notes on the joints of the upper limb, pelvic girdle, and lower extremity

Elbow Joint (Art. Cubiti/Art. Composita)

  • Strengthened by ligaments including the collaterale ulnare, collaterale radiale, and anulare radii

Lig. Collaterale Ulnare

  • Originates from the epicondylus medialis humeri and inserts onto the incisura trochlearis ulnae at the medial margin

Lig. Collaterale Radiale

  • Originates on the epicondylus lateralis humeri, splits into two bundles, and encircles the caput radii/incisura radialis ulnae

Lig. Anulare Radii

  • Encircles the incisura radialis ulnae as well as the caput radii and incisura radialis ulnae

Elbow Joint Movements

  • Flexio and extensio antebrachii, facilitated by the art. humeroulnaris and art. humeroradialis
  • Flexion is shown with the arm bent in a 140° angle while Extension shows the arm fully extended

Connections Between Bones of the Forearm

  • Include the membrana interossea antebrachii
    • It stretches between the radial and ulnar margo interosseus
  • Also includes the art. radioulnaris proximalis and distalis, both art. trochoidea

Art. Radioulnaris Distalis (Art. Trochoidea)

  • Has articulation surfaces, including the incisura ulnaris radii and the circumferentia articularis ulnae
  • Additional structure: the discus articularis
    • Processus styloideus ulnae/incisura ulnaris radii
  • Surrounded by the capsula articularis

Movements of the Art. Radioulnaris Distalis

  • Includes pronatio (rotatio interna) and supinatio (rotatio externa) of the antebrachii
  • Supination shows the ulna on the opposite side of the hand to the thumb
  • Pronation shows ulna bone on the same side as the thumb of the hand

Joints of the Hand (Artt. Manus)

Art. Radiocarpalis (Art. Ellipsoidea)

  • Has articulation surfaces, including the facies articularis carpalis radii and the facies articularis ossis scaphoidei, ossis lunati, and ossis triquetri
  • Additional structure: the discus articularis
    • Processus styloideus ulnae/incisura ulnaris radii
  • Surrounded by the capsula articularis
  • Key feature: the S, L and T

Art. Radiocarpalis (Art. Ellipsoidea) is Strengthened By

  • Lig. collaterale carpi radiale: processus styloideus radii/os scaphoideum
  • Lig. collaterale carpi ulnare: processus styloideus ulnae/os triquetrum
  • Lig. radiocarpale palmare: processus styloideus radii, anterior surface of distal radius/carpus proximal row, os capitatum
  • Lig. radiocarpale dorsale: posterior surface of distal radius/carpus proximal row
  • Views: anterior/palmar (front of hand) and posterior/dorsal (back of hand)

Art. Radiocarpalis (Art. Ellipsoidea) Movements

  • Flexio, extensio manus
  • Abductio, adductio manus
  • Circumductio manus

Artt. Carpi; Artt. Intercarpales (Artt. Planae)

  • Articulation surfaces consist of the bones within one row
    • Includes the facies articularis ossis scaphoidei, ossis lunati, ossis triquetri
    • Also includes the facies articularis ossis trapezii, ossis trapezoidei, ossis capitati, ossis hamati
  • Tm, Td, C, H, S, T, L (bones)

Artt. Mediocarpalis (Artt. Planae)

  • Articulation surfaces are where bones of the proximal row articulate with the distal row
    • Os scaphoideum, os lunatum, os triquetrum distal articulation surfaces
    • Os trapezium, os trapezoideum, os capitatum, os hamatum proximal articulation surfaces
  • Surrounded by the capsula articularis
  • Tm, Td, C, H, S, T, L (bones)

Artt. Mediocarpalis (Artt. Planae) Strength

  • Ligg. intercarpalia interossea facilitates strength
    • Between bones of 1 row
    • Ligg. intercarpalia dorsalia: in the back
    • Ligg. intercarpalia palmaria: in front
  • Minimal movements, provides adjustment for the stress

Art. Ossis Pisiformis

  • Articulation surfaces include the facies articularis ossis pisiformis and the facies articularis ossis triquetri
  • Surrounded by the capsula articularis

Sulcus Carpi. Canalis Carpi

  • Os hamatum
  • Os pisiforme
  • Sulcus carpi
  • Os trapezium
  • Retinaculum flexorum
  • Os scaphoideum
  • Canalis carpi

Other Hand Joints

  • Artt. interphalangeae manus
  • Artt. metacarpophalangeae II-V
  • Artt. intermetacarpales II-V
  • Artt. carpometacarpales II-V
  • Art. carpometacarpalis pollicis
  • Art. metacarpophalangea pollicis

Artt. Carpometacarpales II-V (Artt. Planae)

  • Articulation surfaces include facies articulares ossium carpalium (distal row) and facies articulares basium ossium metacarpalium II-V
  • Surrounded by the capsula articularis
  • Strengthened via the ligg. carpometacarpalia palmaria et dorsalia
  • Minimal movements
  • Td, C, H, Tm (bones)

Art. Carpometacarpalis Pollicis (Art. Selllaris)

  • Articulation surfaces include the facies articularis ossis trapezii with the facies articularis basis ossis metacrpalis primi
  • Surrounded by the capsula articularis

Art. Carpometacarpalis Pollicis (Art. Selllaris) Movements

  • Abductio, adductio pollicis
  • Opositio, repositio pollicis
  • Flexio, extensio pollicis
  • Circumductio pollicis

Artt. Intermetacarpales II-V (Artt. Planae)

  • Articulation surfaces include the facies articulares basium ossium metacarpalium II-V
  • Surrounded by the capsula articularis
  • Strengthened using the ligg. metacarpalia interossea, ligg. metacarpalia dorsalia, and the ligg. metacarpalia palmaria
  • Minimal movements

Artt. Metacarpophalangeae II-V (Artt. Ellipsoideae)

  • Articulation surfaces include the facies articularis capitits ossis metacarpalis and the facies articularis basis phalangis proximalis
  • Surrounded by the capsula articularis

Artt. Metacarpophalangeae II-V (Artt. Ellipsoideae) Strength

  • Ligg. collateralia are for strength on either side
  • Lig. palmare is in front
  • Lig. metacarpale transversum profundum: between caput ossis metacarpi

Artt. Metacarpophalangeae II-V (Artt. Ellipsoideae) Movements

  • Flexio, extensio digitorum
  • Abductio, adductio digitorum
  • Circumductio digitorum

Art. Metacarpophalangea Pollicis (Ginglymus)

  • Articulation surfaces include the facies articularis capitis ossis metacarpalis primi and the facies articularis basis phalangis proximalis
  • Surrounded by the capsula articularis

Movements of the Art. Metacarpophalangea Pollicis

  • Flexio and extensio phalangis proximalis pollicis

Artt. Interphalangeae Manus (Ginglymus)

  • Articulation surfaces include the facies articularis capitis phalangis and the facies articularis basis phalangis
  • Surrounded by the capsula articularis
  • Strengthened via ligg. collateralia and lig. palmare
  • Movements include flexio, extensio phalangis mediae et distalis

Joints of the Pelvic Girdle and Lower Extremity

  • Joints of the pelvic girdle: art. sacroiliaca, syndesmoses (membrana obturatoria, lig. sacrospinale, lig. sacrotuberale), synchondrosis (symphysis pubica)
  • Joints of the free lower extremity include art. coxae, art. genus (knee), connections between bones of the lower leg (art. tibiofibularis, membrana interossea cruris, syndesmosis tibiofibularis, and artt. pedis

Syndesmoses of the Pelvic Girdle

  • Include the membrana obturatoria (with canis obturatorius), lig. sacrospinale (from spina ischiadica/os sacrum), and lig. sacrotuberale (tuber ischiadicum/os sacrum, os coccygis)
  • Key features: foramen ischiadicum minus and foramen ischiadicum majus

Synchondrosis of the Pelvic Girdle

  • Symphysis pubica includes facies symphysialis ossis pubis and discus interpubicus
  • Strengthened via lig. pubicum superius (between tuberculum pubicum above symphysis) and lig. pubicum inferius (between ramus inferior below symphysis)

Joints of the Pelvic Girdle: Art. Sacroiliaca

  • Articulation Surfaces: facies auricularis ossis sacri and facies auricularis ossis ilii
  • Surrounded by the capsula articularis
  • Strengthened via ligaments including sacroiliacum anterius et posterius and sacroiliacum interosseum
    • Sacrum / os ilium
    • Between tuberositas of both bones
  • Movements are minimal

Pelvis

  • Includes Os coxae (2), vertebrae lumbales IV,V. Os sacrum, Os coccygis
  • Pelvis breaks down into pelvis major (greater/false pelvis) and pelvis minor (lesser/true pelvis)
    • Major includes vertebrae lumbales and ala ossis ilii
    • Minor includes os sacrum, os coccygis, os coxae below linea terminalis

Pelvis Minor Openings

  • Apertura pelvis superior/pelvic inlet
    • Features linea terminalis which includes the following elements: promontorium/art. sacroiliaca/linea arcuata/eminentia iliopubica/ramus superior ossis pubis/lig. pubicum superius Apertura pelvis inferior/pelvic outlet
    • Includes the following elements: os coccygis/lig. sacrotuberale/tuber ischiadicum/ramus ossis ischii/ramus inferior ossis pubis/lig. pubicum inferius

Pelvis Minor Walls

  • Posterior Walls: facies pelvica ossis sacri and os coccygis
  • Lateral Walls: os coxae below linea arcuata, lig. sacrospinale, and lig. sacrotuberale
  • Anterior Walls: Ramus superior et inferior ossis pubis, Ramus ossis ischii, Membrana obturatoria and Symphysis pubica

Hip Joint (Art. Coxae)

  • Includes art. cotylica
  • Articulation surfaces: facies lunata acetabuli and facies articularis capitis femoris
  • Additional structure is the labrum acetabulare
  • Surrounded by the capsula articularis which includes the acetabulum and labrum acetabulare margin, linea intertrochanterica, above crista intertrochanterica

Hip Joint Ligaments

  • Includes both intracapsularia and capsularia ligaments
  • Intracapsularia: Lig. transversum acetabuli
  • Ligg. capsularia: Zona orbicularis

Lig. Intracapsularia of the Hip Joint

  • Lig. transversum acetabuli Facies lunata ends above incisura acetabuli
  • Lig. capitis femoris Incisura acetabuli/fovea capitis femoris

Lig. Capsularia of the Hip Joint

  • Zona orbicularis Spina iliaca anterior inferior/encircles collum femois/Spina iliaca anterior inferior
  • Lig. iliofemorale Spina iliaca anterior inferior/linea intertrochanterica
  • Lig. pubofemorale Ramus superior ossis pubis/linea intertrochanterica next to trochanter minor
  • Lig. ischiofemorale Corpus ossis ischii/fossa trochanterica

Hip Joint (Art. Coxae/Art. Cotylica) Movements Include

  • Flexio, extensio femoris
  • Abductio, adductio femoris
  • Rotatio interna, rotatio externa femoris
  • Circumductio femoris
  • Flexio trunci

Knee Joint (Art. Genus/Art. Bicondylaris)

  • Articulation surfaces include facies articulares condyli medialis et lateralis femoris, facies articulares superiores condyli mediales et condyli lateralis tibiae, facies articularis patellae, and facies patellaris femoris
  • Surrounded by the capsula articularis

Additional Structures in Knee Joint

  • Cartilages: meniscus medialis, meniscus lateralis Connective tissue: ligamenta, bursae, plicae, villi

Menisci

  • Meniscus medialis: crescent-like
  • Meniscus lateralis: incomplete circle
  • MM/ML letters on menisci

Knee Joint (Art. Genus/Art. Bicondylaris) Ligaments

  • Includes both intracapsularia and extra capsularia/capsularia ligaments

Ligg. Intracapsularia

  • Lig. cruciatum anterius
    • Condylus lateralis femoris/area intercondylaris anterior tibiae
  • Lig. cruciatum posterius
    • Condylus medialis femoris/area intercondylaris posterior tibiae
  • Lig. transversum genus
    • Between menisci

Ligg. Extracapsularia/Capsularia

  • Lig. collaterale tibiale
    • Epicondylus medialis femoris/condylus medialis tibiae
  • Lig. collaterale fibulare
    • Epicondylus lateralis femoris/caput fibulae
  • Lig. patellae
    • Apex patellae/tuberositastibiae

Ligg. Extracapsularia/Capsularia (cont.)

  • Retinaculum patellae mediale -Patella lateral margin/condylus medialis tibiae
  • Retinaculum patellae laterale -Patella lateral margin/condylus lateralis tibiae
  • Ligg. Extracapsularia/Capsularia fixates patella
  • Lig. popliteum obliquum -Condylus medialis tibiae/condylus lateralis femoris in the back
  • Lig. popliteum arcuatum -Caput fibulae/lig. popliteum obliquum
  • Capsule provides fixates

Other Knee Structures

  • Plicae synovial, bursae, villi
  • Plicae synoviales -Apex patellae/fossa intercondylaris femoris
  • Plicae alares (2) Patella lateral Margins/plica synovialis infrapatellaris Filled with adipose tissue
  • Bursae suprapatellaris (#3), infrapatellaris profunda (#8), subcutanea infrapatellaris (#7), Bursa subcutanea prepatellaris (#1),subfascialis prepatellaris (#2), subtendinea prepatellaris (#10)

Knee Joint (Art. Genus) Movements

  • Flexio, extensio cruris
  • Rotatio interna, rotatio externa cruris

Connections Between Bones of the Lower Leg

  • Membrana interossea cruris is stretched between the tibial and fibular margo interosseus
  • Art. tibiofibularis (art. plana)
  • Facies articularis fibularis tibiae, facies articularis capitis fibulae
  • Surrounds capsula articularis Syndesmosis tibiofibularis -Lig. tibiofibulare anterius,lig. tibiofibulare posterius

Joints of the Foot (Artt.Pedis)

Art. Talocruralis (Ginglymus) Articulation Surfaces

  • Facies superior tali
  • Facies articularis inferior tibiae
  • Facies malleolaris medialis tali
  • Facies articularis malleoli medialis tibiae
  • Facies malleolaris lateralis tali
  • Facies articularis malleoli lateralis fibulae
  • Surrounded by capsula articularis

Art. Talocruralis (Ginglymus) Strength

  • Lig. collaterale mediale (deltoideum)
  • Pars tibiotalaris anterior with Malleolus medialis/talus
  • Pars tibiotalaris posterior with Malleolus medialis/talus
  • Pars tibionavicularis -Malleolus medialis/os naviculare
  • Pars tibiocalcanea with Malleolus medialis/sustentaculum tali

Art. Talocruralis (Ginglymus) contd

  • Lig. collaterale laterale (on foot), which includes the following
  • Talofibulare anterius and Malleolus latrealis/talus
  • Talofibulare posterius and Malleolus lateralis/talus
  • Calcaneaofibulare and Malleolus lateralis/calcaneus

Art. Talocruralis (Ginglymus) Movements

  • Flexio, extensio pedis
  • Abductio, adductio pedis

Art. Subtalaris (S Talocalcanea)

  • Lower posterior talus surface
  • Upper posterior calcaneus surface
  • Surrounded by capsula articularis

Tarsi Transversa

  • Known as Chopart Joint
  • talocalcaneonavicularis and calcaneocuboidea art

Localcaneonavic Ularis (Art. Speroidea)

  • Talus lower anterior and middle surface < calcaneus upper anterior and middle surface
  • Caput tali < os naviculare posterior surface
  • Lig. caneonaviculare plantare, and capsula artcularis,
  • Art subtalaris together

Localcaneonavic Ularis (Art. Speroidea) Movements

  • Suponato, adducto pedis
  • Pronato abduction pedis

Calcaneocuboidea

  • Lower anterior calcaneus surface
  • Upper posterior cuboideum surface Surrounded by capsula artcularis

Other Joints

  • Cuneonavic ularis (art. Plana) art, intercuneiformes, (Planae)
  • Surfaces
  • Articular Os naviculare interior surface.

Tarsome Tatarsales Art .Planae

  • Joint with cuneiforme art with metatarsalia interosseum
  • Movement Minimal
  • Os cuboiduem with tarsalia m+ V
  • Curneforme medale with tarsalia
  • Curneiforme Inter et al with tarsalia

Tarsome Tatasales Art. Planae

  • Tatarsal mediale os II interossea
  • Longum tatarsl

Ligamenta Stars strengthen art Talar transversa

  • Light Calcaneonaviculare
  • Light caneo-cuboideum

Art Intermetatasalea

  • Lig metatarsalia dorsal - lateral surface
  • Provide art support during adjestment
  • capsule articularis .

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