fifth metatarsal bone

Information about fifth metatarsal bone

Bone: Fifth metatarsal bone
The fifth metatarsal. (Left.)
Bones of the right foot. Dorsal surface.
Latinos metatarsale V
subject #64 274
The fifth metatarsal bone is recognized by a rough eminence, the tuberosity, on the lateral side of its base.

The base articulates behind, by a triangular surface cut obliquely in a transverse direction, with the cuboid; and medially, with the fourth metatarsal.

On the medial part of its dorsal surface is inserted the tendon of the Peronæus tertius and on the dorsal surface of the tuberosity that of the Peronæus brevis.

A strong band of the plantar aponeurosis connects the projecting part of the tuberosity with the lateral process of the tuberosity of the calcaneus.

The plantar surface of the base is grooved for the tendon of the Abductor digiti quinti, and gives origin to theFlexor digiti quinti brevis.

The base of the metatarsal is often injured and a particularly notorious fracture is the Jones fracture.

Additional images


X-ray of foot, showing phalangeal fracture




This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
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Bones of lower limbs
femurhead of femur (fovea capitis femoris) - neck of femur - greater trochanter - trochanteric fossa - lesser trochanter - tubercle of the femur - intertrochanteric line - intertrochanteric crest - linea quadrata - body of femur (linea aspera, third trochanter, pectineal line, adductor tubercle) - lower extremity of femur (lateral condyle, medial condyle, lateral epicondyle, medial epicondyle, patellar surface)
tibiaupper extremity - medial condyle - lateral condyle - intercondyloid eminence - tuberosity of the tibia - posterior intercondyloid fossa - anterior intercondyloid fossa
body of tibia - soleal line - lower extremity - medial malleolus
fibulahead of fibula - body of fibula - lateral malleolus
tarsuscalcaneus (sustentaculum tali, trochlear process) - talus - cuboid - medial cuneiform - intermediate - lateral
metatarsus1st metatarsal - 2nd - 3rd - 4th - 5th
otherpatella - phalanges of the foot
Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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The metatarsus consists of the five long bones of the foot, which are numbered from the medial side (ossa metatarsalia I.-V.); each presents for examination a body and two extremities. These are analogous to the metacarpals of the hand.
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Transverse may refer to:
  • Transversality, a concept related to the intersection of manifolds in topology
  • Transverse City, an album by Warren Zevon

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The cuboid bone is one of seven tarsal bones.

Articulations

Distally, the Cuboid articulates with the fourth and fifth metatarsals, forming the fourth and fifth tarsometatarsal joints.
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The fourth metatarsal bone is smaller in size than the third; its base presents an oblique quadrilateral surface for articulation with the cuboid; a smooth facet on the medial side, divided by a ridge into an anterior portion for articulation with the third metatarsal, and a
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The peroneus brevis muscle (or fibularis brevis) lies under cover of the peroneus longus, and is a shorter and smaller muscle.

Origin and insertion

It arises from the lower two-thirds of the lateral surface of the body of the fibula; medial to the Peronæus longus;
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The plantar fascia (or plantar aponeurosis) is the thick connective tissue which supports the arch of the foot. It runs from the tuberosity of the calcaneus forward to the heads of the metatarsal bones. It is the source of the painful condition plantar fasciitis.
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In anatomy, a process (Latin: processus) is a projection or outgrowth of tissue from a larger body.

Examples

Examples of processes include:
  • the mastoid process
  • the xyphoid process

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Flexor digiti quinti brevis muscle can refer to:
  • Flexor digiti quinti brevis muscle (foot)
  • Flexor digiti quinti brevis muscle (hand)

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Jones fracture
Classification & external resources

The fifth metatarsal.
ICD-10 S 92.3
ICD-9 825.25 , 825.35

eMedicine radio/850   A Jones fracture is a fracture of the fifth metatarsal of the foot.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals.
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In common usage, a human leg is the lower limb of the body, extending from the hip to the ankle, and including the thigh, the knee, and the cnemis.[1] The largest bone in the human body, the femur, is in the leg.
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The femur or thigh bone is the longest, most voluminous, and strongest bone of mammalian bodies. It forms part of the hip and part of the knee.

The word femur is Latin for thigh.
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The femur head which is globular and forms rather more than a hemisphere, is directed upward, medialward, and a little forward, the greater part of its convexity being above and in front.
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fovea capitis femoris, which is situated a little below and behind the center of the head, and gives attachment to the ligamentum teres.

External links

  • Photo at brookdale.cc.nj.

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The femur neck is a flattened pyramidal process of bone, connecting the head with the body, and forming with the latter a wide angle opening medialward.

The angle is widest in infancy, and becomes lessened during growth, so that at puberty it forms a gentle curve from the
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The greater trochanter (great trochanter) of the femur is a large, irregular, quadrilateral eminence, situated at the junction of the neck with the upper part of the body.

It is directed a little lateralward and backward, and, in the adult, is about 1 cm.
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trochanteric fossa. This fossa is the point of insertion of four muscles. Moving from the inferior-most to the superior-most, they are: the tendon of the obturator externus muscle, the obturator internus, the superior gemellus and inferior gemellus.
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The lesser trochanter (small trochanter) of the femur is a conical eminence, which varies in size in different subjects

It projects from the lower and back part of the base of the neck.
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tubercle of the femur; it is the point of meeting of five muscles: the Gluteus minimus laterally, the Vastus lateralis below, and the tendon of the Obturator internus and two Gemelli above.
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Running obliquely downward and medialward from the tubercle of the femur is the intertrochanteric line (spiral line of the femur); it winds around the medial side of the body of the bone, below the lesser trochanter, and ends about 5 cm.
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intertrochanteric crest. Its upper half forms the posterior border of the greater trochanter, and its lower half runs downward and medialward to the lesser trochanter.

External links

  • SUNY Labs 12:st-0209
  • Norman/Georgetown lljoints (

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linea quadrata (or quadrate line), and gives attachment to the Quadratus femoris and a few fibers of the Adductor magnus.

This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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The body of the femur (or shaft), almost cylindrical in form, is a little broader above than in the center, broadest and somewhat flattened from before backward below.
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The linea aspera is a ridge of roughened surface on the posterior aspect of the femur, to which are attached muscles and intermuscular septa.

Its margins diverge above and below.
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third trochanter, is occasionally developed.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated.
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On the posterior surface of the femur, the intermediate ridge or pectineal line is continued to the base of the lesser trochanter and gives attachment to the pectineus muscle.

This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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adductor tubercle, which affords insertion to the tendon of the Adductor magnus.

External links

  • SUNY Labs 12:os-0206
  • Diagram at gla.ac.uk
This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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