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The rhomboid major arises from the spinous processes of the thoracic vertebrae T2 to T5 as well as the supraspinous ligament.
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rhomboid and major
* The dorsal scapular nerve innervates rhomboid major and minor.
* Rhomboid major and rhomboid minor
Levator scapulae forms part of the latter group together with rhomboid major, rhomboid minor, serratus anterior, and trapezius.
The rhomboid major is a skeletal muscle on the back that connects the scapula with the vertebrae of the spinal column.
The rhomboid major is considered a superficial back muscle.
As the word rhomboid suggests, the rhomboid major is diamond-shaped.
The rhomboid major helps to hold the scapula ( and thus the upper limb ) onto the ribcage.
The rhomboid major, like the rhomboid minor, is innervated by the ventral primary ramus via the dorsal scapular nerve ( C5 ).
If the rhomboid major is torn, wasted, or unable to contract, scapular instability may result.
The implications of scapular instability caused by the rhomboid major include scapular winging during scapular protraction, excessive lateral rotation and depression of the scapula, as the antagonistic action of the rhomboid major is absent.
Stretching from the spine to the scapula, rhomboid major forms part of the latter group together with rhomboid minor, serratus anterior, levator scapulae, and trapezius.
Located inferior to levator scapulae and superior to rhomboid major, it acts together with the latter to keep the scapula pressed against the thoracic wall.
Together with the rhomboid major, the rhomboid minor retracts the scapula when trapezius is contracted.
It is usually separated from the rhomboid major by a slight interval, but the adjacent margins of the two muscles are occasionally united.
Serratus anterior forms part of the latter group together with rhomboid major, rhomboid minor, levator scapulae, and trapezius.
rhomboid and arises
The rhomboid minor arises from the inferior border of the nuchal ligament, from the spinous processes of the seventh cervical and first thoracic vertebrae, and from the intervening supraspinous ligaments.
rhomboid and from
In about 100, the entire character is adopted without little change apart from skewing the frame from square to rhomboid, sometimes reversing them ( mirror image ), and often reducing the number of strokes.
Both rhomboid muscles also derive their arterial blood supply from the dorsal scapular artery.
The rhomboid minor gets its arterial blood supply from the dorsal scapular artery.
In its simplest form, the drive utilizes a jointed rhomboid to convert linear work from a reciprocating piston to rotational work.
Hanging from this double circle was a circle with the inscription ΖΩΗ (" life "), and this enclosed two other circles which intersected each other and formed a rhomboid.
rhomboid and thoracic
In human anatomy, it acts together with the rhomboid minor to keep the scapula pressed against thoracic wall and to retract the scapula toward the vertebral column.
rhomboid and vertebrae
In human anatomy, the rhomboid minor is a small skeletal muscle on the back that connects the scapula with the vertebrae of the spinal column.
rhomboid and well
It too has the general rhomboid shape of the Mark I and later heavy tanks combined with a fixed armoured structure, or Casemate, well forward, fitted with ball-mounts for five machine guns.
rhomboid and .
In Samoa the constellation is called Sumu (" triggerfish ") because of its rhomboid shape, while α and β Centauri are called Luatagata ( Two Men ), just as they are in Tonga.
The left flank was generally covered by allied cavalry supplied by the Thessalians, which fought in rhomboid formation and served mainly in a defensive role.
Its shape, more a rhomboid than a square, was intended to counteract the effects of perspective.
The Necker cube is an optical illusion first published as a rhomboid in 1832 by Swiss crystallographer Louis Albert Necker.
As part of the overall armour of rhomboid cosmin scales, the skull had a full cover of dermal bone, constituting a skull roof over the otherwise shark-like cartilaginous inner cranium.
Nicknamed " The Refrigerator " for his gargantuan, almost rhomboid, frame, Perry was and weighed at his peak weight.
Gill plates operculum too, although present are not visible, overlaid by the tough skin, covered with rough, rhomboid scales, that forms a stout armor on their body.
It provides motor innervation to the rhomboid muscles, which pull the scapula towards the spine and levator scapulae muscle, which elevates the scapula.
Traditionally, in two-dimensional geometry, a rhomboid is a parallelogram in which adjacent sides are of unequal lengths and angles are oblique.
A parallelogram with sides of equal length ( equilateral ) is a rhombus but not a rhomboid.
A parallelogram with right angled corners is a rectangle but not a rhomboid.
The term rhomboid is now more often used for a parallelepiped, a solid figure with six faces in which each face is a parallelogram and pairs of opposite faces lie in parallel planes.
Euclid never used the definition of rhomboid again and introduced the word parallelogram in Proposition 31 of Book I ; " In parallelogrammic areas the opposite sides and angles are equal to one another, and the diameter bisects the areas.
" Heath suggests that rhomboid was an older term already in use.
The rhomboid has no line of symmetry, but it has rotational symmetry of order 2.
In biology, rhomboid may describe a geometric rhomboid ( e. g. the rhomboid muscles ) or a bilaterally-symmetrical kite-shaped or diamond-shaped outline, as in leaves or cephalopod fins
Microscopically, they are characterized by cutis-type pileipellis, lack of chrysocystidia, and spores that are smooth, ellipsoid to rhomboid to subhexagonal in shape, with a distinct apical germ pore.
0.141 seconds.