...Of the movements performed by the humerus, flexion andextension are the most extensive; those of abduction andadduction are much less so... 
Édouard Cuyer 「Artistic Anatomy of Animals」
..., flexion and extension...
Édouard Cuyer 「Artistic Anatomy of Animals」
...—In this articulation, which is constructed inthe form of a true hinge, the movements of flexion and extensionalone are possible...
Édouard Cuyer 「Artistic Anatomy of Animals」
...In flexion, the forearm, directedforwards, is folded on the arm, with which, in certain circumstances,it comes in contact...
Édouard Cuyer 「Artistic Anatomy of Animals」
...In flexion, the hand is bent backwards; in extension itis carried forwards...
Édouard Cuyer 「Artistic Anatomy of Animals」
...During flexionthey are impossible, because of the tension of the lateralligaments, which increases as the flexion is more pronounced...
Édouard Cuyer 「Artistic Anatomy of Animals」
...In flexion, the leg bends on the thigh;its inferior extremity is directed upwards and backwards;the angle which the tibia naturally forms with the femurbecomes less obtuse...
Édouard Cuyer 「Artistic Anatomy of Animals」
...At this moment, notwithstanding the direction, whichrecalls that which it has at the time of flexion, the leg is notbent on the thigh; on the contrary, it is almost in the lineof its continuation ()...
Édouard Cuyer 「Artistic Anatomy of Animals」
...The leg and the astragalus, in a general way, are placed incontact by such articular surfaces that the resulting joint,which is a true hinge, permits movements of flexion and extensiononly...
Édouard Cuyer 「Artistic Anatomy of Animals」
...During flexion, the anterior surface of the foot tends toapproach the anterior surface of the leg, the angle formedby these two segments becoming more and more narrowed...
Édouard Cuyer 「Artistic Anatomy of Animals」
...This movement is changed to direct flexion whenthe two sterno-mastoid muscles contract simultaneously...
Édouard Cuyer 「Artistic Anatomy of Animals」
...We know that, in this case, the epicondyle is exposed,because the muscles which mask it in supination (long supinatorand long radial extensor) are displaced and set it freeduring flexion...
Édouard Cuyer 「Artistic Anatomy of Animals」
...It is truethat in the human being this is its action; but in quadrupeds, owing to itsinsertion into the pisiform, it draws the hand into the position of flexion...
Édouard Cuyer 「Artistic Anatomy of Animals」
...Ginglymus: a hinge joint that permits flexion in oneplane...
John. B. Smith 「Explanation of Terms Used in Entomology」
...This flexion of the plastron,combined with its naturally up-turned anterior edge, cause it tofunction in the manner of a sled runner when the turtle is movingforward...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...Under the influence of this weight flexion was produced, but only at the end...
Frédéric Houssay 「The Industries of Animals」
...The animalsthemselves are lifelike, each with the gait and action and flexion of thelimbs peculiar to its species...
Gaston Camille Charles Maspero 「Manual Of Egyptian Archaeology And Guide To The Study Of Antiquities In Egypt」
...If we continue the curve formed by the three stars γ, α, andδ in Perseus, and if we bend round this curve gracefully into oneof an opposite flexion, in the manner shown in Fig...
Robert Stawell Ball 「The Story of the Heavens」
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