The fulcrum in this case would be your elbow joints. more specifically the trochlea and capitulum on the humerus which articulate with the radius and ulna
Capitulum is my favorite word.
The trochlea lie medial to the capitulum on the humerous.
The capitulum on the humeral condyle articulates with the head of the radius to form a pivot joint.
Capitulum
The capitulum. Or you mean the head. Head
Capitulum articulates with the head of radius
prefix of articulate
The act or process by which articulate sounds are uttered; the utterance of articulate sounds; articulate speech.
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Capitulum is a kind of inflorescence found mostly in the family Asteraceae. It is characterized by the presence of two types of florets: ray florets and disc florets. It looks like a single large flower but is actually an inflorescence.Example: Sunflower.
Articulate means to speak very well and fluent