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Muscular Force Diagram Problem: – Elbow Flexion

Muscular Force Diagram Problem: – Elbow Flexion

1        Draw the FBD for flexion of the humeroulnar joint.
a. Assume the person is facing the right side of the page and the movement is an angular arc moving to the right of the page.
b. The person is standing and the starting position is 30 degrees from the vertical plane. Assume the upper arm is held straight throughout the ROM.

2        Label all force vectors, angle, and distances.

3        Calculate the force exerted by the biceps brachii muscle on the ulna during 45 degrees of flexion toward horizontal, given the following data and formula:
Distance from humeroulnar joint to biceps brachii insertion Best Essay Writing Services | EssayBureau.com
Radius/ulna centre of mass length Best Essay Writing Services | EssayBureau.com
Distance from humeroulnar joint to wrist Best Essay Writing Services | EssayBureau.com
Mass of radius/ulna Best Essay Writing Services | EssayBureau.com
Mass of weight Best Essay Writing Services | EssayBureau.com
Angle of bicep brachii Best Essay Writing Services | EssayBureau.com degrees

 

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