5. For the free body diagram of the forearm and hand shown below, calculate the biceps muscie force, Fm, and the x- and y-components of the elbow joint reaction forces, Fx and Fy. The forearm is 35° below the horizontal and E- makes an 80° angle with the horizontal as shown. The load in the hand, L, is 20 lbs and the weight of the forearm and hand, W, is 4 lbs. 1he distance from the elbow to the musele origin EO is 2 in, to the center of mass of the forearm and hand, EW, is 7 in and to the load in the hand, EL, is 15 in. Fm Fy 80 E Ft 35°

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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force, Fm, and the x- and y-components of the elbow joint reaction forces, Fx and Fy. The
frearm is 35° below the horizontal and En makes an 80° angle with the horizontal as shown.
The load in the hand, L, is 20 lbs and the weight of the forearm and hand, W, is 4 Ibs. The
distance from the elbow to the muscle origin, EO, is 2 in, to the center of mass of the forearm
and hand, EW, is 7 in and to the load in the hand, EL, is 15 in.
5. For the free body diagram of the forearm and hand shown below, calculate the biceps muscle
, respec
art of the
de of the
radius.
ndyloid
and the
A Fm
35°
and
of the
roup
2s an
Fx
peen
and
తూ
Transcribed Image Text:force, Fm, and the x- and y-components of the elbow joint reaction forces, Fx and Fy. The frearm is 35° below the horizontal and En makes an 80° angle with the horizontal as shown. The load in the hand, L, is 20 lbs and the weight of the forearm and hand, W, is 4 Ibs. The distance from the elbow to the muscle origin, EO, is 2 in, to the center of mass of the forearm and hand, EW, is 7 in and to the load in the hand, EL, is 15 in. 5. For the free body diagram of the forearm and hand shown below, calculate the biceps muscle , respec art of the de of the radius. ndyloid and the A Fm 35° and of the roup 2s an Fx peen and తూ
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