PASCO ME-6807A Human Arm Model User Manual

Page 31

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M E - 6 8 0 7 A

T e a c h e r ’ s N o te s

31

Part B, typical result:

Part B, analysis:

1. The

graph is not linear. 2. As the
elbow flexes, the biceps force
decreases.

Further Study:

The

biceps force remains nearly
constant when the shoulder is
held at about 30°.

Experiment 5: Biceps Force versus Shoulder Angle, Constant Elbow Angle

Typical Result:

Analysis:

1. The graph is

not linear. 2. As the arm lifts
the mass, the biceps force
decreases.