Pasco ME-6807A Human Arm Model User Manual

®Instruction Manual withExperiment Guide andTeacher’s Notes012-10359AHuman Arm ModelME-6807A

®Human Arm Model Experiment 1: Biceps Force versus Perpendicular Load10Procedure1. Start data collection.2. Hook the second force sensor onto to the m

®11Experiment 2: Biceps Force versus WeightIntroductionLet your arm hang vertically at your side. While keeping your upper arm vertical, bend your elb

®Human Arm Model Experiment 2: Biceps Force versus Weight12Procedure1. Start data collection.2. Hook the second force sensor onto to the model’s hand

®13Experiment 3: Triceps Force versus Perpendicular LoadIntroductionHold your arm in front of you with your elbow bent at 90°. Now have your partner p

®Human Arm Model Experiment 3: Triceps Force versus Perpendicular Load14Procedure1. Start data collection.2. Hook the second force sensor onto to the

®15Experiment 4: Biceps CurlPart AIntroductionLet your arm hang vertically at your side. Hold a mass in your hand. Without moving your upper arm, flex

®Human Arm Model Experiment 4: Biceps Cequipment63. Stop data collection.Analysis1. Is the graph linear?2. As the elbow flexes does the biceps force increa

®17Experiment 5: Biceps Force versus Shoulder Angle, Constant Elbow AngleIntroductionHold a mass in your hand with your elbow at 90° so that your uppe

®Human Arm Model Experiment 5: Biceps Force versus Shoulder Angle, Constant Elbow 186. Set the sampling rate of the force sensor to 20 Hz.7. Prepare a

®19Experiment 6: Biceps Force versus Elbow Angle, Constant Forearm OrientationIntroductionHold a mass in your hand with your elbow at 90° so that your

Human Arm Model Table of ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

®Human Arm Model Experiment 6: Biceps Force versus Elbow Angle, Constant Forearm 207. Prepare a graph to plot biceps force versus elbow angle.Procedur

®21Experiment 7: Triceps ExtensionPart AIntroductionHold a mass in your hand. Stretch your arm straight up. Bend your elbow at 90° so that your forear

®Human Arm Model Experiment 7: Triceps Extension22Procedure1. Hold the forearm horizontal by pulling with the force sensor.2. Start data collection.3.

®23Experiment 8: Rotational Inertia of the ForearmIntroductionIn this experiment, you will use two different methods to estimate the rotational iner-t

®Human Arm Model Experiment 8: Rotational Inertia of the Forearm24Part BSet-up1. Clamp the arm model horizon-tally as illus-trated.2. Clamp the rod to

®25Demonstrations: Complex MovementsIntroductionIn the following demonstrations, the arm model is set up to perform motions involv-ing simultaneous ro

®Human Arm Model Demonstrations: Complex Movements 26“Passing Lift”1. Set up the arm model with two force sensors as illustrated. The upper force sens

®ME-6807A Demonstrations: Complex Movements 27“Free Throw”When using the arm model to throw a ball (or make any other sudden movement), do not let th

®Human Arm Model Teacher’s Notes 28Teacher’s NotesExperiment 1: Biceps Force versus Perpendicular LoadTypical Result: Analysis: 1. The rela-tionship i

®ME-6807A Teacher’s Notes 29Experiment 2: Biceps Force versus WeightTypical Result:Analysis: 1. The rela-tionship is linear with a slope of about 6 a

Human Arm ModelME-6807A®31112345678910Included with ME-6807A Replacement Part Number1. Human Arm Model ME-6807A2. 45 cm Rod ME-87363. Sensor-mounting

®Human Arm Model Teacher’s Notes 30Experiment 3: Triceps Force versus Perpendicular LoadTypical Result: Analysis: 1. The rela-tionship is approximatel

®ME-6807A Teacher’s Notes 31Part B, typical result: Part B, analysis: 1. The graph is not linear. 2. As the elbow flexes, the biceps force decreases.

®Human Arm Model Teacher’s Notes 32Experiment 6: Biceps Force versus Elbow Angle, Constant Forearm OrientationTypical Result: Analysis: 1. As the arm

®ME-6807A Teacher’s Notes 33Experiment 8: Rotational Inertia of the ForearmPart A, typical result: Part A, analysis:T =0.93sI = 0.0030 kg m2Part B, t

®Human Arm Model Technical Support 34Technical SupportFor assistance with any PASCO product, contact PASCO at:Limited WarrantyFor a description of the

®Human Arm Model Introduction 4IntroductionThe Human Arm Model simulates the muscles and motion of an actual human arm. Changes in position are measur

®ME-6807A Clamping the Arm Model to a Lab Bench 5Clamping the Arm Model to a Lab BenchThe base of the arm model must be clamped to a stable object su

®Human Arm Model Attaching Cords to the Arm Model 6Attaching Cords to the Arm Model Cords are used to represent the muscles of the upper arm. Dependin

®ME-6807A Using Sensors with the Arm Model 7Using Sensors with the Arm ModelNote: For more information about angle sensors, force sensors, and interf

®Human Arm Model Replacing the Elbow-stop Pad 8Replacing the Elbow-stop PadThe post that limits the travel of the elbow is padded with plastic tubing.

®9Experiment 1: Biceps Force versus Perpendicular LoadIntroductionHold your arm in front of you with your elbow bent at 90°. Now have your partner pul