What is the torque created by the dumbbell

Reference no: EM13332391

1) Matthew holds a 50 lbs dumbbell in his hand with his elbow flexed at 90 degrees. His forearm is parallel with the ground. The resultant distance from the dumbbell to his elbow is 28 cm.

a. What is the torque created by the dumbbell about the elbow joint?

b. What torque must be created by the elbow flexor muscles to hold the weight still?

2) Matthew holds a 50 lbs dumbbell in his hand with his elbow flexed at 90 degrees. His forearm is at a 45 degree angle with the horizontal (elbow angle is 135 degrees) with the ground. The resultant distance from the dumbbell to his elbow is 28 cm.

a. What is the torque created by the dumbbell about the elbow joint?

b. What torque must be created by the elbow flexor muscles to hold the weight still?

Reference no: EM13332391

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