Which type of muscle contraction is used as a braking mechanism todecrease the velocity of the arm after the ball has left your hand?
A eccentric
What is the function of a muscle acting as a neutralizer?
A prevents undesired joint rotation caused by the contracting muscles
What is the function of a muscle acting as a stabilizer?
A causes the opposite joint rotation to the one desired
B cooperates with other muscles to create the desired joint rotation
C prevents undesired joint rotation caused by the contracting muscles
D contracts to keep the two bones making up the joint from separating
D contracts to keep the two bones making up the joint from separating
Which of the following illustrates eccentric muscle contraction of the hipextensors?
A bending forward with knees straight to touch the floor
In order to reduce "form drag," you should:
D reduce the cross-sectional area
Which of the following statements is true of the Magnus force?
D both A and B
A runner having an absolute velocity of +6 m/s is running on a windy day. The wind has an absolute volocity of +3 m/s. The relative velocity is ___.
B 3m/s
An object will float if____
E none of the above
A joint that allows uniaxial rotation of articulating bone surfaces around a longitudinal axis is called
A a pivot joint
A lever in the which the force acting on the lever is in between the fulcrum and the resistance is called a
B 3rd class lever
A joint that is "freely movable" and "highly mobile" wold be classified as