Shoulder
horizontal abduction
hamstring
horizontal abduction
flexion exstention
Flexion
To see eccentric contraction, look at the biceps curl with flexion around the elbow. As you lower a weight, you are working against resistance, letting the joint angle increase to lower that object under your control.The opposite is the concentric contraction were the arm is flexed upward to decrease the angle at the elbow.
[pectoralis major
Concentric
It should not. A U-Joint that is worn will make a knocking sound when it starts or reverses.
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Remove the tire and wheel. Remove the brake assembly and rotor. Remove the retaining nut from the ball joint. Pound the ball joint out with a hammer. Reverse the process to install the new ball joint.
You will need to remove the tire and wheel from your Oldsmobile. Remove the retaining not on top of the ball joint. Pound the ball joint out. Reverse the process to install your new lower ball joint.