muscles pull the bones up and down
If you hold it by the end of the wand in your thumb and four finger and move your ARM up and down quickly, i looks like it bends
press down upon the left clicker and agressively bend the arm backwards, then pull as hard as you can
Yes your tricep and bicep both work together to help bend your arm.
bend up : slide the chord up bend down : slide the chord down
when you bend your arm
Triceps does not help to bend your arm. It helps to straighten your upper limb across the elbow.
You bend it backwards. Or bend it behind your back.
No you can not.
your biceps contract and your triceps relax
The wiper arm (not the wiper blade) has a u shape bend on the end of the arm. So you have to pull the arm away from the Jeep, then turn the blade a half turn, pivoting it around the end of the arm, then pushing down towards the bottom of the arm.
at the elbow. "Flexion of the arm" just means to bend it.
your elbow