How muscles work

A push or a pull

• force

• muscle

• lever

• nothing

............ is a turning effect of a force .

• pivot

• elbow

• hinge

• A moment

A lever is the bar attached to a pivot .

• True

• False

To calculate moment , you should add force to perpendicular distance .

• True

• False

The measuring unit of moment is ..............

• Newton ( N )

• Newton meter ( Nm )

• meter

Muscles that present in legs are quadriceps and hamstrings

• True

• False

Flexion at the elbow cause biceps contract and triceps relax .

• True

• False