Muscles: Part 2

What is the longest muscle in the human body?

• sartorius

• gastrocnemius

• gluteus maximus

• rectus femoris

How many muscles are there in the human body?

• 206

• 1000

• 10

• over 600

When a muscle is attached to a MOVING bone, this is called the

• origin

• insertion

Where is the origin of the pectoralis?

• humerus

• sternum

• abdomen

• ulna

Which type of muscle brings a limb TOWARD the body?

• abductor

• adductor

The muscle group that helps the prime movers and protects from unwanted movements are known as 

• synergists

• antagonists

• secondary prime movers

How many GROUPS of skeletal muscles are there?

• 2

• 1

• 4

• 3

What period of muscle contraction is the time in which the tropomyosin is pulled away and calcium has connnected with the troponin?

• tetanus period

• synergist period

• latent period

• waiting period

How many main phases are there in muscle contraction and relaxation?

• 3

• 1

• 2

The point at which a muscle has hit MAXIMUM tension is called

• twitch

• tetanus

• latency

• relaxation