Unit 3 Test: The Muscular System

Question 1

A tendon connects _________ to _________ and can be called an _____________ when it extends as a sheet-like covering of the muscle.

Answer 1

Bone; muscle; aponeurosis

Question 2

Name the 3 types of muscle and give examples of each.

Answer 2

1) skeletal: movement of bones at joints; biceps brachii
2) smooth: walls of hollow viscera; blood vessels
3) cardiac: heart

Question 3

What is the difference between the origin and the insertion of a skeletal muscle?

Answer 3

Origin= the end of the muscle that fastens to a fixed point
Insertion= the end of the muscle that fastens to a movable point

Question 4

Name the origin and insertion: trapezius

Answer 4

O: occipital bone, spine (T1-T12)
I: clavicle, scapula

Question 5

Name the origin and insertion: pectoralis major

Answer 5

O: clavicle, sternum, upper ribs
I: humerus

Question 6

Name the origin and insertion: deltoid

Answer 6

O: clavicle, scapula
I: humerus

Question 7

Name the origin and insertion: biceps brachii

Answer 7

O: scapula
I: radius

Question 8

Name the origin and insertion: triceps brachii

Answer 8

O: scapula and humerus
I: ulna

Question 9

Name the origin and insertion: gluteus Maximus

Answer 9

O: sacrum, coccyx, ileum
I: femur

Question 10

Name the origin and insertion: biceps femoris

Answer 10

O: ischium, femur
I: tibia and fibula

Question 11

Name the origin and insertion: rectus femoris

Answer 11

O: ileum, acetabulum
I: patella

Question 12

Name the origin and insertion: gastrocnemius

Answer 12

O: femur
I: calcaneus

Question 13

Name the 3 muscles of the hamstring group.

Answer 13

1) biceps femoris
2) semitendinosus
3) semimembranosus

Question 14

Name the 4 muscles of the quadriceps group.

Answer 14

1) rectus femoris
2) vastus lateralis
3) vastus intermedius
4) vastus medialis

Question 15

What are the primary functions of skeletal muscle tissue?

Answer 15

Movement
Maintaining posture 
Temperature regulation
Storage of materials
Support