Muscular System 2;

Front 1

deltoid;

Back 1

prime mover for shoulder abduction.

Front 2

diaphragm;

Back 2

an unpaired muscle that acts with the muscles named immediately above to accomplish inspiration.

Front 3

external intercostal;

Back 3

deep muscles of the thorax that promote the inspiratory phase of breathing.

Front 4

external oblique;

Back 4

part of the abdominal girdle; forms the external lateral walls of the abdomen.

Front 5

internal oblique & transversus abdominis;

Back 5

besides two abdominal muscle pairs named above, two muscle pairs that help form the natural abdominal girdle.

Front 6

pectoralis major;

Back 6

prime mover for shoulder flexion and adduction.

Front 7

rectus abdominis;

Back 7

the name means straight muscle of the abdomen.

Front 8

sternocleidomastoid;

Back 8

acting alone, each muscle of this pair turns the head toward the opposite shoulder.

Front 9

*deltoid;

Back 9

shoulder muscle that is the antagonist of the muscle just described.

Front 10

*erector spinae;

Back 10

prime mover of back extension; a deep composite muscle consisting of three columns.

Front 11

*latissmus dorsi;

Back 11

muscle that adducts the shoulder and causes extension of the shoulder joint.

Front 12

*trapezius;

Back 12

muscle that allows you to shrug your shoulders or extend your head.

Front 13

-adductors;

Back 13

muscle group that allows you to draw your legs to the midline of your body as when standing at attention.

Front 14

-gastrocnemius;

Back 14

toe dancer's muscle; a two-bellied calf muscle.

Front 15

-gluteus maximus;

Back 15

used to extend hip when climbing stairs.

Front 16

-gluteus medius;

Back 16

smaller hip muscle commonly used as an injection site.

Front 17

-peroneus muscles;

Back 17

muscle group of the lateral leg; plantar flex and evert the foot.

Front 18

-iliopsoas;

Back 18

hip flexor, deep in pelvis; a composite of two muscles.

Front 19

-hamstrings;

Back 19

muscle group that extends the thigh and flexes the knee.

Front 20

-quadriceps;

Back 20

muscle group that extends the knee.

Front 21

-sartorius;

Back 21

strap like muscle that is a weak thigh flexor; the tailor's muscle.

Front 22

-tibialis anterior;

Back 22

inverts and dorsiflexes the foot.

Front 23

|biceps brachii;

Back 23

muscle that allows you to bend (flex) the elbow.

Front 24

|deltoid;

Back 24

powerful shoulder abductor, used to raise the arm overhead.

Front 25

|extensor carpi radialis;

Back 25

wrist flexor that follows the ulna.

Front 26

|extensor digitorum;

Back 26

muscle that extends the fingers.

Front 27

|flexor digitorum superficialis;

Back 27

muscle that flexes the fingers.

Front 28

|triceps brachii;

Back 28

muscle that extends the elbow.