Chapter 16

Question 1

The upper extremity muscles

Answer 1

Acts on the shoulder girdle and move the arm

Question 2

9 muscles that move the arm at shoulder girdle

Answer 2

Trapezius 
Pectoralis minor
Pectoralis major 
Latissimus dorsi 
Deltoid 
Biceps brachii
Brachialis 
Brachioradialis 
Tricep brachii

Question 3

3 muscles that move thigh and leg

Answer 3

Iliopsoas (major and minor)
Gluteus maximus
Adductor group

Question 4

Muscles the move lower leg (2)

Answer 4

Quadriceps group

Hamstrings group

Question 5

Muscle that move foot

Answer 5

Gastrocnemius

Question 6

Skeletal muscles have what 3 primary functions

Answer 6

Movement
Posture/muscle tone
Heat production

Question 7

Good posture is

Answer 7

Keeping the body center of gravity over its base, requiring the lest muscular work to maintain

• reduces strain on muscles, tendons, ligaments, bones
• keep our head from flopping forward

Question 8

Poor posture can cause

Answer 8

Fatigue and lead to disformity

Question 9

Muscles exert a _______ on bones in the ________ of gravity

Answer 9

Continual pull

Opposite direction from gravity

Question 10

The nervous system for the existence of __________ and also for _______ and ________ of the amount of ___________ by individual muscle

Answer 10

Muscle tone and also for regulation and coordination

Pull exerted by individual

Question 11

The ____,____,____ and _____ systems all contribute to maintain posture

Answer 11

Respiratory, digestive, excretoy and endocrine