Muscles: Types/Function/Major Muscles

Question 1

What are the 3 main functions of muscles?

Answer 1

• Body Movement
• Adequate Posture
• Essential Body Fucntions

Question 2

Name 2 of the many features of muscles

Answer 2

• Controlled by nervous system
• Contractility
• Extensibility
• Elasticity
• Atrophy
• Hypertrophy
  * Always work in pairs or groups

Question 3

State 3 types of muscles

Answer 3

• Smooth Muscle
• Cardiac Muscle
• Skeletal Muscle

Question 4

What is the role of smooth muscle?

Answer 4

Smooth muscles are involuntary muscles that have smooth, slow, sustained and rhythmic muscular contractions and have high endurance. Usually aid in bodily functions and found in organs.

Question 5

What is the role of Cardiac Muscle

Answer 5

Cardiac muscle is key to the heart beating, and is only found in the heart. Have rhytmic contractions to help push blood to rest of the body. Hard to fatigue muscles.

Question 6

What is the role of Skeletal Muscle

Answer 6

Skeletal muscle is voluntary muscle that attaches to bone. Contraction of skeletal muscle creates movement.

Question 7

Name 4 major muscles in our back

Answer 7

Trapezius, Latissimus Dorsi, Rhomboids, Erector Spinae

Question 8

Name 4 major muscles in our arms

Including shoulders

Answer 8

Deltoids, Biceps Brachii, Triceps Brachii and Wrist Flexors

Question 9

Name the major muscle in our chest

Answer 9

Pectoralis Major

Question 10

Name the other 3 major muscles in the anterior side of the runk of our body

Answer 10

Serratus Anterior, Rectus Abdominis, Obliques

Question 11

Name the 5 major muscles in our upper legs

Butt included

Answer 11

Gluteus Maximus, Hamstrings, Quadriceps, Sartorius, Adductors

Question 12

Name the 3 major muscles in our lower legs

Answer 12

Gastrocnemius, Soleus, Tibialis Anterior