MUSCULAR SYSTEM

Question 1

What are the 3 main Types of Muscle Tissue?

Answer 1

Question 2

What is the Structure of Skeletal Muscle?

Answer 2

Question 3

What are the REGIONS OF A SKELETAL MUSCLE

Answer 3

1. Origin: Attachment to a stationary bone.
2. Insertion: Attachment to the bone that moves.
3. Body: The main part of the muscle.

Question 4

What is the Muscle Fiber Structure?

Answer 4

Question 5

What are the Functions of Skeletal Muscles?

Answer 5

Question 6

MUSCLE CONTRACTION

Answer 6

Question 7

What are the Effects of Exercise?

Answer 7

*Strength Training: Increases the number of myofilaments, causing muscle hypertrophy.

*Endurance Training: Increases muscle efficiency, oxygen delivery, and mitochondrial density without increasing muscle mass.

Question 8

What are the Major Muscle Groups?

Answer 8

Question 9

Angular movements

Answer 9

*Flexion: Decreases an angle
*Extension: Increases an angle
*Abduction: Away from the midline
*Adduction: Toward the midline

Question 10

Circular movements

Answer 10

*Rotation: Around an axis

*Circumduction: Move the distal end of a part in a circle

*Supination and pronation: Hand positions that result from twisting the forearm

Question 11

Special movements

Answer 11

*Dorsiflexion: the dorsum, or top, of the foot is elevated with the toes pointing upward

*Plantar flexion: the bottom of the foot is directed downward so that you are, in effect, standing on your toes

-Inversion: turn the ankle so that the bottom of the foot faces toward the body’s midline.

-Eversion: turns the ankle so that the bottom of the foot faces toward the side of the body