Body mechanisms: 2 questions

Question 1

What is the definition of body mechanisms?

Answer 1

Describes the coordinated efforts of the musculoskeletal and nervous system.

Question 2

What is the definition of body alignment?

Answer 2

positioning of joints, tendons, ligaments, and muscles.

Question 3

What does good alignment mean in the body?

Answer 3

stable center of gravity (similar to posture)

Question 4

Where is center of gravity located in the body?

Answer 4

Usually midline at 55-57% of their standing height.

Question 5

Muscle contraction and muscle length change; walking, swimming, jogging, bicycling,

Answer 5

Isotonic

Question 6

Tightening or tensing of muscles without moving the body parts; planks, wall sits, low squats, glute bridges; increase circulation to body parts and osteoblastic activity.

Answer 6

Isometric

Question 7

Contracting while pushing against a stationary object or resisting the movement of the object; push-ups; promote muscle strength and osteoblastic activity.

Answer 7

Resistive

Question 8

How much exercise is sufficient for an adult of moderate intensity aerobic exercise per week?

Answer 8

2 hours and 30 minutes

Question 9

the type and amount of exercise or work a person can do without undue exertion or injury.

Answer 9

Activity tolerance