Chapter 4 Principles Of Progression

Question 1

What are the 10 Movement progressions of pillar 4?

Answer 1

1.Static to dynamic
2.Sagittal to frontal to transverse
3.Bilateral to front/back to lateral stance
4.Challenge position relative to gravity
5.Increase the ROM for the Zone of
Sensorimotor Competence
6.Lengthen levers
7.Reduce RNT input
8.Reduce reference
9.Reduce constraints
10.Progressively increase load
systematically

Question 2

Movement Strategies of pillar 5 are mostly Seen as Expansion and compression.
What other Movements are Linked with Expansion and wich ones with compression?

Answer 2

1) expansion is an external rotation-based phenomenon. Besides rotation, other major joint actions asso- ciated with expansion are flexion, abduction, plantar flexion, and supination.

Compression, then, is an internal rotation-based phenomenon, other major joint actions associated with compression are extension, adduction, dorsi-flexion, and pronation.

Question 3

Muscular Orientation of pillar 6 explain

Answer 3

Orientation speaks to whether muscles are in an eccentric or concentric state from a length perspective. There is some length mid- dle-ground for muscles, within which range they are neither eccentric nor concentric. As soon as a muscle shortens beyond this divider, it becomes concentrically oriented. As soon
as the muscle lengthens beyond it, it becomes eccentrically oriented. Muscles use an eccen- tric orientation to try to allow segments to move through a large excursion while performing yielding and use a concentric orientation to try to prevent segments from moving through a large excursion when performing yielding ac- tions. A concentric orientation is used to allow segments to move through a large excursion while performing overcoming actions, and mus- cles that remain in an eccentric orientation are unable to finish a movement during an over- coming action.

Question 4

Pillar 7, Muscular Action what is the theory ruling it?

Answer 4

propulsion arc. This is a concept that I believe applies to every trainable motion, and, indeed to all forms of human movement. The arc has three primary zones, which we will refer to as Zone 1, Zone 2, and Zone 3

Question 5

What movements and linked with Zone 1, Zone 2 and Zone 3 of the propulsion arc?

Answer 5

Early and late propulsion are expan- sion-dominant phases in the gait cycle, and middle propulsion is the compression-dominant phase of the cycle. During early and late pro- pulsion, we will see joints externally rotating, flexing, abducting, supinating, plantar flexing, and trending more towards eccentric orientation and yielding. During middle propulsion, we will see joints internally rotating, extending, adduct- ing, pronating, dorsiflexing, and trending more towards concentric orientation and overcoming.

Zones 1 and 3 should be characterized by expansion/inhalation/eccentric orientation-related joint actions, while Zone 2 should be characterized by compression/exha- lation/concentric-related joint actions.