Lecture 2

Question 1

Harrison Fryette and Fryette Laws

Answer 1

1918 Fryettes laws

I. typeical vertebral segments: when spine is in neutral-sidbending introduced, vertebral bodies rotate WITH convexity (rotation and sidebending in opposite direction)
(GROUP MECHANICS)

II. when the spine is in non neutral (flex or ext) and sidebending is introduced-vertebrae rotate towar concavity)
(SINGLE SEGMENT DISFUNCTION)

III. initiating motion of a vertebral segment in any plane of motion will miodify the movement of that segment in other planes of motion.
-all guidelines not absolutes

Question 2

TART

Answer 2

Tissue Texture change: how it feels….

Asymettry: how it looks, (pos of vert or other bone)

restriction: how it moves in all planes
tenderness: examiner pressure (component of Som Dys)

Question 3

Type I Motion

Answer 3

GROUP MOTION (scoliosis)

Neutral (no flextion, extention, vertebral are not locked)

sidebending and rotation in opposite directions

• posterior trasverse processes palpated
• paravertebral muscle prominent over convexity
• max rotation is apex of curve
• may be fxnl or pathologic

multiple 
opposite sides
neutral spine
laterl clinical appearance
diffuse pain
T2-6NSlRr
SIDEBENDING FIRST

Question 4

Type II Motion

Answer 4

Applies to single vertebral unit

involves sig flextion or extension

rotationa nd sidebending on same side

usually pathologic

usually result of acute process

Single
Same side
Flexion/extension
AP clinical appearance
local pain
T3FRSl
ROTATION FIRST

Question 5

Exceptions to Fryettes

Answer 5

C0 on C1  - ROTATE AND SIDEBEND OPP w/f or e
Occiput On Atlas
primary motion-FLex/Ext
minor motions: sidebending/rotation
(opposite directions)

C1 on C2 PURE ROTATION, no SB
atlas on axis
primary motion-rotation

sacrum with respect to ilia
-rotation and sidebending in opposite directions

Question 6

Cervical Motion

Answer 6

C0-C1 (O/A)

• occiput on the atlas- atypical motion-sidebending and roation occur in opposite direction in a non-neutral position
• C0FSrRl

C1-C2 (A/A)

• motion of the atlas on the axis atypical. pure rotation,
• C1Rr

C2-C7
-generally follows type II, non neutral, rotationa nd sidebending to same side

Question 7

muscle contraction types

Answer 7

concentric: tightening
eccentric: lengthening of muscle during contraction due to external force
isotonic: patient force greater than operator force

isometriL equal force, does not move

isolytic: operator force greater (force to lengthen)

Question 8

Direct Vs Indirect

Answer 8

Direct: moving INTO restrictive barrier

indirectL moving away from restrictive barrier (stretch)

look at example slide

Question 9

core concepts

Answer 9

HVLA - direct

muscle energy- direct

counterstrain- indirect

myofascial release- directo OR indirect

cranial: indirect for adults, direct for infants

facilated positional release- indirect

still-indirect to direct

Question 10

look at study Q’s for lecture 3

Answer 10

look