4.16 Synergies

Question 1

Which UE synergy is stronger?

Answer 1

flexor

Question 2

Which LE synergy is stronger?

Answer 2

extensor

Question 3

Which synergy should be tested first?

Answer 3

weaker

Question 4

Which synergy appears first?

Answer 4

the stronger one

Question 5

strongest components of UE flexor synergy

Answer 5

elbow flexion

Question 6

strongest components of UE extensor synergy

Answer 6

IR

adduction

Question 7

LE flexor synergy

Answer 7

• hip 90
• knee 90
• abd
• ER
• DF
• inversion
• toe extension

Question 8

strongest components of LE flexor synergy

Answer 8

hip flexed to 90˚

Question 9

LE extensor synergy

Answer 9

• hip add
• IR
• ext
• knee ext
• PF
• inversion
• toe flexion

Question 10

strongest components of LE extensor synergy

Answer 10

add

IR

Question 11

WB and LE synergies

Answer 11

• knee extension
• hip adduction
• inversion

*WB reinforces the extensor synergy

Question 12

abn associated rxns for UE: general

Answer 12

UE resisted flexion of uninvolved side causes flexion on involved side

Question 13

abn associated rxns for LE: general

Answer 13

LE resisted flexion of uninvolved side evokes extension on involved side

Question 14

homolateral limb synkinesis

Answer 14

resisted flexion of involved LE evokes UE flexion

Question 15

Raimiste’s phenomenon

Answer 15

LE resisted abduction (uninvolved) » abduction (involved)

adduction » adduction

Question 16

Souques phenomenon

Answer 16

UE elevation above 90˚ (involved) inhibits finger flexors

Question 17

Bechterew’s reflex

Answer 17

passive PF of great toe » mass flexion of LE

Question 18

Which UE synergy would you test first?

Answer 18

extensor

Question 19

Which LE synergy would you test first?

Answer 19

flexor