Ankle: Assessment 1

Question 1

FHB: weakness allows what position of the great toe?

Answer 1

Hammer toe position

Question 2

FHL: actions

Answer 2

• IP flexion of great toe
• assists in flexion of MT joint
• PF of ankle
• inversion of the foot

Question 3

FHL: weakness results in hyperextension of what joint?

Answer 3

IP joint

Question 4

FHL: weakness decreases strength of these total foot motions?

Answer 4

• foot inversion

- ankle PF

Question 5

FDB: weakness results in

Answer 5

Difficulty flexing PIP joints

Question 6

FDB: actions

Answer 6

• PIP flexion
• assists MT flexion toes 2-5
• stabilizes proximal phalanges
• keep foot and ankle neutral

Question 7

FDL: actions

Answer 7

• flexes IP and MT joints of toes 2-5
• assists in PF of ankle and inversion of the foot
• stabilizes middle phalanges

Question 8

FDL: weakness results in hyperextension of

Answer 8

DIP joints of the 4 toes

Question 9

FDL: Weakness decreases the ability for which foot/ankle actions?

Answer 9

• foot inversion

- ankle plantarflexion

Question 10

FDL: In WB, weakness of this muscle permits a tendency toward what foot position?

Answer 10

Valgus

Question 11

lumbricals: actions

Answer 11

• MTP flexion

- IP ext

Question 12

Lumbricals: weakness allows hyperextension where?

Answer 12

MTP joints

Question 13

What happens when the lumbricals are weak, hyperextension occurs at the MTP joints, and the FDL contract?

Answer 13

• distal joints flex
• causes hammertoe position of the 4 lateral toes
• decreased support of transverse arch

Question 14

Tibialis posterior: actions

Answer 14

• inversion
• assists in plantarflexion
• supports leg above ankle joint

Question 15

Tibialis posterior: weakness decreases the ability with what movements?

Answer 15

• plantarflexion

- inversion

Question 16

Tibialis posterior: Weakness results in what adaptations?

Answer 16

• pronation of the foot

- decreased support of the longitudinal arch