Arches: Pronation and Supination Flashcards
Name the dynamic arch supporters?
TIBIALIS ANTERIOR \+ TIBIALIS POSTERIOR \+ PERONEUS LONGUS
What will weak dynamic arch supporters lead to?
OVERPRONATION (OF ARCHES) DURING GAIT
What is pronation (loose-packed position) of the foot a combination of?
DORSIFLEXION \+ EVERSION \+ FOREFOOT ABDUCTION
What is supination (close-packed position) of the foot a combination of?
PLANTAR FLEXION \+ INVERSION \+ FOREFOOT ADDUCTION
Describe the “rigid lever” position of the foot necessary for propelling the body forward?
aka for SUPINATION
PLANTAR FLEXION \+ INVERSION \+ FOREFOOT ADDUCTION
List the 5 steps of gait? (pun intended)
- HEEL STRIKE
- FOOT FLAT
- MID STANCE
- HEEL OFF
- TOE OFF
Which steps of gait represent the weight acceptance stage?
- FOOT FLAT
3. MID STANCE
In what position does the heel strike the ground?
NEUTRAL
or
SLIGHT SUPINATION
What happens as the foot begins to pronate?
ENTIRE LOWER EXTREMITY ROTATES INWARD
What occurs once the foot is on the ground?
DORSIFLEXION BEGINS
as
TIBIA MOVES FORWARD (and continues to rotate, encouraging pronation)
In which arch of the foot would you find the spring ligament?
MEDIAL LONGITUDINAL ARCH
In which arch of the foot would you find the long plantar ligament?
LATERAL LONGITUDINAL ARCH
What happens from mid-stance to terminal stance?
TIBIA ROTATES EXTERNALLY
initiating
SUPINATION OF THE FOOT
(close-packed)
What happens at the ankle as the “rigid lever” propels the body forward?
PLANTAR FLEXION
What is overpronation aka pes planus?
EXCESSIVE FLATTENING
of
MEDIAL LONGITUDINAL ARCH
