Normal Gait 7 Flashcards
What is the ROM during the mid swing phase at the ankle joint?
Dorsiflexion to neutral
What is the torque demand during the mid swing phase at the ankle joint?
Very low level of Plantarflexion torque
What is the muscle action during the mid swing phase at the ankle joint?
Pre tibial muscles contract concentrically
What is the functional significance during the mid swing phase at the ankle joint?
Foot clears the ground by 1 cm
What is the ROM during the mid swing phase at the subtalar joint?
Neutral
What is the torque demand during the mid swing phase at the subtalar joint?
None to very slight inversion torque
What is the muscle action during the mid swing phase at the subtalar joint?
Anterior Tibialis stabilizes medially
What is the functional significance during the mid swing phase at the subtalar joint?
Foot positioned to clear the ground
What is the ROM during the mid swing phase at the knee joint?
25° of flexion
What is the torque demand during the mid swing phase at the knee joint?
Transition to knee extension torque late in phase
What is the muscle action during the mid swing phase at the knee joint?
Short head of biceps femoris may control rate of extension
Hamstring’s active late in phase
What is the functional significance during the mid swing phase at the knee joint?
Extension necessary for step length begins in this phase
What is the ROM during the mid swing phase at the hip joint?
25° of flexion
What is the torque demand during the mid swing phase at the hip joint?
Gradually increasing hip flexion torque
What is the muscle action during the mid swing phase at the hip joint?
Hamstrings become active late in phase
What is the functional significance during the mid swing phase at the hip joint?
Thigh advancement slows
Momentum of swing limb helps carry body past stance limb
What is happening at the pelvis during the mid swing phase?
Rotates forward in horizontal plane to neutral
What is the ROM during the terminal swing phase at the ankle joint?
Neutral
What is the torque demand during the terminal swing phase at the ankle joint?
Plantarflexion torque diminishes to zero
What is the muscle action during the terminal swing phase at the ankle joint?
Pre tibial muscles contract isometrically
What is the functional significance during the terminal swing phase at the ankle joint?
Neutral position assures heel contact for initial contact
What is the ROM during the terminal swing phase at the subtalar joint?
Neurral
What is the torque demand during the terminal swing phase at the subtalar joint?
None to very slight inversion torque
What is the muscle action during the terminal swing phase at the subtalar joint?
Anterior Tibialis stabilizes medially
What is the functional significance l during the terminal swing phase at the subtalar joint?
Foot positioned for heel contact
What is the ROM during the terminal swing phase at the knee joint?
Extends to neutral but then may go into 5° of flexion
What is the torque demand during the terminal swing phase at the knee joint?
Extension torque
What is the muscle action during the terminal swing phase at the knee joint?
Quads active concentrically
Hamstrings peak in activity
What is the functional significance during the terminal swing phase at the knee joint?
Step length optimized by leg reaching out
What is the ROM during the terminal swing phase at the hip joint?
20° of flexion
What is the torque demand during the terminal swing phase at the hip joint?
Hip flexion torque diminishes at end of phase
What is the muscle action during the terminal swing phase at the hip joint?
Hamstrings, adductor magnus, gluteus Maximus, gluteus medius, and TFL active
What is the functional significance during the terminal swing phase at the hip joint?
Limb positioned for heel first initial contact
What is happening with the pelvis during the terminal swing phase?
Rotates forward 5° in horizontal plane
How does the trunk move during the gait cycle?
Opposite direction that the pelvis is rotating
