Class Notes (787,679)
United States (302,728)
PT 5131 (30)
L Day (25)
Lecture

Arches.docx

2 Pages
81 Views
Unlock Document

School
Northeastern University
Department
Physical Therapy
Course
PT 5131
Professor
L Day
Semester
Spring

Description
Arches Arches of the Foot • Important in absorbing shock and acting as springboards during locomotion • Resiliency of arches adds to foot’s ability to adapt to changing surfaces as well as shock we encounter during walking • 3 arches in foot o 2 Longitudinal o 1 Transverse • Arches of foot maintained by 5 things (4 strong plantar ligaments and an aponeurosis) o Passive Factors  Shape of bones  Orientation of bones to each other  Strong ligaments and plantar aponeurosis o Dynamic Factors  Tendons traveling from leg • Tibialis Posterior, Tibialis Anterior, Peroneus Longus, Flexor Hallucis Longus  Intrinsic muscles of foot • Arches have 2 pillars that connect to ground and a keystone at the top of the arch o Motion of the keystone will destroy integrity of arches o Arches held in place by strut/tie that will hold one pillar to the other pillar  Pulls the pillars closer together Plantar Ligaments • Long Plantar Ligament o PA: Calcaneus o DA: Cuboid; base 2-4 Metatarsals o Two slips of tendon creates a canal for tendon of Peroneus Longus • Short Plantar Ligament: just medial and slightly deeper to Long Plantar Ligament o PA: Calcaneus o DA: Cuboid o AKA Plantar Calcaneocuboid Ligament • Spring Ligament: Medial and a little up side of foot from Short Plantar Ligament o PA: Sustentaculum Tali of Calcaneus o DA: Navicular (just under Navicular Tuberosity and Tendon of Tibialis Posterior) o AKA Plantar Calcaneonavicular Ligament • Play important role in maintaining bones close to one another and maintaining arches Medial Longitudinal Arch • Includes: Calcaneus, Talus, Navicular, 3 Cuneiforms, Metatarsals 1-3 • Pillars: Calcaneus and 1 Metatarsal • Keystone: Talar Head o Important that Talus stays as high as possible and is supported  Achieved by Spring Ligament (calcaneus  just under navic
More Less

Related notes for PT 5131

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.

Submit