general anatomy plus foot and ankle anatomy...
TRANSCRIPT
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Musculoskeletal Biomechanics BIOEN 520 | ME 527
Mini-‐Lab 1 Basic Anatomy
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Anatomy: General
• Planes of the body • DirecGonal terms
• Joint moGon/posiGon
• Primary musculoskeletal structures
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Anatomy: Foot and Ankle
• Foot and ankle anatomy (emphasizing the musculoskeletal system – no nerves or vessels)
• DissecGon video(s) • PracGcal examinaGon
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Planes of the body
• Coronal Plane (Frontal Plane) -‐ A verGcal plane running from side to side; divides the body or any of its parts into anterior and posterior porGons.
http://training.seer.cancer.gov/anatomy/body/terminology.html
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Planes of the body
• Sagi1al Plane (Lateral Plane) -‐ A verGcal plane running from front to back; divides the body or any of its parts into right and leU sides.
http://training.seer.cancer.gov/anatomy/body/terminology.html
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Planes of the body
• Axial Plane (Transverse Plane) -‐ A horizontal plane; divides the body or any of its parts into upper and lower parts.
http://training.seer.cancer.gov/anatomy/body/terminology.html
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Planes of the body
• Median plane -‐ SagiXal plane through the midline of the body; divides the body or any of its parts into right and leU halves.
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• DirecGonal terms describe the posiGons of structures relaGve to other structures or locaGons in the body.
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Superior or cranial -‐ toward the head end of the body; upper (example, the hand is part of the superior extremity).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Inferior or caudal -‐ away from the head; lower (example, the foot is part of the inferior extremity).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Anterior or ventral -‐ front (example, the kneecap is located on the anterior side of the leg).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Posterior or dorsal -‐ back (example, the shoulder blades are located on the posterior side of the body).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Medial -‐ toward the midline of the body (example, the middle toe is located at the medial side of the foot).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Lateral -‐ away from the midline of the body (example, the liXle toe is located at the lateral side of the foot).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Proximal -‐ toward or nearest the trunk or the point of origin of a part (example, the proximal end of the femur joins with the pelvic bone).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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DirecGonal terms
• Distal -‐ away from or farthest from the trunk or the point or origin of a part (example, the hand is located at the distal end of the forearm).
http://training.seer.cancer.gov/anatomy/body/terminology.html
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Joint moGon: flexion/extension
http://classroom.sdmesa.edu/eschmid/chapter7-zoo145.htm
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Joint moGon: abducGon/adducGon
http://classroom.sdmesa.edu/eschmid/chapter7-zoo145.htm
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Joint moGon: rotaGon
https://www.studyblue.com/notes/note/n/chapter-9-sub--movement-of-synovial-joints-w-images/deck/8107735
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Joint moGon: circumducGon
http://classroom.sdmesa.edu/eschmid/chapter7-zoo145.htm
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Joint moGon: special moGons
http://higheredbcs.wiley.com/legacy/college/tortora/0470565101/hearthis_ill/pap13e_ch09_illustr_audio_mp3_am/simulations/hear/synovial_joint_special_movements.html
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Joint posiGon: varus/valgus
http://www.compedgept.com/blog/knee-pain-and-running-common-and-misunderstood
http://bikedynamics.co.uk/fit01.htm
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Primary Musculoskeletal Structures
• Bone • Muscle
• Ligament
• Tendon • CarGlage • Others: (disc, meniscus, labrum, plantar fat)
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Foot: moGon
sagittal plane
dorsiflexion plantar flexionneutral
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neutral
Foot: moGon frontal plane
inversion or varuseversion or valgus
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neutral
Foot: moGon
abduction orexternal rotation
transverse planeadduction orinternal rotation
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Foot: moGon
• PronaGon § dorsiflexion § abducGon/external rotaGon § eversion/valgus § flat foot
• SupinaGon § plantar flexion § adducGon/internal rotaGon § inversion/varus § high arched foot
• issues with pronaGon and supinaGon: -‐ works well for hand, but not for foot due to 90˚ ankle -‐ neutral posiGon vs. anatomic posiGon -‐ in some texts, refers to pure frontal plane moGon -‐ in flat foot (hyperpronated foot or pes planus), forefoot
actually supinated relaGve to hindfoot
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Foot and ankle anatomical terms
• Discuss the foot with ankle at 90˚ (i.e., neutral posiGon) and not with the ankle plantar flexed (i.e., anatomical posiGon), except if we are taking about the toes.
• Avoid use of pronaGon/supinaGon (see last slide); instead discuss moGon/posiGon in specific cardinal planes.
• Coronal rather than frontal (minor point)
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Foot and ankle anatomical terms
• SagiXal plane moGon at all joints is referred to as dorsiflexion/plantar flexion.
• Hindfoot (calcaneus to Gbia, calcaneus to talus, talus to Gbia) ankle at 90˚ § coronal plane moGon = inversion/eversion (and posiGon varus/valgus)
§ transverse plane moGon = adducGon/abducGon or internal/external rotaGon
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Foot and ankle anatomical terms
• Forefoot to hindfoot (first metatarsal to talus) ankle at 90˚ § coronal plane moGon = inversion/eversion (and posiGon varus/valgus)
§ transverse plane moGon = adducGon/abducGon or internal/external rotaGon
• Hallux to first metatarsal § coronal plane moGon = inversion/eversion § transverse plane moGon = varus/valgus
• hallux valgus = bunion
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Foot and ankle anatomical terms
• Use hindfoot not rearfoot • Use neutrally aligned not rectus • Can not say “pes planus foot type”, as that literally means “foot flat foot type”. Say “pes planus” or “planus foot type”.
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medial column: calcaneus, talus, navicular, medial cuneiform, first metatarsal
Foot: bony anatomy
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lateral column: calcaneus, cuboid, fifth metatarsal
Foot: bony anatomy
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Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained a "small crack" and "displaced fracture" on a non-weight-bearing bone in his foot sometime during the Seahawks' 42-30 win over the New York Giants on Sunday.
http://sports.espn.go.com/nfl/news/story?id=2602571
Foot: bony anatomy
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Foot: bony anatomy
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http://www.technologystudent.com/struct1/arch1.htm
POND DE GARD (South of France)
Foot: bony anatomy
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Foot: bony anatomy
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.http://www.rad.washington.edu/radanat/Foot.html
medial /lateral X-ray
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Foot: bony anatomy
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.http://www.rad.washington.edu/radanat/Foot.html
medial /lateral X-ray
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Foot: bony anatomy
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.
http://www.rad.washington.edu/radanat/Foot.html
anterior/posterior or dorsal/plantarX-ray
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Foot: bony anatomy
anterior/posterior or dorsal/plantarX-ray
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.
http://www.rad.washington.edu/radanat/Foot.html
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Foot: bony anatomy
obliqueX-ray
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.
http://www.rad.washington.edu/radanat/Foot.html
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Foot: bony anatomy
obliqueX-ray
Radiographic Anatomy of the Skeleton, Michael L. Richardson, M.D.
http://www.rad.washington.edu/radanat/Foot.html
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Foot: bony anatomy (n=28)
• hindfoot: calcaneus, talus, (Gbia, fibula) • midfoot: navicular, cuboid, and medial, intermediate and lateral cuneiform
• forefoot: metatarsals (n=5) and phalanges (n=14)
• ¼ of bones in the body (n=206)
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Foot: joints (n=19 major, n=57 total)
• talocrural (ankle) • talocalcaneal (subtalar)
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Foot: joints (n=19 major, n=57 total)
• talonavicular (Chopart’s) • calcaneocuboid (Chopart’s)
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Foot: joints (n=19 major, n=57 total)
• tarsometatarsal (Lisfranc’s) • first metatarsophalangeal
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Foot: ligaments (n=108)
medial ligaments: deltoid
Frank Netter, Atlas of Human Anatomy
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Foot: ligaments (n=108)
lateral ligaments: lateral collateral ligament
Frank Netter, Atlas of Human Anatomy
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Foot: ligaments (n=108) plantar ligaments: long plantar and spring
Gray’s Anatomy, www.bartleby.com/107/
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Foot: extrinsic muscles (n=12)
anterior extrinsic muscles (extra credit)tibialis anteriorextensor hallucis longusextensor digitorum longusperonius brevisperonius longusperonius tertius
Gray’s Anatomy, www.bartleby.com/107/
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posterior extrinsic muscles (extra credit)
soleusgastronemiustibialis posteriorflexor hallucis longusflexor digitorum longusplantaris
Gray’s Anatomy, www.bartleby.com/107/
Foot: extrinsic muscles (n=12)
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Foot: reGnaculum
Flexor retinaculum
Extensor retinaculum
Peroneal (Fibular) retinaculum
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Gray’s Anatomy, www.bartleby.com/107/
Foot: reGnaculum
![Page 54: general anatomy plus foot and ankle anatomy v3courses.washington.edu/bioen520/slides/2016_Session_1B.pdf · Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained](https://reader030.vdocument.in/reader030/viewer/2022040422/5e157a65b7c78841e04fc9da/html5/thumbnails/54.jpg)
Foot & Ankle: anatomy
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Foot: intrinsic muscles (n=20)
intrinsic muscles - layer 1
Gray’s Anatomy, www.bartleby.com/107/
![Page 56: general anatomy plus foot and ankle anatomy v3courses.washington.edu/bioen520/slides/2016_Session_1B.pdf · Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained](https://reader030.vdocument.in/reader030/viewer/2022040422/5e157a65b7c78841e04fc9da/html5/thumbnails/56.jpg)
intrinsic muscles - layer 2
Gray’s Anatomy, www.bartleby.com/107/
Foot: intrinsic muscles (n=20)
![Page 57: general anatomy plus foot and ankle anatomy v3courses.washington.edu/bioen520/slides/2016_Session_1B.pdf · Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained](https://reader030.vdocument.in/reader030/viewer/2022040422/5e157a65b7c78841e04fc9da/html5/thumbnails/57.jpg)
intrinsic muscles - layer 3
Gray’s Anatomy, www.bartleby.com/107/
Foot: intrinsic muscles (n=20)
![Page 58: general anatomy plus foot and ankle anatomy v3courses.washington.edu/bioen520/slides/2016_Session_1B.pdf · Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained](https://reader030.vdocument.in/reader030/viewer/2022040422/5e157a65b7c78841e04fc9da/html5/thumbnails/58.jpg)
intrinsic muscles - layer 4
Gray’s Anatomy, www.bartleby.com/107/
Foot: intrinsic muscles (n=20)
![Page 59: general anatomy plus foot and ankle anatomy v3courses.washington.edu/bioen520/slides/2016_Session_1B.pdf · Coach Mike Holmgren said Monday that a bone scan revealed Alexander sustained](https://reader030.vdocument.in/reader030/viewer/2022040422/5e157a65b7c78841e04fc9da/html5/thumbnails/59.jpg)
Foot: plantar aponeurosis
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Foot: plantar aponeurosis
http://www.medicalmultimediagroup.com/pated/foot/heelspur/heelspur.html
medial /lateral view
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Foot: plantar aponeurosis
http://www.jointenterprise.co.uk/heel_pain_or_plantar_fasciitis.htm
medial /lateral X-ray
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Foot in Art
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Foot in Art
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Foot in Art
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Foot in Art