Download - Foot, ankle, lower leg s12
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MEDIAL BONY ANATOMY
• Tibia-• Medial
Malleolus• Talus• Calcaneus• Navicular
(Tubercle)
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LATERAL BONY ANATOMY
Fibula- Lateral Malleolus
Talus
Calcaneus
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MEDIAL LIGAMENTOUS ANATOMY
(DELTOID LIGAMENT)
Deep Portion - Anterior Tibiotalar
Superficial Portion - Tibonavicular - Tibialcalcaneal - Posterior Tibiotalar
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Inversion Ankle SprainAnterior Talo-fibular (ATF)
CalcaneofibularPosterior Talo-fibular
Eversion Ankle SprainDeltoid Ligament
**What type of sprain is more common? Why?
ANKLE SPRAINS
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LATERAL LIGAMENTOUS ANATOMY
Lateral View Posterior View
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MEDIAL MUSCULATURE
“Tom” Tibialis Posterior
“Dick “ Flexor Digitorum Longus
“An” Posterior Tibial Artery & Nerve
“Harry” Flexor Hallicus Longus
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LATERAL MUSCULATURE
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POSTERIOR MUSCULATURE
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ANTERIOR MUSCULATURE
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ARCHES OF THE FOOT
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PLANTAR FASCIA
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History
Generic history questions
Questions specific to the foot/ankle
Location of pain - heel, foot, toes, arches?
Training surfaces or changes in footwear?
Changes in training, volume or type?
Does footwear increase discomfort?
FOOT/ANKLE ASSESSMENT
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Does athlete favor a foot, limp, or is unable to bear weight?
Is there pes planus/cavus?
How is foot alignment?
Are there structural deformities?
OBSERVATIONS
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**Single most common injury in athletics caused by sudden inversion or eversion moments
Inversion Sprains•Most common and result in injury to the lateral
ligaments•Anterior talofibular ligament is injured with
inversion, plantar flexion and internal rotation•Occasionally the force is great enough for an
avulsion fracture to occur w/ the lateral malleolus
ANKLE SPRAINS
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Severity of sprains is graded (1-3)
The most common type of sprain in an
inversion ankle sprain
?What structures are injured?
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EVERSION ANKLE SPRAINS
Etiology • Bony protection and
ligament strength decreases likelihood of
injury
• Eversion force results in damage to deltoid ligament and possibly fx of the fibula
• Deltoid can also be impinged and contused with inversion sprains
-(Represent 5-10% of all ankle sprains)
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• 1st degree
• Mild pain and disability; weight bearing is minimally impaired; point tenderness over ligaments and no laxity
• 2nd degree
• Feel or hear pop or snap; moderate pain w/ difficulty bearing weight; tenderness and edema
• Positive ligament tests
• Possible tearing of the anterior talofibular and calcaneofibular ligaments (inversion sprain) or deltoid ligament (eversion
sprain)
• 3rd degree
• Severe pain, swelling, hemarthrosis, discoloration
• Unable to bear weight
• Positive ligament tests – torn ligaments
SIGNS AND SYMPTOMS
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Etiology
• Injury to the distal tibiofemoral joint
(anterior/posterior tibiofibular ligament)
• Torn w/ increased external rotation or dorsiflexion
• Injured in conjunction w/ medial and lateral ligaments
Signs and Symptoms
• Severe pain, loss of function; passive external rotation and
dorsiflexion cause pain
• Pain is usually anterolaterally located
SYNDESMOTIC SPRAIN
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Etiology
Number of mechanisms
Signs and Symptoms
Swelling and pain may be extreme with possible deformity
ANKLE FRACTURES/DISLOCATIONS
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Etiology• Inflammatory condition involving tendon, sheath or paratenon
• Tendon is overloaded due to extensive stress• Presents with gradual onset and worsens with continued use
• Decreased flexibility exacerbates condition
Signs and Symptoms• Generalized pain and stiffness, localized proximal to
calcaneal insertion • Warm and painful with palpation, also presents with
thickening• May limit strength
• May progress to morning stiffness
• Crepitus with active plantar flexion and passive dorsiflexion
• Chronic inflammation may lead to thickening
ACHILLES TENDINITIS
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Etiology
• Occurs w/ sudden stop and go; forceful plantar flexion w/ knee moving into full extension
• Commonly seen in athletes > 30 years old
• Generally has history of chronic inflammation
Signs and Symptoms
• Sudden snap (kick in the leg) w/ immediate pain which rapidly subsides
• Point tenderness, swelling, discoloration; decreased ROM
• Obvious indentation and positive Thompson test
• Occurs 2-6 cm proximal the calcaneal insertion
ACHILLES TENDON RUPTURE
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Etiology• Common overuse condition in runners with
foot hypermobility or over pronation• Repetitive microtrauma
Signs and Symptoms• Pain and swelling in area of medial malleolus• Edema, point tenderness and increased pain
during resistive inversion and plantar flexion
POSTERIOR TIBIALIS TENDINITIS
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Etiology
• Not common, but can be found with athletes that have pes cavus due to excessive supination placing
stress on peroneal tendon
Signs and Symptoms
• Pain behind lateral malleolus during push-off or when rising on ball of foot
• Pain along distolateral aspect of calcaneus and beneath the cuboid
PERONEAL TENDINITIS
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Etiology
• Fibula has highest incidence of fracture, occurring primarily in the middle third
• Tibial fractures occur predominantly in the lower third
• Result of direct blow or indirect trauma
Signs and Symptoms
• Pain, swelling, soft tissue insult
• Leg will appear hard and swollen (Compartment Syndrome)
ACUTE LEG FRACTURES
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Etiology
• Pain in anterior portion of shin
• Catch all for stress fractures, muscle strains, chronic anterior compartment syndrome
• Accounts for 10-15% of all running injuries, 60% of leg pain in athletes
• Caused by repetitive microtrauma
• Weak muscles, improper footwear, training errors, varus foot, tight heel cord, hypermobile or pronated feet and even forefoot
supination can contribute to MTSS
• May also involve, stress fractures or exertional compartment syndrome
MEDIAL TIBIAL STRESS SYNDROME
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Signs and Symptoms
• Four grades of pain• Pain after activity
• Pain before and after activity and not affecting performance
• Pain before, during and after activity, affecting performance
• Pain so severe, performance is impossible
•Recall you may hear “Periostitis”
MTSS CONTINUED
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Etiology• Common overuse condition, particularly in those with
structural and biomechanical insufficiencies• Runners tends to develop in lower third of lower leg (dancers
middle third)• Often occur in unconditioned, non-experienced individuals
• Often training errors are involved• Component of female athlete triad
Signs and Symptoms• Pain more intense after exercise than before
• Point tenderness; difficult to discern bone and soft tissue pain• Bone scan results (stress fracture vs. periostitis)
STRESS FRACTURE
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Apophysitis of the Calcaneus (Sever’s Disease)
Etiology
• Traction injury at apophysis of calcaneus, where Achilles attaches
Sign and Symptoms
• Pain occurs at posterior heel below Achilles attachment in children and adolescent athletes
• Pain occurs during vigorous activity and ceases following activity
INJURIES TO THE FOOT
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(Pump Bump)
Etiology
• Caused by inflammation of bursa beneath Achilles tendon
• Result of pressure and rubbing of shoe heel counter
• Chronic condition that develops over time and may take extensive time to resolve, exostosis may also develop
Sign and Symptoms
• Pain w/ palpation superior and anterior to Achilles insertion, swelling on both sides of the heel cord
RETROCALCANEAL BURSITIS
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Etiology
• Caused by sudden starts, stops or changes of direction, irritation of fat pad
• Pain often on the lateral aspect due to heel strike pattern
Sign and Symptoms
• Severe pain in heel and is unable to withstand stress of weight bearing
• Often warmth and redness over the tender area
HEEL CONTUSION
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Pes Planus Foot (Flatfoot)
Etiology
• Associated with excessive pronation, forefoot varus, wearing tight shoes (weakening supportive structures)
being overweight, excessive exercise placing undo stress on arch
Sign and Symptoms
• Pain, weakness or fatigue in medial longitudinal arch; calcaneal eversion, bulging navicular, flattening of
medial longitudinal arch and dorsiflexion with lateral splaying of 1st metatarsal
INJURIES TO METATARSAL REGION
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Etiology
• Higher arch than normal; associated with excessive supination, accentuated high medial
longitudinal arch
Sign and Symptoms
• Poor shock absorption resulting in metatarsalgia, foot pain, clawed or hammer toes
• Associated with forefoot valgus, shortening of Achilles and plantar fascia; heavy callus
development on ball and heel of foot
PES CAVUS
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• Common in athletes and nonathletes
• Attributed to heel spurs, plantar fascia irritation, and bursitis
• Plantar fascia, dense, broad band of connective tissue attaching proximal and
medially on the calcaneus and fans out over the plantar aspect of the foot
PLANTAR FASCIITIS
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Etiology
• Increased tension and stress on fascia (particularly during push off of running phase)
• Change from rigid supportive footwear to flexible footwear
• Poor running technique
• Leg length discrepancy, excessive pronation, inflexible longitudinal arch, tight gastroc-soleus complex
• Running on soft surfaces, shoes with poor support
Sign and Symptoms
• Pain in anterior medial heel, along medial longitudinal arch
• Increased pain in morning, loosens after first few steps
• Increased pain with forefoot dorsiflexion
PLANTAR FASCIITIS CONT.
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Etiology
• Fracture of metatarsal caused by inversion and plantar flexion, direct force (stepped on) or
repetitive trauma
• Most common = base of 5th metatarsal
Sign and Symptoms
• Immediate swelling, pain over 5th metatarsal
• High nonunion rate and course of healing is unpredictable
JONES FRACTURE
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Etiology
• 2nd metatarsal fracture (March fracture)
• Change in running pattern, mileage, hills, or hard surfaces
• Forefoot varus, hallux valgus, flatfoot or short 1st metatarsal
• Occasional 5th metatarsal fracture at base and insertion of peroneus brevis
METATARSAL STRESS FRACTURES
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Etiology
• Exostosis of 1st metatarsal head; associated with forefoot varus; shoes that are too narrow, pointed or short
• Bursa becomes inflamed and thickens, enlarging joint, and causing lateral malalignment of great toe
• Bunionette (Tailor’s bunion) impacts 5th metatarsophalangeal joint - causes medial displacement of 5th toe
Sign and Symptoms
• Tenderness, swelling, and enlargement of joint initially
• As inflammation continues, angulation increases causing painful ambulation
• Tendinitis in great toe flexors may develop
BUNION
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Etiology
• Hyperextension injury resulting in sprain of 1st metatarsophalangeal joint
• May be the result of single or repetitive trauma
Signs and Symptoms
• Pain and swelling which increases during push off in walking, running, and jumping
TURF TOE
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MOI
• Direct pressure, dropping an object on toe, kicking another object
• Repetitive shear forces on toenail
Signs of Injury
• Accumulation of blood underneath toenail
• Likely to produce extreme pain and ultimately loss of nail
SUBUNGUAL HEMATOMA