HISTORY
The first step in evaluating the feet, toes and ankle is to get a detailed history of present and prior incidences of this region. This information will give an examiner a better idea of what to look for when doing a physical examination as well as an appropriate action to take in treating this ailment. By asking the following questions not only does the examiner obtain vital information regarding the injury but also it begins a rapport between the patient and the examiner:
Location of pain
Asking the patient where the source of their pain arises from will give you an idea of what structures may be damaged in respect to the specific area as well as the pathology:
Foot and toes
Ankle
Onset of pain
The point at which the patient began to feel pain as well as the duration of the pain provides an idea of the nature and tissues involved with the injury.
Acute onset
An acute onset of pain (pain that starts immediately after the trauma) may indicate bony trauma such as fractures as well as sprains and strains.
Insidious onset
The gradual worsening of pain involved with insidious onset compared the immediate pain of an acute onset may indicate inflammation of a ligament or a muscle. This type of onset may also indicate an overuse of the muscle.
Mechanism of Injury
The mechanism of injury also helps determine the general area of structures that are injured. That is, a rolled ankle will typically affect structures in the ankle and so on.
Along with the mechanism of injury other important questions to ask about are:
Previous history
A patient’s history with the area of injury may help determine the degree of injury as well as an idea of how to treat it. If the patient has had a sprained ankle before, their chances of re-spraining it again is higher due to the scarring and loosening of ligaments from the previous injury as well as the effectiveness of their rehabilitation.
OBSERVATION
Observation of the Foot
This will give us a general overview of how the foot differs from the neutral position and possible causes of common foot dysfunctions.
Foot Type: supinated, normal, or pronated; extreme deviation of pronated or supinated from neutral position is considered abnormal
Calluses and blisters: calluses develop from long-term pressure; blisters develop by increased pressure from the foot rubbing against the shoe or tinea pedis
Observation of the Toes
Common abnormalities seen in the toes
General Toe alignment
Claw toes: curling of the toes caused by contracture of either interosseous or lumbrical muscles or both
Morton’s alignment: 2nd toe is longer than the 1st because 1st metatarsal is shorter than the 2nd
Hammer toe: interosseous muscle not able to hold proximal phalanx in neutral position
Hallux abducto valgus: subluxation of the 1st MTP joint
Bunion formed medial border of 1st MTP joint due to inflammation of a bursa
Corns: thickening of stratum corneum
Hard corns: form in areas that experience a lot of pressure i.e. on toes
Soft corns: form between the toes
Ingrown toenail: corners of toenail intruding into skin; common in big toe
Subungual hermatoma: collection of blood under the nail, a dark purple appearance; common in big toe
Observation of the Medial Structures
Medial longitudinal arch: medial longitudinal arch more prominent in non-weight-bearing position
Observation of the Lateral Structures
Fifth metatarsal: shaft of 5th metatarsal typically straight; possible fracture if length of bone has contours
Observation of the Dorsal Structures
Tendons of long toe extensors and extensor digitorum brevis: observe for swelling, discoloration, or abnormal bony alignment
Observation of the Plantar Structures
Plantar warts: formed in callus skin due to weigh-bearing stress, sensation of “stepping on a pebble”
Observation of the Posterior Structures
Archilles tendon: in non-weight-bearing position tendon in alignment with tibia
Calcaneus: retrocalcaneal exotosis or Hagluand’s deformity
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