ORTHOTIC FITTER EXAM STUDY GUIDE WITH COMPLETE
SOLUTIONS LATEST UPDATED
What muscles make up the hamstrings - Correct Answers semimembranosus, semitendinosis, bicep femoris Chondromalasis patella may be caused by - Correct Answers over pronated foot, weak vastus medialis obliquis, weak gluestus medius What is Bursistis - Correct Answers Inflammation of the bursa, causing swelling and pain What are bursa - Correct Answers fluid filled sacs between tissues What is eccentric - Correct Answers controlled movement in which you move toward an opposing force, rather than away. Lengthening of the muscle Example of eccentric muscle contraction - Correct Answers lowering a weight, walking down stairs What is apropulsive gait - Correct Answers foot drop, partial foot amputation or soft tissue dysfunction Proprioception rehabilitation can on occur - Correct Answers during controlled motion when weight bearing Normally____, when torn loose by a sudden ____, seldom break in the middle rather, they _____ away from the _____ at the _____ - Correct Answers Normally tendons, when torn loose by a sudden force, seldom break in the middle rather, they pull away from the bone at the end What is antalgic gait - Correct Answers a gait in which the stance phase is shorter than the swing phase. It is a good indicator of weight bearing pain What is Ataxic gait - Correct Answers an unsteady, uncoordinated walk with a wide base and the feet thrown out, coming down first on the heel and then the toes with a double tap What is the popliteal fossa - Correct Answers cavity posterior to the knee 1 / 2
What is the function of the skeletal system - Correct Answers to provide a flexible foundation and manufacture red blood cells What is a shoulder joint - Correct Answers ball and socket joint, muscle dominated joint and can move in all planes Joint stability requires - Correct Answers adequate strength, appropriate ROM and adequate proprioception What is a closed kinetic chain - Correct Answers a series of connected joints in which the distal segment is in fixed, weight bearing position.Orthotics can aid in - Correct Answers eccentric muscle activity, reactive muscle activity and concentric muscle activity What is concentric - Correct Answers muscle activation (contraction) that causes tension on your muscle as it shortens, generating enough force to move an object Example of concentric muscle contraction - Correct Answers Bicep curl What is double-step gait - Correct Answers a gait in which there is a noticeable difference in length/timing of alternate steps What are sacomeres - Correct Answers overlapping work units within muscle structures How can the posterior cruciate ligament can be injured - Correct Answers excessive ankle dorsiflexion and a so called dash-board injury.What is Chondromalasis of the patella - Correct Answers roughening of the articulating surface of the patella What is an articulation - Correct Answers forms a joint
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