Prosthetic MC

A below knee amputee is seen in your clinic for a follow up appointment and states he feels
anterior/distal discomfort in his prosthetic socket. Choose all correct answer(s) to address
this problem:

A below the knee amputee is seen in your clinic for a follow up appointment and states he
has posterior knee or hamstring discomfort. Choose all correct answer(s) to address this
problem:

Which level(s) of amputation may lead to an equinus gait deformity:

A below knee amputee presents in clinic wearing a PTB style endoskeletal prosthesis with
general knee pain and distal end pressure. The patient doffs her prosthesis and liner, upon
examination of her residual limb you note redness on the distal tibia and inferior aspect of the
patella bone. What would be the most logical clinical action(s) you could take at this point in
addressing this problem:

Myodesis can be described as:

Which of the following is not part of a Symes amputation procedure:

Myoplasty can be described as:

What are two advantages in the list below of myodesis over myoplasty with regards to
amputations:

During normal heel strike, the forward hip is how flexed:

Which style of muscular tissue management in an TH amputation would be of greatest
advantage to a myoelectric prosthesis candidate:

A TF patient is seen in clinic that exhibits lateral/proximal loss of contact in stance. Upon
prosthetic fit examination it is noted the lateral wall is superior to the greater trochanter, the
anterior wall contours to the adductor longus tendon, the posterior socket does not
encompass the ischial tuberosity, the medial wall is located 65mm inferior to the perineum.
What do you attribute to the cause of this deviation:

With a Krukenberg procedure what muscle is the driver of the pincer grip:

What would be a good quality(s) to look for in a prosthetic foot for a TT amputee who is a
K2 designated household ambulator that utilizes his prosthesis efficiently during the day but
fatigues in the evening and buckles at the knee secondary to quadriceps weakness:

Today in clinic a TT patient is seen presenting with a traditional exoskeletal PTB
prosthesis with a SACH foot. Patient states that she feels like the prosthesis is throwing her
knee forward as soon as the heel firmly contacts the ground. She has worn this prosthesis
comfortably for two years until one month ago. What should be the first clinical action you
should take at this time in the appointment:

The Krukenburg procedure is used at times in developing countries where expensive
prosthesis are not attainable. What other patient population(s) would this be potentially used
for:

A TR patient is seen in your clinic. The patient is inquiring as to which terminal device
would be best for picking up a small coin from a table. Which device would you recommend:

What are simple option(s) for increasing the ease of pre-positioning the prosthetic elbow
in flexion, for a TH amputee utilizing a body powered prosthesis who lacks glenohumeral
flexion strength and biscapular abduction strength but can operate a elbow lock:

What bony landmark is utilized for a weight bearing prosthesis in a hip disarticulation:

What is an option for pre positioning the prosthetic elbow in flexion, for a TH amputee
utilizing a triple control body powered prosthesis who lacks glenohumeral flexion strength
and biscapular abduction strength but can operate an elbow lock:

Why is choosing a SACH foot with a firm heel durometer not advised for TT patients with
poor prosthetic side knee stability:

You are doing a gait assessment with your patient that has a below knee prosthesis. You
notice that there is lateral trunk bending at mid stance to the prosthetic side. Choose the
choice that would NOT be a potential cause of this gait deviation:

A TF patient is seen in your clinic. It is noted that as he ambulates with a circumducted
gait. Select ALL possible causes:

A TF patient is seen in your clinic. In stance, the prosthetic foot "smears" externally as she
simultaneously abducts her prosthesis whereby advancing forward in the sagittal plane. She
complains of low back pain as well. What is a prosthetic cause:

A patient with an above knee amputation has a prosthesis. During gait analysis you find
that she has knee instability while standing and you see knee buckling with any weight shift.
You suspect the cause of the instability is:

TT prosthetic sockets that are excessively extended cause excessive pressure in what areas:

T/F, Outsetting the prosthetic foot on a TT prosthesis increases socket pressure
medial/distal and lateral/proximal:

A forequarter amputation removes what structures:

A TT patient is seen in clinic. Upon examining gait you notice a mild extension moment at
the knee in stance phase. What could be the cause? Note: alignment is proper:

When choosing if a prosthetic patient is a gel liner candidate, which of the following
option(s) would assist you in this decision:

In a transmetatarsal amputation you would expect to see what gait deviation:

Dorsiflexing the prosthetic foot is synonymous with __________________:

Why is it necessary to utilize a Berkeley alignable componentry prior to final fabrication of
an exoskeletal prosthesis:

What muscle group would you expect to be the weakest in an above knee amputee:

When flexing an AK socket to accommodate a flexion contracture what concurrent
alignment adjustment should also be made:

An AK patient is seen in clinic. When ambulating the patient complains of knee
instability. What alignment change could possibly assist in regaining knee stability:

With a knee disarticulation amputee what is a cosmetic concern:

An AK patient is seen in clinic. When ambulating the patient complains of knee
instability. What alignment change could possibly assist in regaining knee stability:

When making an angular change utilizing endoskeletal componentry it is necessary to:

Choose all that apply to the benefit of a knee disarticulation over an above knee
amputation with prosthetic fit:

When removing endoskeletal prosthetic componentry for adjustment, how do you save
your original alignment:

In general polycentric prosthetic knees are considered inherently stable. Why is this:

Which of the following is not part of the Scarpa's triangle:

Choose all answers that are considered benefits of polycentric knees:

The gait cycle is composed of what:

A TH patient is seen in clinic. The patient is utilizing a body powered prosthesis with a
Hosmer mechanical elbow and complains that he can operate it throughout its full range of
motion but it requires too much effort. What could you do to remedy this:

What is a simple option for pre positioning the prosthetic elbow in flexion, for a TH
amputee utilizing a body powered prosthesis who lacks glenohumeral flexion strength and
biscapular abduction strength but can operate an elbow lock:

During many amputations the surgeon will perform a myoplasty
What does this consist of:

What muscle is responsible for scapular elevation:

A TF client is seen in clinic, upon doffing the suction socket you notice a red, wart like
formation, and cracked skin distally. Choose the name of this condition AND its cause:

A TH patient is seen in clinic. The patient is utilizing a body powered prosthesis and is
wondering which terminal device would be best suited for holding a broom handle:

With a hip disarticulation prosthesis, what is used for suspension:

When fitting a figure of 8 harness with a NW ring on a TR patient, why is it advantageous
to locate the NW slightly toward the sound side and at the level of C7:

When recommending an ischial containment TF socket what are some of the
biomechanical goals that accompany this design:

With the upper extremity, supination and pronation occur at what joint:

A TF patient is seen in clinic. Upon socket fit evaluation the ischial-tuberosity is not
located on the seat but further down in the socket. What adjustment could you attempt to
remedy this:

Standard bench alignment for a TT prosthesis with a SACH foot in the coronal plane is:

With a below elbow amputation all of these muscles would be transected except:

A TT patient is seen in clinic. The patient has been utilizing a TT prosthesis successfully
for 10 years but the patient has a grade 1 osteochondral defect "OCD" to his medial femoral
condyle that is painful in weight bearing . What alignment change could you incorporate
assist in the clients discomfort:

Many prosthetic knees require the toe to be loaded and un-weighted in order to transition
from stance features to swing features. Why would recommending two knees that function in
this way to a bilateral TF amputee be contraindicated:

Which muscle is the primary forearm supinator:

In reference to TT prosthetics excessive adduction of the prosthetic pylon would cause
what at midstance in gait:

One of the characteristics of the TT total surface bearing socket is:

With a knee disarticulation what adductor muscle is transected:

When evaluating a new trans-metatarsal amputee, what deformity of the foot and ankle
complex is typical without tendon transfers:

The most accurate description of a hydraulic single axis knee is:

All of the following muscles make up the pes anserinus except:

When evaluating fluid TF prosthetic knees, which type of resistance is most adversely
effected by cold environmental temperature changes:

In TF prosthetic alignment the relationship between the posterior socket shelf and the
lateral wall is referred to as:

In determining the correct length of the prosthesis what bony landmark is NOT used:

A TT patient is seen in clinic. At heel strike the SACH prosthetic foot rotates externally.
What is one cause of this gait deviation:

A force of 2 lbs. is exerted on a 1.5 foot lever arm. What amount of force must be exerted
on a 2 foot lever arm to balance the system:

The biceps femoris causes what motion at the hip and knee respectively:

A TF client is seen in clinic, a medial whip is noted in prosthetic gait. What adjustment
would be appropriate to normalize swing phase alignment:

A TF client is seen in clinic, a lateral whip is noted in prosthetic gait. What adjustment
would be appropriate to normalize swing phase alignment:

During normal gait you see the pelvis drop during mid stance. What muscle weakness
could cause this:

When a prosthetic foot inset is increased, socket pressures will become more apparent:

What is the maximum amount of knee flexion contracture that could be fit with a
traditional TT PTB socket:

Which muscle of the quadriceps femoris group will steady the hip joint and help iliopsoas
to flex the thigh:

When evaluating the mechanics of a prosthetic foot, it could be said that the resistance of
the prosthetic keel is acting like which muscular group and what type of muscular contraction:

When aligning the prosthetic socket posterior in relation to the prosthetic foot, forces
present in the socket will increase where:

A TT patient is seen in clinic. When evaluating gait you notice a Trendelenburg sign on
the prosthetic side during midstance. What muscle group would you expect to show low MMT
scores on the prosthetic side:

For prosthetic patients utilizing a cane in rehabilitation, why is it recommended that the
cane be held in the hand opposite the side of involvement? Choose ALL correct answers:

All are bony landmarks that are easily palpable in the lower limb except:

A TF client is seen in clinic, if the patient is utilizing suction suspension you can best
differentiate the socket pressures as ________in stance phase and_________in swing
phase:

An elbow disarticulation patient is seen in clinic for a prosthesis replacement. What type
of articulation at the elbow would be indicated:

When deciding to add a cross back strap to a figure of eight harness. Which material
would be best to fabricate the cross back strap with:

Why are flexible elbow hinges recommended for longer TR amputees:

Partial foot amputees often present with a lack of controlled third rocker late in stance.
What options can assist with this other than a partial foot insert with toe filler:

When recommending a prostheses for a bilateral TR patient what style of suspension
would you not recommend:

When fabricating a TH prosthesis it is important to add pre-flexion to the prosthetic
elbow, why is this:

Transverse tarsal joints allow inversion and eversion of the foot. Choose the other joint(s)
that allow inversion and eversion:

With respect to TF quadrilateral socket measurements, which measurement would the
following calculations be used for? (Measure the ischial level circumference and divide it by
three, then subtract 6mm):

A TR patient needing the ability to vary grip force on small delicate objects would benefit
from which terminal device:

Injury to the superior gluteal nerve will result in what gait deviation:

A force of 9lbs is applied at the harness in a TR prosthesis, in order to maintain the
minimum acceptable efficiency of the cable/cable housing, how much force must be needed in
order to open the prosthetic hook:

When modifying a TF Quadrilateral plaster mold, if you are trying to increase the amount
of adduction on the mold what must you do to maintain a level posterior shelf:

The talus does not articulate with the:

When fabricating TF socket with a hip joint, the hip joint should be located where in
relation to the greater trochanter:

In TF applications, when inadequate socket flexion is incorporated into the prosthesis
what will the patient be unable to do without a gait deviation:

The tibial nerve innervates muscles to the_____portion of the leg, while the deep fibular
nerve innervates muscles on the _____ portion of the leg:

A TT patient is seen in clinic. The patient has been utilizing a TT prosthesis without
problems for years. The patient has PVD and has been experiencing ischemic pain within his
prosthetic socket in what seems to be his gastroc muscles. What should be the most logical
plan of action:

You place a shrinker on a below knee amputee patient 3 weeks post op and notice that he
keeps a pillow under his knee. What joint(s) would you expect a contracture if this persists:

If the sciatic nerve is severed at the level of the ischial tuberosity, muscle function will
NOT be impaired at the:

At heel strike the knee joint is at ____while the ankle joint is at_____:

In normal gait, maximum knee flexion reaches approximately:

The stance phase of gait makes up what percent of the gait cycle during ordinary walking
speeds:

Your patient has a transtibial amputation and was just fitted with a PTB socket. During
your session with the patient for initial fitting, you have him walk in the parallel bars. After
which you inspect the skin of the residual limb. You would not expect redness in what area(s):

When external rotation of the prosthetic foot is needed the toe lever or keel of the foot is
relatively:

During swing phase of the gait cycle what muscles are active to achieve dorsiflexion:

The sciatic nerve innervates all these muscles except:

You are seeing a patient with diagnosis of peripheral vascular disease. What is the
common artery that you can palpate to assess blood flow:

What is the primary function of brachioradialis:

You have a patient that presents for evaluation for an above knee prosthesis. You notice
he has a forward flexed posture. What positive muscle length test would you expect to see
associated with this posture:

Possible causes for knee instability at initial contact in the TF prosthesis include

How would you correct an abrupt knee flexion moment at loading response

If the prosthetic foot is positioned too far posterior in relation to the socket:

Which of the following are muscles of the anterior leg

What functions do muscles of the anterior leg provide?

What functions do the muscles of the posterior leg provide?

Which nerve innervates the muscles of the lateral leg

Which of the following are adductors

Which nerve innervates the muscles of the anterior leg

The semimembranosus, semitendinosus, and biceps femoris are innervated by what nerve and supplied by what artery?

What nerve innervates the muscles of the posterior leg?

The muscles of the lateral leg provide what function?

The femoral nerve innervates which of the following:

What muscles make up the quadriceps group?

The obturator nerve innervates which of the following:

Which of the following are muscles of the posterior leg?

Muscles of the lateral leg include:

Which nerve supplies the extensor digitorum longus and brevis?

What is the primary action and innervation of the Gracilis?

At midstance ground reaction line is as follows:

Muscle activity at initial contact

Which of the following is a tarsal-metatarsal disarticulation?

Excessive socket adduction results in:

At mid-stance, a properly aligned prosthesis will increase pressures at proximal __________ socket with corresponding load on the distal ________.

When prosthetic foot is aligned too far posterior in relation to the socket:

Causes for a fully extended knee at initial contact include

Which of the following muscles originate on the fibular head?

Which muscles are transected in a partial foot amputation that normally counteract the tendency to drift into equinovarus position?

What are possible causes of medial brim pressure in the quad socket?

Which of the following may lead to a circumducted gait?

Which muscles retain their full power in a supracondylar amputation?

The dynamic keel of an energy storing foot substitutes in part for the:

You notice the ischial tuberosity is positioned medial and anterior of desired location in the socket. Possible reasons may be:

Pain in the Scarpa's Triangle may be due to compresison of which nerve: