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92 Cards in this Set
- Front
- Back
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The medial trabecular system of the femur...
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is primarily under compressive loads.
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With regard to the hip joint, ossification of the acetabulum typically occurs between
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15 and 25 years of age.
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Lumbar-pelvic rhythm...
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is a combination of movements at several joints that serves to increase flexion ROM.
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When in single limb support, using a contralateral cane...
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All of the statements are true.
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The "zone of weakness"...
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Correct refers to the superior portion of the femoral neck that has less trabecular pattern.
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The angle of inclination at the hip...
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is normally 125 degrees in adults.
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With regard to the angle of torsion in the hip,
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it can normally range from 8 to 30 degrees and is termed anteversion.
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Trendelenburg gait...
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can result from a painful hip joint or hip joint DJD
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Which of the following statements is true? re CPP of the hip
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CPP of the hip occurs in a position of maximum extension, abduction, and internal rotation.
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An increase in the angle of inclination...
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can result in a compensatory coxa valgus.
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The humeroulnar joint...
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"slides" more than it "rolls".
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When performing elbow flexion with the forearm fully pronated...
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the biceps brachii M is centrally inhibited.
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Which of the following statements is true regarding the biceps brachii M?
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Correct All of the statements are true.
Incorrect It is a very effective supinator at 90 deg of elbow flexion. |
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Lateral epicondylitis...
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involves the proximal attachment of the wrist extension musculature.
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The radiocarpal joint...
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includes the triquetrum.
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During a wrist movement from a neutral position to full flexion...
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the distal carpal row glides in a volar direction.
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The "carrying angle"...
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can be described as a valgus position of the ulna relative to the humerus.
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When performing a maximum isometric grip...
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the triceps become active to resist shoulder flexion.
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The medial collateral ligament at the elbow is
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triangle shaped and has 3 parts.
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The "carrying angle" at the elbow...
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typically disappears when the forearm is pronated (with the elbow in full extension).
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The lumbosacral angle...
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varies with the position of the pelvis and affects the lumbar curvature.
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The brachioradialis M. ...
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creates a compression force at the elbow joint.
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The joint capsule at the elbow...
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is reinforced medial and laterally by ligaments.
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Sacral nutation...
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occurs during ambulation.
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The 45 degree anterior offset of the distal humerus...
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allows the ulna and humerus to be almost parallel before the coronoid process limits the motion.
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The bracialis M. is cosidered a spurt muscle with it's largest MA at
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at 100 degrees of flexion.
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The SIJ...
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has a fibrous iliac side and a synovial sacral side.
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Flex/ext and lateral flexion of the lumbar spine produce mainly compressive and
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tensile disc forces.
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A structural right thoracic scoliosis...
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does not disappear with right side-bending.
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An anterior pelvic tilt...
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increases the shear stress at the L5-S1 junction.
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When a disc buldges posteriorly without rupturing the annulus fibrosus, this is called...
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a disc protrusion.
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The CT and CV joints...
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allow a "pump-handle" motion of ribs 2 though 6 during breathing.
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Lumbar-pelvic rhythm implies...
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a relationship exists between the lumbar spine and pelvic motion during forward flexion.
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The superior facets in the thoracic vertebrae face...
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posterior, superior, and lateral.
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If lifting a box creates a flexion torque of 240N-cm and the back extensors have a 6cm MA, the muscle force required to hold the load is...
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40 newton
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The Cobb angle...
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quantifies the lateral curvature of the spine.
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Transient scoliosis...
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can result from an inflammatory process.
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The "toe" region of a stress-strain plot of a cervical spine ligament...
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can indicate instability.
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Intervetebral disks...
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are "taller" anterior than posterior in the cervical region.
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Lateral cervical flexion results in the spinous processes rotating in the opposite direction.
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Lateral cervical flexion results in the spinous processes rotating in the opposite direction.
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The ligamentum flavum...
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is "pre-loaded" in a neutral cervical spine position.
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When standing bilaterally with "optimal" posture (chapter 13 in Joint Structure and Function)...
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the LOG passes anterior to the knee, but posterior to the patella.
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In a typical human vertebral column...
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All answers are correct.
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The articular pillars in a typical vertebrae...
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have an extensive trabecular pattern.
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A cervical spine "motion segment"...
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All of the answers are correct.
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The C1 vertebrae...
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has enlarged facets to distribute the load of the head.
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An example of a measurement that uses an "absolute" frame of reference is...
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the patient was able to jump 2 feet off of the floor.
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Curvalinear motion...
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contains both rotational and translational components.
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The reliability of a goniometric measurment can be improved by...
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focusing on the alignement of the goniometric arms.
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From anatomical position, flexion and extension movements occur in the __________ plane.
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sagittal
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An accessory motions is...
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a movement between joint surfaces which is produced by forces applied by the examiner.
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An example of an osteokinematic motion is...
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shoulder abduction.
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From anatomical position, frontal plane motions occur around a(n) __________ axis.
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anterior/posterior
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Arthrokinematics
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concerned with the movement of articular surfaces in relation to the movement of the distal extremity.
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The term "validity" deals with
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the degree to which an instrument measures what it is purported to measure.
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Open kinetic chain excercises can be defined as...
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non-weight bearing with movement occuring at a single joint.
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When two or more forces act in the same plane, they are always...
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coplanar
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When holding a weight in your hand with your arm in 90 degs of elbow flexion...
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the brachioradialis M is considered to be a shunt muscle.
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An example of a second class lever in a human system is...
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weight bearing PF at the talocrural joint.
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If the line-of-force of a load goes directly through the axis of rotation...
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there is zero torque.
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Moment of inertia is...
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the property of a body to resist change rotary motion.
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The center-of-mass (COM)...
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all of the above
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Separating a force vector into rotary and compressive/distractive components is called...
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resolution
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The perpendicular distance between the line-of-action of a force and the axis of rotation can be defined as the...
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moment arm
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Force couples...
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produce rotation without translation.
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The SC joint...
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is a saddle-shaped joint in which the clavicular component is convex when viewed in the frontal plane (elevation/depression).
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The following statement is true.
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The seratus anterior M. limits scapular winging during motions of humeral abduction and flexion.
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The "convex-on-concave" rule says that...
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All of the answers are correct.
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The coracoclavicular ligament...
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is divided into a lateral portion (trapeziod) and a medial portion (conoid).
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The motion elevation/depression...
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is found at both the ST and SC joints
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The humeral head...
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has a 130 to 150 degree angle of inclination in the frontal plane.
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The rotator cuff muscles...
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All of the answers are correct.
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The SC joint structure that is primarily responsible for limiting clavicular depression is the...
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interclavicular ligament.
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A distal-to-proximal (or lateral-to-medial) force applied to the clavical...
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is resisted by the SC joint disk.
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CKC flexion of the knee joint results in...
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a posterior roll and anterior glide.
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The Q angle uses what has measurement landmarks?
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uses the ASIS, patella, and tibial tuberosity as measurement landmarks.
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Femoral anteversion can increase the potential for
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patellar subluxation
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Short-arc quad exercises can be used to exercise knee extensors when...
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patellofemoral pain exists
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The meniscus in the knee increases this surface area
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the curvature of the tibial plateau
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During CKC, the ACL contributes to:
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the anterior glide of the femur
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A valgus force (from lateral to medial) at the knee can increase the tensile load on...
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the MCL
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the patella increases....
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the muscles' ability to produce torque
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unlocking of the screwhome mechanism involves what muscle?
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the popliteus
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The midtarsal joint allows what movement with IR of the lower limb?
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allows relative forefoot supination with IR of the lower limb.
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With talocural DF...
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the distal fibula moves superior, and rotates medially relative to the tibia.
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The medial longitudinal arch of the foot is supported by...
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is supported (in part) by the spring ligament and the tibialis posterior.
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The axes of the midtarsal joint...
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converge with subtalar supination.
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Which of the following statements is true regarding the subtalar joint?
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It is a triplanar joint that allows the foot to stay on the ground while the lower limb is rotating.
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The distal tibiofibular joint is considered a
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syndesmosis
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Excessive pronation can cause...
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All of the statements are true.
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The anterior tibialis M is responsible for ....
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is responsible for eccentrically controlling PF and pronation of the foot during the contact phase of ambulation.
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A supination twist is linked to:
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linked to 1st ray DF and inversion.
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