KHP415 Final Exam Quizzes 6-12 (Fan Gao)
QUIZ 10
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QUIZ 11
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QUIZ 12
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QUIZ 6
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QUIZ 7
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QUIZ 8
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QUIZ 9
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Which of the following is/are characteristic of fast-twitch oxidative glycolytic fibers? A. Fatigue rate is intermediate (faster than type I but slower than type IIB). B. both contraction speed and fatigue rate are intermediate C. none of the choices are correct D. Contraction speed is intermediate (faster than type I but slower than type IIB).
A. Fatigue rate is intermediate (faster than type I but slower than type IIB).
Which of the following are accurate units for centripetal force? A. N B. N-kg·m C. kg·m2/s D. kg·deg2/s
A. N
A skater gliding on ice will continue to move in the same direction and with the same speed (in the absence of the action of additional forces). This exemplifies which of the following laws? A. Newton's first law of inertia B. Newton's law of gravitational force C. Newton's second law of acceleration D. Newton's third law of action/reaction
A. Newton's first law of inertia
Which statement(s) is/are true? A. When muscles are fatigued, ligaments are at a greater risk of injury. B. neither of the statements is true C. both of the statements are true D. When ligaments are fatigued, muscles are at a greater risk of injury.
A. When muscles are fatigued, ligaments are at a greater risk of injury.
In which of the following situations is maximal stability desirable? A. a Sumo wrestler's crouched defensive stance B. maximal stability is desirable in neither situation C.a swimmer's starting position on the blocks before a race D. maximal stability is desirable in both situation
A. a Sumo wrestler's crouched defensive stance
Which of the following are characteristics of diarthrodial joints? A. all of the choices are true B. An articular capsule surrounds the joint. C. They are lubricated by synovial fluid. D Articulating bone surfaces are covered with articular cartilage. E. Both the articulating bone surfaces are covered with articular cartilage and an articular capsule surrounds the joint.
A. all of the choices are true
Pronation and supination of the forearm occur at which of the following joints? A. at the proximal radioulnar joint and the distal radioulnar joint B. proximal radioulnar joint C. none of the of the choices are correct D. distal radioulnar joint
A. at the proximal radioulnar joint and the distal radioulnar joint
Loss of bone mass has been found in which of the following? A. both bed-ridden patients and astronauts B. astronauts C. tennis players D. bed-ridden patients E. all of the choices are correct
A. both bed-ridden patients and astronauts
Which of the following statements is/are true regarding the strength of bone? A. both of the choices are correct. B. neither of the choices is correct. C. Cortical bone can withstand more stress than trabecular bone. D. Trabecular bone can withstand more strain than cortical bone.
A. both of the choices are correct.
Which of the following statements regarding bone growth is true? A. both of the choices are true B. Longitudinal growth continues only as long as the epiphyses exist. C. neither of the choices is true D. Circumferential growth continues throughout most of the lifespan.
A. both of the choices are true
Third class lever systems favor which of the following? A. both speed and range of motion B. range of motion C. all of the choices are correct D. speed E. strength
A. both speed and range of motion
Which of the following terms is used to describe bone with relatively high porosity? A. both trabecular and spongy B. all of the terms are used to describe bone with relatively high porosity. C. trabecular D. spongy E. cortical
A. both trabecular and spongy
Cortical bone is strongest in resisting which type of stress? A. compressive stress B. none of the choices is correct C. shear stress D. tensile stress
A. compressive stress
What type of muscle contraction is employed by the elbow flexors when slowly lowering your backpack to your desk? A. eccentric B. concentric C. isokinetic D. isometric
A. eccentric
Torque is the angular analogue of what? A. force B. impulse C. mass D. momentum
A. force
Muscle hypertrophy in humans is primarily due to what? A. increase in size of muscle fibers B. increase in number of muscle fibers C. both an increase in number of muscle fibers an increase in size of muscle fibers D. none of the choices are correct
A. increase in size of muscle fibers
Which of the following is true of the coefficient of restitution of a racquetball? A. it is a number relating to the elasticity of a ball against a particular surface B. it depends solely on the type of material of which the ball is made C. it depends on the size of the ball as well as the type of material D. it depends solely on how hard the ball is hit
A. it is a number relating to the elasticity of a ball against a particular surface
Which of the following are accurate units for moment of inertia? A. kg·m2 B. N·m2 C. kg·m D. N·m
A. kg·m2
Energy of motion is also called what? A. kinetic energy B. elastic energy C. strain energy D. potential energy
A. kinetic energy
Which of the following is not a rotator cuff muscle? A. all of the choices are rotator cuff muscles B. infraspinatus C. subscapularis D. teres major E. supraspinatus
D. teres major
When an opposing torque at a joint is greater than the torque created by a muscle, what type of contraction occurs in that muscle? A. isometric B. eccentric C. isotonic D. concentric
B. eccentric
Which of the following types of muscle tension is commonly used as a braking mechanism to slow limb movement? A. concentric B. eccentric C. isotonic D. isometric
B. eccentric
Somersaulting occurs around which of the following axes of rotation? A. sagittal B. frontal C. longitudinal D. all of the choices are correct
B. frontal
Which of the following statements is true of the amount of horizontal force required to start an object sitting on a horizontal surface in motion? A. it must be greater than the coefficient of kinetic friction B. it must be greater than the maximum static friction force C. it must be greater than the maximum kinetic friction force D. it must be greater than the coefficient of static friction
B. it must be greater than the maximum static friction force
What will happen to the COM of a human body if the arms are raised up overhead? A. need more information to predict B. it will move up C. it will not change D. it will move down
B. it will move up
Why is a bat easier to swing if you grip the barrel instead of the handle? A. moment of inertia is increased B. k is reduced C. easier to grip the barrel D. k is increased
B. k is reduced
Which of the following relationships is correct? A. F = m / a B. m = F / a C. a = m / F D. none of the choices are correct
B. m = F / a
Which of the following variables contribute to moment of inertia? A. M and v B. m and d C. F and d D. T and t
B. m and d
The perpendicular distance between the line of force and the axis defines what? A. fulcrum B. moment arm C. torque D. none of the choices are correct
B. moment arm
The stretch reflex, or myotatic reflex, is provoked by activation of which of the following in a stretched muscle? A. neither muscle spindles nor Golgi tendon organs B. muscle spindles C. both muscle spindles and Golgi tendon organs D. Golgi tendon organs
B. muscle spindles
When a cyclist rounds a curve, where does centripetal force act? A. on the ground B. on the tires of the cycle C. on the cycle's center of gravity D. on the cyclist's center of gravity
B. on the tires of the cycle
Specialized bone cells that build new bone tissue are called what? A. osteoclasts B. osteoblasts C. periosteum D. epiphysis
B. osteoblasts
Movement of the hand at the wrist toward the thumb side of the arm (frontal plane) is known as which of the following? A. ulnar deviation B. radial deviation C. adduction D. abduction
B. radial deviation
Which of the following does not attach to the calcaneus? A. plantaris B. sartorius C. gastrocnemius D. soleus
B. sartorius
Which connective tissue attaches muscle to bone? A. both ligaments and tendons B. tendons C. ligaments D. none of the choices attaches muscle to bone
B. tendons
Which of the following is true about the rotator cuff muscles? A. none of the choices are true about the rotator cuff muscles B. they work together to hold the head of humerus in glenoid fossa C. they work together both with the deltoid for extension and to hold the head of humerus in glenoid fossa D. they work together with the deltoid for extension
B. they work together to hold the head of humerus in glenoid fossa
What is/are the purpose(s) of the scapula muscles? A. move the scapula B. to both stabilize and move the scapula C. none of the choices are purposes of the scapula muscles D. stabilize the scapula
B. to both stabilize and move the scapula
Which of the following mechanical quantities is notdependent on time? A.kinetic energy B. work C. velocity D. power
B. work
Which of the following is not a hamstring muscle? A. semitendinosus B.gluteus maximus C. semimembranosus D. biceps femoris
B.gluteus maximus
In foot, which bone in the illustration is Navicular?
C-the yellow
Hinge joints have how many axes or degrees of freedom? A. 3 B. none C. 1 D. 2
C. 1
In the human body, most of the lever systems formed by muscles pulling on bones are what class? A. 2nd class B. 1st class C. 3rd class D. no particular class is dominant
C. 3rd class
A 500N gymnast performing a giant swing with an angular velocity of 5 rad/sec, exerts 90 Nm of torque on the support bar. How much torque is exerted by the bar on the gymnast's hands? A. 2500 Nm B. 590 Nm C. 90 Nm D. 100 Nm
C. 90 Nm
Which of the following statements is/are true? A. Parallel muscles are capable of producing more range of motion than pennate muscles. B. For pennate muscle PCSA (physical across-sectional area) is always larger than ACSA (anatomical cross-sectional area). C. All of the statements is true. D. Pennate muscles are capable of producing more tension per unit of cross-sectional area than parallel muscles.
C. All of the statements is true.
Which of the following would be typical for vertical ground reaction force (GRF) during running? A. GRF = ½ body weight B. GRF = body weight C. GRF = 2 X body weight D. None of the choices are correct
C. GRF = 2 X body weight
The tarsals are examples of what type of bones? A.flat bones B. long bones C. short bones D. irregular bones
C. Short bones
Which of the following affects the force-generating capability of a muscle? A. the muscle length and cross-sectional area B. the velocity of muscle shortening C. all of the choices affect the force-generating capability of a muscle D. the angle and distance from the joint center of the tendon attachment to bone
C. all of the choices affect the force-generating capability of a muscle
Joint stability is affected by which of the following? A.arrangement and size of ligaments B. shape of the articulating bones C. all of the choices are correct D. area of contact between the bones
C. all of the choices are correct
Which of the following is a behavioral property of muscle tissue? A. irritability B. ability to develop tension C. all of the choices are correct D. extensibility
C. all of the choices are correct
Which of the following is part of the axial skeleton? A. the skull B. the sternum C. all of the choices are part of the axial skeleton. D. The vertebrae
C. all of the choices are part of the axial skeleton.
Range of motion at a joint is influenced by which of the following? A. shape of the articulating surfaces B. relative laxity and extensibility of the muscles crossing the joint C. all of the choices influence range of motion at a joint. D. joint capsule
C. all of the choices influence range of motion at a joint.
Which of the following activities may promote the development of rotator cuff impingement syndrome? A. swimming B. throwing C. all of the choices may promote the development of rotator cuff impingement syndrome D. serving in tennis
C. all of the choices may promote the development of rotator cuff impingement syndrome
Which of the following must be true for an object to be in a state of static equilibrium? A. the sum of all horizontal forces acting on the object must be equal to zero B. the sum of all vertical forces acting on the object must be equal to zero C. all of the choices must be true D. the sum of all torques acting on the object must be equal to zero
C. all of the choices must be true
Regarding moment of inertia of the leg with respect to the hip, which of the following leg morphologies would favor a sprinter? A. massive lower legs and slimmer thighs B. leg morphology does not matter C. massive thighs and slimmer lower legs * D. need more information
A. massive lower legs and slimmer thighs
Where is the weakest point of the femur? A. neck B. head C. shaft D. greater trochanter
A. neck
When flexing the elbow, the biceps brachii, brachioradialis, and brachialis are the three major agonists recruited to perform this movement because all cause flexion at the elbow. However, the biceps also cause supination, an undesired movement. Therefore another muscle acting as a ________, causing ________ must be recruited to prevent the undesired motion. A. neutralizer, pronation B. stabilizer, pronation C. stabilizer, extension D. neutralizer, extension
A. neutralizer, pronation
The strong layer of fibrous tissue which covers the plantar muscles of the foot is called what? A. plantar fascia B. plantar interossei C. longitudinal ligament D. plantar flexion
A. plantar fascia
Which of the following muscles serves to "unlock" the knee from full extension? A. popliteus B. gracilis C. sartorius D. plantaris
A. popliteus
What determines the time a horizontally projected object remains in the air? A. projection height B. all of the choices are correct C. mass D. weight
A. projection height
When a skier's body rotates in a direction opposite of the foot (held steady by the boot), what type of fracture is likely in the tibia? A. stress B. depressed C. spiral D. impacted
A. stress
The biceps brachii is strongest and most effective as an elbow flexor when the forearm is in what position? A. supinated B. neutral C. does not matter D. pronated
A. supinated
The knee is an example of which type joint? A. synovial B. fibrous C. synarthroses D. amphiarthroses
A. synovial
Where is the series elastic component (SEC) of a muscle found? A. tendons B. ligaments C. muscle membrane D. all of the choices are correct
A. tendons
A 30 kg child sits on the right end of a see-saw 1 m from the axis. If a 20 kg child sits on the left end of the see-saw 2 m from the axis, what will happen? A. the see-saw will tilt to the left B. the see-saw will balance C. the see-saw will tilt to the right D. need more information to predict outcome
A. the see-saw will tilt to the left
Which of the following is an irregular bone? A. vertebrae B. femur C. rib D. radius
A. vertebrae
As arm elevation proceeds______ degrees the scapula rotates approximately 1 degree for every 2 degrees of movement of the humerus. A. 30 B. 20 C. 60 D. None of above.
A.30
Which of the following is a unique behavioral property of muscle tissue? A.ability to develop tension B.irritability C. extensibility D. all of the choices are correct
A.ability to develop tension
The amount of torque which must by generated by the biceps brachii at the elbow in order to maintain the arm in a particular position is 50 Nm. If the biceps attaches to the radius at a perpendicular distance of 3 cm from the joint center at the elbow, how much force must the muscle produce? A. 1.5 N B. 1667 N C. 150 N D. 17 N
B. 1667 N
The water content of bone makes up approximately what percentage of the total bone weight? A. 5% - 10% B. 25% - 30% C. 40% - 50% D. 15% - 20%
B. 25% - 30%
Which of the following statements is/are true? A. none of the statements is correct. B. The hip is more stable than the shoulder and The shoulder has more range of motion than the hip. C. The shoulder has more range of motion than the hip. D. The hip is more stable than the shoulder.
B. The hip is more stable than the shoulder and The shoulder has more range of motion than the hip.
Which of the following statements is true? A. When movement is fast, fast twitch fibers are recruited first. B. When movement is slow, slow twitch fibers are recruited first. C. None of the statements are true. D. Both of the statements are true.
B. When movement is slow, slow twitch fibers are recruited first.
Which of the following quantities would be different on the moon than on the earth? A. both mass and acceleration B. acceleration due to gravity C. neither mass nor acceleration D. mass
B. acceleration due to gravity
What is the result when a ligament is stretched beyond its elastic limit? A. Joint stability may be compromised. B. all of the choices are possible results when a ligament is stretched beyond its elastic limit. C. Ligament is permanently elongated. D. A sprain occurs
B. all of the choices are possible results when a ligament is stretched beyond its elastic limit.
Which statement is true regarding moment arm? A. Both that the moment arm is largest when the angle of pull on a bone is 90° and that changes in moment arm directly affect joint muscle torque B. all of the statements are true regarding moment arm. C. For torque to remain constant, more force must be produced when moment arm decreases. D. Moment arm is largest when the angle of pull on a bone is 90°. E. Changes in moment arm directly affect joint muscle torque.
B. all of the statements are true regarding moment arm.
During the down phase of a knee extension exercise, what role does the hamstring group play? A. neutralizer B. antagonist C. stabilizer D. agonist
B. antagonist
A fracture caused by a tendon or ligament pulling a small chip of bone away from the rest of the bone is called what? A.simple fracture B. avulsion fracture C. compound fracture D. spiral fracture
B. avulsion fracture
Which of the following quantities is zero for an object in static equilibrium? A. kinetic energy B. both momentum and kinetic energy C. neither A nor B D. momentum
B. both momentum and kinetic energy
Which of the following components of bone provides it with flexibility? A. calcium carbonate B. collagen C. water D. calcium phosphate
B. collagen
During the kicking and follow-through phases of a punt, the quads are experiencing what type of contraction? A. eccentric B. concentric C. isometric D. isokinetic
B. concentric
Metacarpophalangeal joints 2 - 5 are what type joints? A. hinge B. condyloid C. none of the choices are correct D. saddle
B. condyloid
Which of the following is/are accurate formula(s) for angular momentum? A. H = Iw B. H = mk2w C. both H = Iw and H = mk2w D. M = mv E. all of the formula's are correct
C. both H = Iw and H = mk2w
Which of the following is a potential disadvantage of multijoint muscles? A. active insufficiency B. none of the choices are correct C. both active and passive insufficiency D. passive insufficiency
C. both active and passive insufficiency
How can a cyclist maintain balance when rounding a sharp curve? A. lean to the inside of the curve B. slow down C. both slow down and lean to the inside of the curve D. lean to the outside of the curve E. none of the above will affect balance
C. both slow down and lean to the inside of the curve
If total body angular momentum is 0, what will happen as the result of a forceful movement such as a spike? A. angular momentum is no longer 0 B. compensatory rotation in upper body called follow-through C. compensatory rotation in lower body in opposite direction D. all of the choices are correct
C. compensatory rotation in lower body in opposite direction
Torque is the angular analogue of what? A. momentum B. mass C. force D. impulse
C. force
How do bones typically respond to stress? A. no change, as long as the epiphysis has sealed B. it is impossible to predict how a bone will respond to stress C. hypertrophy D. atrophy
C. hypertrophy
The product of a force and the time during which it acts defines what? A. acceleration B. momentum C. impulse D. velocity
C. impulse
If a diver goes from a full layout position to a tuck position, what will happen to her angular velocity? A. need more information B. remain the same C. increase D. decrease
C. increase
Which of the following correctly describes impact? A. small force applied over a short period of time B. small force applied over a long period of time C. large force applied over a short period of time D. large force applied over a long period of time
C. large force applied over a short period of time
Rotating around which of the following principal axes of rotation has the least moment of inertia (anatomical position)? A. need more information B. anteroposterior (sagittal) C. longitudinal D. transverse (frontal)
C. longitudinal
Which quantity is not a force? A. friction B. gravity C. mass D. weight
C. mass
Which of the following relationships is always true? A. ms < mk B. mk = ms C. mk < ms D. none of the above
C. mk < ms
Which of the following terms best describes the rate of torque production at a joint? A. muscular strength B. mechanical work C. muscular power D. muscular energy output
C. muscular power
Why do sprint coaches stress "heel to buttocks" during sprinting? A. reduces moment of inertia of the lower leg with respect to the knee B. reduces moment of inertia of the foot with respect to the ankle C. reduces moment of inertia of the leg with respect to the hip D. there is no scientific basis for this coaching cue
C. reduces moment of inertia of the leg with respect to the hip
Which of the following is an example of a flat bone? A. maxilla B. talus C. scapula D. radius
C. scapula
In which of the following activities do the biceps brachii function as antagonists? A. straightening the elbow during a pull-up B. both straightening the elbow during a push-up and a pull-up C. straightening the elbow during a push-up D. curling a barbell from the floor to waist height
C. straightening the elbow during a push-up
Which of the following is part of the appendicular skeleton? A. the sternum B. all of the choices are correct C. the humerus D. the skull
C. the humerus
The higher the jump, the "harder" the landing. This statement reflects which of the following laws? A. the law of inertia B. the law of momentum C. the law of action-reaction D. the law of torque
C. the law of action-reaction
The large range of movement of the thumb compared to that of the fingers is derived from the structure of which of the following? A. all of the choices are correct B. the thumb's metacarpophalangeal joint C. the thumb's carpometacarpal joint D. the thumb's intermetacarpal joint
C. the thumb's carpometacarpal joint
Which of the following time periods is termed electromechanical delay? A. the time required for conduction of the nerve impulse to the neuromuscular junction B. the time required for a muscle to reach peak tension after the development of tension is initiated C. the time required for the muscle to initiate the development of tension after receipt of the nerve impulse D. the time required for the nerve impulse to cross the neuromuscular junction
C. the time required for the muscle to initiate the development of tension after receipt of the nerve impulse
Which of these muscles is not a mover of the humerus? A. biceps brachii B. deltoid C. trapezius D. coracobrachialis
C. trapezius
The relative efficiency of a lever is proportional to which of the following? A.the amount of force needed to move the lever B.length of the force arm C.mechanical advantage of the lever D. length of the resistance arm
C.mechanical advantage of the lever
A seesaw is an example of which class of lever? A.2nd class B. not a lever C. 3rd class D. 1st class
D. 1st class
The resistance arm (RA) will always be longer than the force arm (FA) in what class lever? A. none of the classes are correct B. 2nd class C. 1st class D. 3rd class
D. 3rd class
Which of the following is/are factor(s) influencing joint flexibility? A. Temperature B. Age C. Gender D. All of the above
D. All of the above
Which of the following is a correct unit of mechanical energy? A. Watts B. kg-m C. kg/m D. Joules
D. Joules
The statement "a rotating body will maintain a state of constant angular motion unless acted on by an external torque" refers to which of the following? A. Newton's second law of acceleration B. none of the choices are correct C. Newton's third law of action/reaction D. Newton's first law of inertia
D. Newton's first law of inertia
According to Newton's 2nd Law, what is the relationship among torque, moment of inertia, and angular acceleration? A. I = Ta B. T = Iw C. a = TI D. T = Ia
D. T = Ia
Which statement(s) is/are true? A. both of the statements are true B. neither of the statements is true C. When ligaments are fatigued, muscles are at a greater risk of injury. D. When muscles are fatigued, ligaments are at a greater risk of injury.
D. When muscles are fatigued, ligaments are at a greater risk of injury.
Which of the following most accurately describes a motor unit? A. a single muscle fiber and a single motor neuron B. none of the choices are correct C. a single muscle fiber and several motor neurons D. a single motor neuron and all muscle fibers it innervates
D. a single motor neuron and all muscle fibers it innervates
A muscle directly involved in causing a segment to move is called what? A. neutralizer B. stabilizer C. antagonist D. agonist
D. agonist
Which of the following is associated with triaxial joints? A. ball and socket B. hip C. 3 axes D. all of the choices are associated with triaxial joints
D. all of the choices are associated with triaxial joints
Which of the following is a characteristic of torque? A. it is a vector quantity B. it is characterized by direction C. it is characterized by magnitude D. all of the choices are characteristics of torque
D. all of the choices are characteristics of torque
Which of the following is true regarding bursitis? A. inflammation B. frictional irritation in one or more bursae C. it is both an overuse injury and frictional irritation in one or more bursae. D. all of the choices are correct E. overuse injury
D. all of the choices are correct
Which of the following is/are true about the menisci in the knee joint? A. absorb shock B. larger surface area to distribute load C. made of cartilage D. all of the choices are true
D. all of the choices are true
In the absence of external torque, which of the following will increase when moment of inertia decreases? A. none of the choices will increase when moment of inertia decreases B. both angular momentum and angular velocity C. angular momentum D. angular velocity
D. angular velocity
What happens when osteoclast activity exceeds osteoblast activity? A. none of the choices are correct B. bone mass increases C. bone modeling D. bone mass decreases
D. bone mass decreases
Which of the following pairs of quantities are expressed in the same units of measure? A. neither friction & weight nor work & energy B. friction and weight C. work and energy D. both friction & weight and work & energy
D. both friction & weight and work & energy
Which of the following has significant contribution to joint stiffness? A. muscles and their fascial sheaths B. tendons C. joint capsule including ligaments D. both joint capsule including ligaments & muscles and their fascial sheaths
D. both joint capsule including ligaments & muscles and their fascial sheaths
Which of the following is/are two-joint muscle(s)? A. soleus B. biceps femoris C. rectus femoris D. both rectus femoris and biceps femoris E. all of the choices are true
D. both rectus femoris and biceps femoris
Which of the following activates the muscle spindles? A. none of the choices are true B. ballistic stretching C. knee-jerk test D. both the knee-jerk test and ballistic stretching
D. both the knee-jerk test and ballistic stretching
If an object of constant mass travels with a constant velocity, which statement is true? A. momentum is constant B. none of the above C. acceleration is 0 D. both the momentum is constant and acceleration is 0
D. both the momentum is constant and acceleration is 0
Which of the following does not increase stability? A. lower the COG B. increase size of base of support C. increase friction D. decrease mass
D. decrease mass
When knee flexion is increased, what happens to the moment of inertia of the leg about the hip? A. remains the same B. need more information C. increased D. decreased
D. decreased
Which of the following is an example of a uniaxial joint? A. base of thumb B. carpals C. hip D. elbow
D. elbow
The hip joint is the articulation between the ______ and the _______. A. femur, tibia B. none of the choices are correct C. femur, spine D. femur, acetabulum
D. femur, acetabulum
The principle of conservation of momentum restates which of Newton's laws? A. action/reaction B. acceleration C. gravitation D. inertia
D. inertia
A contraction in which there is not a change in length is called what? A. dynamic B. isokinetic C. concentric D. isometric
D. isometric
A goniometer is used to directly measure what? A. muscle flexibility B. both muscle flexibility and joint range of motion C. none of the choices are correct D. joint range of motion
D. joint range of motion
What are the appropriate units for angular momentum? A. kg·m/s2 B. kg2·m/s C. kg·m2 D. kg·m2/s
D. kg·m2/s
Moment of inertia is the angular analogue of what? A. moment of force B. moment of time C. surface area D. mass
D. mass
The capacity for doing work that a body possesses because of its height or position is called what? A. moment of inertia B. kinetic energy C. mechanical power D. potential energy
D. potential energy
Which of the following inserts on the patella? A. none of the choices are correct B. hamstrings C. both hamstrings and quadriceps D. quadriceps
D. quadriceps
Which of the following will benefit mobility? A. increase base of support B. increase mass C. increase friction D. raise center of gravity
D. raise center of gravity
Which of the following terms is defined as deformation divided by original length? A. stress B. elasticity C. strength D. strain
D. strain
When a muscle contracts at a joint, which of the following affects torque? A. the stabilizing component of muscle force B. the dislocating component of muscle force C. none of the choices affect torque D. the rotary component of muscle force
D. the rotary component of muscle force
Which of the following terms does not fit with the others? A. carpals B. short bones C. gliding movements D. uniaxial
D. uniaxial
Which of the following statement regarding mechanical advantage (MA) is true? A. MA is always larger than 1 in class II lever B. all of the statements are true C. both A and B D. MA is always equal to 1 in class I lever E. MA is always less than 1 in class III level
E. MA is always less than 1 in class III lever
Which of the following is/are characteristic(s) of bursae? A.They separate skin from bones to reduce friction. B. They separate tendons from bones to reduce friction. C. They are associated with synovial joints and They separate tendons from bones to reduce friction. D. all of the above E. They are associated with synovial joints.
E. They are associated with synovial joints