WorksheetsBIOMECHANICS QUIZ NO 1
Total questions: 30
Worksheet time: 6mins
Abduction and Adduction of the foot occurs in
Sagittal Plane
Frontal Plane
Transverse Plane
Frontal Axis
Professor at a medical university referred to a problem statement where a car moves at a velocity of 5 Km/hr and covers a displacement of 200 Km. Which field of study was he discussing:
Mechanics
Kinetics
Kinematics
Dynamics
What is SI unit for Inertia?
Newton
Pascal
Kg m/s^2
Dimensionless Quantity
Any metal object in free fall, which is under the influence of gravitational forces is undergoing
Rectilinear Motion
Curvilinear Motion
Angular Motion
General Motion
Pronation and Supination of radio ulner joint is an example of
Curvilinear Motion
Rectilinear Motion
General Motion
Angular Motion
An exercise mat weighing 200 N having dimensions of 4 m x 6 m x 0.04 m. How much pressure is exerted by the mat against the floor?
8.33 Pa
8.22 Pa
8.55 Pa
8.10 Pa
Dimensions of the box are 20 cm x 40 cm x 25 cm and it weighs 120 N. Calculate the following:
a. the average density
b. specific weight of the box.
0.0061 Kg/cm^3 0.6
0.00061 Kg/cm^3 0.006
0.00060001 Kg/cm^3 0.006
0.61 Kg/cm^3 0.006
Torque is produced when
the force is applied through the COG
the force is applied away from COG
the force is applied towards the COG
the force is applied perpendicular to the COG
__________________ is an avescular tissue.
Articular Cartilage
Bone
Tendon
Skin
In Articular Cartilage, highest concentration of proteoglycons is present in __________.
Superficial Zone
Middle Zone
Deep Zone
Subchondral Bone
Bone contains significant amount of collage type ________.
I
II
III
IV
Shoulder girdle elevation and depression occurs in __________ plane.
Sagittal
Coronal
Transverse
Horizontal
___________ divides calcified and non calcified tissues.
Sub chondral bone
Fibro cartilage
Articular cartilage
Tidemark
Synchondrosis comes under the category of _____________
Synarthrosis
Diarthrosis
Amphiarthrosis
Synovial Joint
Close pack position for inter phalangeal joint is _____________
Full Flexion
Full Extension
Fist Position
20o Abduction
Golgi Tendon Organs are responsible for a reflex response called _______________.
Reciprocal Inhibition
Stretch Reflex
Deep Tendon Reflex
Autogenic Inhibition
PNF is an acronym of _______________________
Proprioceptive Neuro Muscular Facilitation
Progressive Neuro Muscular Facilitation
Propriceptive Neuro Vascular Facilitation
Peripheral Nerve Fibre
56% of body weight is supported by L5 vertebra. How much stress will be present on 20 cm2 of that vertebra in a man weighing 800 N holding a ball of 35 N.
24.5 N/cm2
24.105 N/cm2
24.15 N/cm2
24.51 N/cm2
Bone tissue is strongest in resisting compressive forces almost half as strong as in resisting tensile forces and about one fifth in resisting shear forces. If tensile force of 500 N is enough to produce fracture, what will be required compressive and shear forces in producing fracture?
Compressive = 1000 N Shear = 200 N
Compressive = 100 N Shear = 200 N
Compressive = 1000 N Shear = 2000 N
Compressive = 1000 N Shear = 20000 N
Change in muscle length acts as a stimulant for which sensory receptor?
Tendon
Golgi Tendon Organ
Muscle Spindle
Muscle Fibre
___________ bone can undergo more strain.
Cortical
Epiphyseal
Diphyseal
Compact
According to the Wolff's Law, there exists a ___________ relationship between bone strength and forces acting on the bone.
Direct
Inverse
Greater
Lesser
_____________ is responsible for circumferencial growth of bone.
Epiphyseal Plate
Outer layer of Periosteum
Inner layer of Periosteum
Osteocytes
Inorganic component of bone matrix is ________________.
Water
Calcium carbonate and Calcium phosphate
Ground substance
Colligen
Osteocytes in mature bone reside inside ______________.
Canaliculi
Lamellae
Haversian Canal
Lacunae
Precursor cells of bone forming cells are _______________.
Osteocytes
Osteoclasts
Osteoblasts
Osteogenic cells
Fracture occurring at right angle to the axis of bone is _______________.
Transverse fracture
Oblique fracture
Spiral fracture
Greenstick fracture
Range of motion present when a body segment is passively moved refers to ____________________.
Dynamic flexibility
Static flexibility
Active stretching
Passive stretching
Which of the following in included in hold-relax technique of PNF?
Isotonic Contraction
Isometric Contraction
Eccentric Contraction
Concentric Contraction
Stretching or tearing of ligament is called _____________.
Twist
Strain
Sprain
Fracture
