Font size
WorksheetsANATOMY RETAKE 1stSEM FINAL
Total questions: 100
Worksheet time: 53mins
What is equilibrium?
The ability of the body to run fast
The state of balance that helps maintain posture and stability
The force that makes objects move
The body’s ability to jump high
Which example best shows equilibrium?
Running
Swimming
Standing on one leg
Throwing a ball
How many major categories of equilibrium are mentioned?
One
Two
Three
Four
Static equilibrium happens when the body is:
In constant motion
Moving upward
At rest and the forces acting on it are balanced
Shaking
Which is an example of static equilibrium?
A person dancing
A ball rolling down the hill
A book lying on a table
A runner sprinting
Dynamic equilibrium refers to:
A body at rest
A body in uniform motion with balanced forces
A body that stops moving suddenly
A body that is falling freely
Which of the following shows dynamic equilibrium?
Jumping using a parachute
Standing straight
Sitting on a chair
Lying down
How many states of equilibrium are there?
One
Two
Three
Four
In stable equilibrium, when the body is slightly displaced, it:
In stable equilibrium, what happens to the center of gravity when disturbed?
Lowered
Raised
Hidden
Removed
Which is an example of stable equilibrium?
A pencil standing on its point
A book lying flat on a table
A bicycle falling on one side
A spinning top
In unstable equilibrium, when the body is slightly displaced, it:
Returns to its original position
Stays balanced
Does not return to its original position
Rolls smoothly
In unstable equilibrium, the center of gravity is:
Lowered
Raised
Balanced
Unchanged
Which example shows unstable equilibrium?
A. A rolling ball
B. A pencil standing on its point
C. A person lying down
D. A book inside a shelf
Neutral equilibrium occurs when the object is displaced and:
It returns to its original position
It topples over
It neither returns nor topples
It breaks down
What happens to the center of gravity in neutral equilibrium?
It is raised
It is lowered
It remains at the same height
It disappears
Which is an example of neutral equilibrium?
Pencil standing on its point
Book lying on a table
Rolling ball
Person walking
What determines the type of equilibrium of a body?
Weight of the object
Shape of the object
What is the definition of a lever in anatomy?
A bone that acts as the effort.
A muscle that generates force.
A rigid bar that rotates around a pivot point, or fulcrum.
A tendon that transmits force.
What is the arrangement for a first-class lever?
Load is between the effort and the fulcrum.
Effort is applied between the load and the fulcrum.
Fulcrum is between the effort and the load.
Effort and load are on the same side of the fulcrum.
What is the arrangement for a third-class lever?
Fulcrum is between the effort and the load.
Load is between the effort and the fulcrum.
Effort is applied between the load and the fulcrum.
Load and fulcrum are at the same point.
Which lever class features the load positioned between the effort and the fulcrum?
First-class lever
Third-class lever
Second-class lever
Zero-class lever
What is a prime example of a first-class lever in the human body?
The forearm flexing by the biceps.
The knee extension aided by the patellar tendon.
The movement of food through the esophagus.
The neck, where muscles pivot the head around the atlas vertebra.
The biceps muscle operates as which class of lever when flexing the arm?
First-class lever
Second-class lever
Third-class lever
Fourth-class lever
In the biceps third-class lever mechanism, which component acts as the fulcrum?
The biceps muscle
The forearm
The hand holding an object
The elbow joint
The biceps lever system is crucial for a great range of motion and increased speed of movement, making it easier to do what?
Pivot the head
Extend the knee
Digest food
Lift objects
What is the general function of levers in the human body?
To increase stress on joints.
To reduce the range of motion.
To help in reducing effort while lifting weights or moving limbs.
To convert potential energy to kinetic energy.
Levers help gain a mechanical advantage by amplifying what?
Speed
Range of motion
Force
Endurance
Besides levers, what is another example of a simple machine functioning in human anatomy?
Wheels and axles
Pulleys
Screws
Wedges
What structure serves as a pulley to aid in knee extension?
The radius bone
The biceps muscle
The patellar tendon
The atlas vertebra
What is the role of pulleys in muscle movement?
To stop muscles from generating too much force.
To shorten the length of the bones.
To redirect forces and allow muscles to work more efficiently.
To act as a pivot point for rigid bars.
In the pulley system, what structures act as the pulleys, transmitting force generated by muscles to the bones they move?
Muscles
Bones
Ligaments
Tendons
What is an example of an inclined plane in the human body?
The knee joint
The elbow joint
The esophagus
The spine
How does the esophagus, acting as an inclined plane, function?
It enhances the speed of movement.
It reduces the effort of swallowing.
It helps facilitate the movement of food.
It acts as a fulcrum for the head.
What type of muscle plays a vital role in movement and makes up the majority of muscle mass in the human body?
Smooth muscle
Cardiac muscle
Skeletal muscle
Tendon muscle
What is the fulcrum's position in a first-class lever?
At the end of the bone.
In the center of the effort and fulcrum.
In the middle (between the effort and load).
Close to the load.
Understanding the simple machine mechanism of the biceps flexing the forearm is crucial for studying human anatomy and what other field?
Chemistry
Biomechanics
Dermatology
Neurology
What is the main purpose of the system where tendons act as pulleys in muscle movement?
To decrease the body's overall speed.
To increase the effort needed for movement.
To enhance leverage and reduce the amount of energy needed for movement.
To connect muscles directly to the fulcrum.
What is the primary definition of force in anatomy and biomechanics?
The speed at which a body moves.
A push or pull that causes an object or body to move or change its position.
The resistance of the body to change in motion.
The mass of an object multiplied by its gravity.
What is the main source of force inside the human body?
Blood pressure creating internal push.
The skeletal system acting as rigid bars.
Muscles contracting and pulling on the bones.
Tendons transmitting energy.
Which characteristic of force describes "how strong or how much force is applied"?
A. Direction
B. Point of Application
C. Magnitude
D. Vector
If a person is jumping, the force is primarily applied in which direction?
Forward
Downward
Upward
Laterally
When a person is lifting a weight, the hand holding the weight is an example of which characteristic of force?
A. Direction
B. Magnitude
C. Point of Application
D. Line of Action
Which type of force is produced inside the body, mainly by the muscles?
External Force
Reactive Force
Gravitational Force
Internal Force
The contraction of the quadriceps muscle to kick a ball is an example of which type of force?
External Force
Internal Force
Friction
Ground Reaction Force
Force that comes from outside the body is known as what?
Muscular Force
External Force
Concentric Force
Internal Force
Which force is explicitly mentioned as constantly pulling the groceries downward and keeping a person grounded?
Friction
Internal Force
Gravity
Muscular Contraction
Which external force helps a person move without slipping by being present between their shoes and the ground?
Gravity
Tension
Friction
Shear
According to the document, what would be the result if there were no force?
Increased speed
Decreased performance
No motion at all
Improved body mechanics
In the context of walking, the legs generate force against the ground to achieve what?
Stability
Move forward
Jump higher
Reduce friction
Which three body parts are mentioned as working together to generate the needed force for throwing or shooting a ball?
Shoulders, elbows, and wrists
Hips, knees, and ankles
Arms, legs, and trunk muscles
Hands, feet, and neck
The mechanical principles that govern human motion, as discussed in the report, are centered on whose laws?
Archimedes' Principles
Einstein's Theories
Galileo's Experiments
Newton's Laws
Newton's First Law is associated with which concept in the report?
Acceleration
Action-Reaction
Inertia
Momentum
Which of Newton's Laws is associated with the concept of Acceleration?
First Law
Second Law
Third Law
Law of Gravity
The concept of Action-Reaction is described as which of Newton's Laws?
First Law
Second Law
Third Law
Law of Motion
What is one of the daily benefits of applying proper knowledge of force, besides improving performance and safety?
Increasing muscle strength.
Improving body mechanics.
Reducing internal force.
Decreasing external force.
In lifting, the arms apply upward force to overcome the external force of:
Air resistance
Tension
Gravity
Friction
What is a key objective of the report regarding the concept of force?
To prove that external forces are stronger than internal forces.
To debate the definition of a push or pull.
To explain the concept of force and its vital role in human anatomy and movement.
To detail the history of biomechanics.
According to the mechanical principles discussed, which two concepts are essential for every action in human movement, such as walking or jumping?
A. Force and Leverage
B. Speed and Accuracy
C. Projection and Balance (Equilibrium)
D. Inertia and Acceleration
Human movement follows mechanical laws, primarily based on the laws of motion established by whom?
A. Archimedes
B. Galileo
C. Newton
D. Da Vinci
The human body, in a mechanical sense, is described as acting like a system of levers and forces influenced by muscular effort, gravity, and what other factor?
Friction
Inertia
Tension
Speed
What is the definition of Projection in the context of human movement?
The force exerted by a muscle.
The stability of the body while standing.
The path or trajectory of the body or a body part when thrust into motion.
The amount of weight being lifted.
What is the optimal launch angle for an object to achieve maximum range in projectile motion?
30°
45°
60°
90°
Which factor is NOT listed as a key element that determines the path of projection?
A. Angle of release
B. Mass of the object
C. Speed of release
D. Height of release
Which body system provides the movement component for projection?
Cardiovascular system
Nervous system
Digestive system
Musculoskeletal system
Which factor contributes to greater stability in the human body?
A higher Center of Gravity (COG)
A narrower Base of Support
A lower Center of Gravity (COG)
A decreased speed of release
What is a key principle of equilibrium related to the Base of Support?
A narrow base prevents falls.
A wider base leads to stronger balance.
The base of support must change rapidly.
The base of support equals the Center of Gravity.
To maintain equilibrium, the Line of Gravity should always stay within what area?
The Center of Gravity
The point of application
The base of support
The area of projection
Equilibrium is essential for all of the following in daily life and sports EXCEPT:
A. Maintaining proper posture and stability
B. Improving performance in activities
C. Preventing falls and injuries
D. Generating the initial force to begin motion
Which of the following is given as an example of a daily activity that requires the application of projection and equilibrium?
Sleeping
Climbing stairs
Writing notes
Reading
In sports, an example given for the application of projection and equilibrium is the:
Chest pass in basketball
Pitcher's windup in baseball
Volleyball spike
Gymnastics tumbling run
What does the principle of Projection determine in a movement?
Control and safety
Stability and posture
Motion, accuracy, and distance
Effort and leverage
What does the principle of Equilibrium ensure for a successful movement?
Maximum distance and speed
Control, safety, and proper coordination
The trajectory of the object
The force applied is maximized
In the basketball 3-point shot example, the trajectory of the ball is an application of which principle?
Equilibrium
Projection
Inertia
Action-Reaction
Proper posture helps maintain which mechanical principle?
Projection
Trajectory
Equilibrium
Acceleration
What concept from the Force report (GROUP 8.pdf) is necessary to thrust a body part into motion, thus creating projection?
Friction
Gravity
Internal Force (Muscular Effort)
Inertia
The objective of studying these mechanical principles in anatomy is to apply the knowledge to improve performance and prevent what in movement and physical activities?
Fatigue
Injuries
Overuse
Muscle soreness
What is the role of the Nervous System in the mechanics of projection?
It provides the muscular effort for movement.
It acts as the rigid bars (levers).
It coordinates control of the movement.
It generates the Line of Gravity.
The lower extremities are composed of four main parts: the hip, thigh, leg, and foot.
True
False
Muscular actions of the lower extremities are only important for locomotion and have no role in posture or balance.
True
False
The major muscle groups of the lower extremity include the gluteals, hamstrings, and quadriceps.
True
False
The Iliopsoas, Rectus Femoris, and Sartorius are the primary muscles for Hip Extension.
True
False
The Gluteus Maximus and the Hamstrings are the key muscles for Hip Extension.
True
False
The Gluteus Medius and Gluteus Minimus are involved in the action of Hip Abduction.
True
False
Hip Adduction is performed by the Adductor group (Longus, Brevis, Magnus) and Gracilis.
True
False
The Piriformis and Obturators are listed as muscles responsible for External Rotation of the hip.
True
False
The Knee Joint is classified as a modified hinge joint.
True
False
The primary movements allowed at the knee joint are flexion (bending) and extension (straightening).
True
False
The knee joint permits slight medial and lateral rotation only when the knee is bent.
True
False
Dorsiflexion of the ankle involves pulling the foot upward, toward the shin.
True
False
The Tibialis Anterior is one of the main muscles responsible for Ankle Dorsiflexion.
True
False
The Gastrocnemius and Soleus are major muscles for Ankle Plantarflexion.
True
False
The action of Plantarflexion is primarily achieved by the Tibialis Anterior.
True
False
Ankle Inversion is the action of turning the sole of the foot inward.
True
False
The Fibularis Longus and Fibularis Brevis are the muscles that primarily perform Ankle Eversion.
True
False
Lower extremity muscles directly influence mobility, posture, and injury prevention in daily activities.
True
False
Proper muscle function in the lower extremities is vital for enhancing functional performance and minimizing injury risk.
True
False
Understanding these muscular actions is only relevant to sports science and has little use in physical therapy or medicine.
True
False
Which structure in the human body acts as a fulcrum during the movement of the arm?
The shoulder joint
The elbow joint
The wrist joint
The hip joint
What is the effect of a second-class lever in the human body?
It increases the speed of movement.
It reduces the range of motion.
It allows for greater force with less effort.
It provides stability during movement.
