Skeletal System and Bone Structure Quiz

What is the main function of bone in the skeletal system?

Protection and support

Which of the following is a predominant mineral found in bone?

Calcium

What term is used for bone's ability to resist deformation under a load?

Stiffness

In the context of bone biomechanics, what does anisotropy refer to?

Variation in strength depending on direction of load Signup and view all the answers

During which loading mode is bone subjected to forces causing elongation?

Tension Signup and view all the answers

What term is used to describe bone's capacity to absorb energy before failing?

Toughness Signup and view all the answers

What is the primary factor influencing bone geometry and biomechanical behavior?

Mechanical demand Signup and view all the answers

What is the effect of repetitive loading on bone?

Fatigue Signup and view all the answers

Which factor contributes to degenerative changes in bone with aging?

Altered hormonal balance Signup and view all the answers

What type of loading combines tension, compression, and shear?

Combined Loading Signup and view all the answers

Which bone feature enhances its strength and stiffness?

Trabeculae Signup and view all the answers

What is the primary response of bone to increased mechanical demands?

Increased density Signup and view all the answers

Bone's behavior under different loading modes includes all EXCEPT:

Elasticity Signup and view all the answers

Viscoelasticity in bone refers to its:

Time-dependent deformation under load Signup and view all the answers

In the context of bone biomechanics, stress raisers are:

Points where stress is concentrated Signup and view all the answers

Which aspect primarily influences the biomechanical properties of bone?

Bone's structural organization Signup and view all the answers

Which of the following statements about torque is true?

Torque is a vector quantity. Signup and view all the answers

What term is used to describe the rate of change in angular velocity?

Angular acceleration Signup and view all the answers

Which type of lever has the resistance between the applied force and the fulcrum?

First-class lever Signup and view all the answers

What does stability refer to in the context of biomechanics?

Resistance to the disruption of equilibrium Signup and view all the answers

Which method is used to determine the total-body center of mass location?

Segmental method Signup and view all the answers

What term is used for the change in linear speed for a body traveling on a curved path?

Tangential acceleration Signup and view all the answers

Which of these statements about equilibrium is true?

Equilibrium is a state characterized by balanced forces and torques. Signup and view all the answers

What is the definition of moment arm?

The distance between a force's line of action and the axis of rotation. Signup and view all the answers

In biomechanics, what does increasing the size of the base of support in the direction of an external force do?

Increases stability. Signup and view all the answers

What is the primary characteristic of third-class levers in human movement?

They are common for concentric contractions. Signup and view all the answers

Which statement about the center of gravity (CG) of an object is true?

The center of gravity (CG) of an object can be located physically outside of the object. Signup and view all the answers

What is torque in biomechanics?

'The presence of equal torques on opposite sides of an axis of rotation necessitates the presence of equal weights on opposite sides of the axis.' Signup and view all the answers

Which statement about balance is true?

'Balance is resistance to the disruption of equilibrium.' Signup and view all the answers

'Quantitative analysis involves stick-man animation.' Is this statement true or false?

'Quantitative analysis involves stick-man animation.' Signup and view all the answers

'Stick-man animation can be used to plot force and torque at each phase of movement.' Is this statement true or false?

'Stick-man animation can be used to plot force and torque at each phase of movement.' Signup and view all the answers

'The segmental method is used to determine the total-body center of mass location.' Is this statement true or false?

'The segmental method is used to determine the total-body center of mass location.' Signup and view all the answers