Biomechanics Practice Exam

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• Rotations in the frontal plane occur around which axis?
• Which of the following relationships is correct?
• What is a fundamental aspect of stability in biomechanics?
• In a free body diagram, where would the vector representing body weight originate?
• Where is the parallel elastic component of a muscle located?
• According to biomechanics, which factors influence an athlete's performance?
• What role does flexibility play in biomechanics?
• What type of energy is stored in a stretched spring?
• What is the purpose of using a force plate in biomechanical studies?
• The component of angular acceleration defined as the change in linear velocity for a body traveling on a circular path is what?
• What is the function of the vestibular system in biomechanics?
• How are muscle fibers categorized in terms of force production?
• What is the role of ligaments in joint stability?
• When the wrist is flexed, finger flexors may have difficulty forming a tight fist. This illustrates what concept?
• Choose the term that describes the study of the action of forces of rotating bodies.
• Which of the following pairs of muscles causes contralateral trunk rotation?
• Which of the following is an accurate unit of measurement for torque?
• Which of the following does not insert on the patella?
• What impact does a greater range of motion have on joint function?
• In which plane is scoliosis most prominently expressed?
• What does the modulus of elasticity measure in biomechanics?
• Which of the following activities primarily involves the sagittal plane?
• Which term describes "further from the trunk"?
• What is the impact of moment of inertia on athletic performance?
• Which of the following is not part of the axial skeleton?
• Biomechanical efficiency is best defined as?
• Which of the following factors can influence athletic performance?
• Which of the following is not true regarding radians?
• How do Golgi tendon organs primarily respond?
• What is the primary characteristic of cancellous bone?
• What is "biomechanical analysis"?
• Choose the term that describes "toward the back of the body".
• Force can be thought of as a push or pull acting on a body. True or False?
• What term describes determining a single vector from two or more vectors by vector addition?
• Which of the following statements is true regarding spinal loading during activities?
• Which muscle facilitates wrist extension?
• What does Newton's First Law state in relation to biomechanics?
• What does the amount of 3D space occupied by a body define?
• What structure is activated during the stretch reflex in a stretched muscle?
• What is the primary function of tendons in the musculoskeletal system?
• If a diver goes from a tucked position to a full layout position, what will happen to her angular velocity?
• What is the role of biomechanics in athletic performance?
• What factors primarily affect joint stability?
• What type of joint is the glenohumeral joint?
• What is the role of biomechanics in rehabilitation?
• Which term describes the location of the center of rotation of a joint at a given instant in time?
• Which of the following questions about the long jump should be answered qualitatively?
• Which of the following terms means "farther from the head"?
• Radial acceleration is not affected by which of the following?
• What is the name of the joint where the humerus connects with the proximal end of the ulna?
• What does "metabolic cost" refer to in biomechanics?
• What role do tendons play in the muscular system?
• How do different types of muscle contractions influence exercise performance?
• If velocity is constant, then acceleration is what?
• What term describes the tendency of a body to resist a change in its state of motion?
• In the anatomical position, the forearm is in which position?
• Which of the following is not a hamstring muscle?
• Which of the following best describes the role of external forces in movement?
• Which of the following is a function of articular cartilage?
• Which statement is true?
• Explain the concept of "moment of inertia."
• How does injury epidemiology relate to biomechanics?
• A skater gliding on ice continuing to move in the same direction exemplifies which of Newton's laws?
• The knee is an example of what type of joint?
• Where is the center of mass located in relation to the cardinal planes?
• Which type of loading causes the most significant effect on bone remodeling?
• In biomechanics, what is crucial for optimal movement?
• What anatomical structure helps manage torsional loading in the spinal system?
• Define the term "force" in the context of biomechanics.
• Which factor is NOT considered an internal factor that influences performance?
• What is the most common type of spinal loading experienced during daily activities?
• What role does the annulus fibrosus play in the spinal column?
• Which of the following pairs of quantities are expressed in the same units of measure?
• Which statement best describes a motor unit?
• Why is stability an important concept in biomechanics?
• Choose the term that describes the two adjacent vertebrae and the associated soft tissues: the functional unit of the spine.
• Which muscle is primarily responsible for hip flexion?
• What role does clinical gait analysis play in rehabilitation programs?
• In the absence of external torque, which of the following will decrease when moment of inertia increases?
• What is the primary effect of a balanced force on an object?
• What quantity will have units of rad/s?
• When considering the effect of gravity, what is the relationship between mass and weight?
• Which of the following mechanical qualities is NOT dependent on velocity?
• Force is directly proportional to which quantity?
• Which type of contraction involves a muscle tensing without changing length?
• If angular acceleration is constant, then angular velocity must be:
• The perpendicular distance between the line of force and the axis of rotation defines what?
• How are biomechanical models utilized in sports science?
• What is "torque" in the context of human movement?
• A runner completes one full lap around a 400 meter track. What is their displacement?
• What term describes the motion of pointing the toes in the sagittal plane?
• The human elbow during flexion is an example of which class of lever?
• Choose the term that describes the resistance to disruption of equilibrium.
• What defines a "kinematic chain" in biomechanics?
• What is the primary purpose of examining biomechanics in sports?
• Which of the following is the accurate formula for angular momentum?
• Which physical quantity is defined as the rate of change of velocity?
• The cardinal transverse plane divides the body into equal ______.
• In biomechanics, what best describes "body mechanics"?
• Which of the following is a key factor in maintaining stability during athletic performance?
• What is not a purpose of the patella?
• Name the three types of muscle contractions in biomechanics.
• What could be the primary focus of a clinical gait analysis?
• What type of joint allows for the greatest range of motion?
• A runner moving at a velocity of 6 m/s increases their velocity over a 2 s time interval to a rate of 10 m/s. What is the rate of acceleration?
• Which of the following best defines impulse?
• Which type of joint allows for the greatest range of motion?
• What type of muscle contraction is characterized by the muscle lengthening under tension?
• In biomechanics, what does the term "center of mass" refer to?
• What role do ligaments play in the human body?
• What does "gait" refer to in biomechanics?
• Which abdominal muscles rotate the trunk to the opposite side?
• What does the letter r stand for in the equation v = rw?
• What is static equilibrium in biomechanics?
• In biomechanical terms, what does 'load' refer to?
• Which of the following best describes "kinetic energy" in biomechanics?
• Which two variables determine momentum?
• How does linear motion differ from angular motion?
• Which of the following is an example of a frontal movement?
• Which of the following describes the elbow joint relative to the wrist joint?
• What term describes the coordinated movement of the scapula that supports humeral abduction?
• What type of forces does the annulus fibrosus in the spinal column help resist?
• How do bones typically respond to decreased regular loading due to inactivity?
• What is a key factor when analyzing the force-velocity curve in training?
• In biomechanics, what is the unit of force?
• Which plane describes lateral movements of the body?
• What does the term "muscle elasticity" refer to?
• In scoliosis, the curvature is evident primarily in what plane of the body?
• Which action is not an example of sagittal plane movement?
• In biomechanics, which aspect is crucial when analyzing motion?
• Which of the following is true about internal forces?
• Which aspect of biomechanics can significantly improve performance in sports?
• Which type of muscle contraction occurs when a muscle shortens while generating force?
• Which aspect does kinematic chain analysis focus on?
• How can understanding biomechanics enhance injury prevention in sports?
• What happens to the angular momentum of the diver when she changes position?
• What is the significance of the equation of motion in biomechanics?
• The product of a force and the displacement over which it acts defines what?
• What are the two main types of forces acting on the body during movement?
• In which of the following planes would a cartwheel occur?
• Which muscles contribute to the flexion of the shoulder?
• In what way can biomechanics help in selecting appropriate athletic footwear?
• What is the role of ligaments in the body?
• What is "linear acceleration" in biomechanics?
• Which factor is least likely to be influenced by the principles of biomechanics?
• Which connective tissue is responsible for attaching bone to bone?
• Choose the term that describes the lever positioned with the applied force on one end, the fulcrum on the other end, and the resistance in between?
• What type of training would most benefit from understanding explosive strength?
• Which biomechanical principle describes the relationship between force and the acceleration of an object?
• If acceleration is constant and negative, velocity is what?
• How many cervical, thoracic, and lumbar vertebrae do humans typically have in total?
• What does the word quantitative mean?
• Which ligament stabilizes the knee primarily in the anterior direction?
• What is the primary function of the rotator cuff muscles?
• Which condition is primarily characterized by a sideways curvature of the spine?
• Which term describes the force per unit area?
• Specialized bone cells that consume or absorb old bone tissue are called what?
• The component of angular acceleration directed toward the center of rotation defines what?
• Which type of muscle fibers are characterized by producing higher force quickly?
• Which of the following is a primary action of the quadriceps muscle group?
• What is the definition of "work" in biomechanics?
• Which of the following is not a rotator cuff muscle?
• Which of the following may affect athletic performance through muscle contractions?
• Why do different sports require unique biomechanical adaptations?
• What is the primary purpose of studying biomechanics?
• What does the term "energy transfer" refer to in biomechanics?
• What is the difference between kinematics and kinetics?
• Which muscle does not contribute to hip adduction?
• Are the metric units for mass and weight the same?
• How does biomechanics relate to ergonomics?
• During normal activities, how often do compression forces act on the spine?
• What is defined as linear momentum in biomechanics?
• Which muscle contraction occurs when a muscle lengthens under tension?
• Which term describes the motion "away from the midline of the body"?
• Which of the following best describes muscle origin?
• What does the principle of "conservation of momentum" state?
• In biomechanics, what is the primary focus of the study of kinematics?
• Which term describes the rotary effect of a force?
• Which of the quadriceps is a two-joint muscle?
• What is the significance of the ground reaction force during walking?
• Which of the following are accurate units for torque?
• Which of the following is known as the longitudinal growth center of a bone?
• What action involves flexion and extension?
• What does "explosive strength" refer to in biomechanics?
• What significance does the "force-velocity curve" have in muscular performance?
• During movement, how does the body generate heat?
• What is the primary function of osteoblasts in bone tissue?
• What does the term "biomechanics" refer to?
• How does temperature influence muscle function?
• How can understanding biomechanics improve athletic training?
• Which statement about angular displacement is true?
• Which type of muscle could act as an antagonist to an abductor?
• In solving problems related to linear/angular conversion, must the units for angular displacement be in revolutions?
• Which muscle contributes to trunk rotation in the same direction?
• Cortical bone is strongest in resisting which type of stress?
• What does the term "kinetics" primarily focus on in biomechanics?
• Choose the term that describes the branch of mechanics dealing with systems subject to acceleration.
• What type of feedback do proprioceptors primarily provide?
• What is the significance of cadaver studies in biomechanics?
• What type of muscle contraction is used by the elbow flexors when lifting a backpack?
• Which term describes movement "toward the midline of the body"?
• Choose the term that describes the point of support, or axis, about which a lever may rotate?
• How is the range of motion (ROM) at a joint calculated?
• During the preparatory phase for an underhand softball pitch, what occurs at the shoulder when the hand is drawn behind the body?
• How does biomechanics contribute to equipment design in sports?
• What is meant by "angular velocity"?
• The spinal curves developing in children after they begin sitting and standing are the ____ curve and the _____ curve.
• Which term describes the measurement of distance traveled in biomechanics?
• Is translation synonymous with general motion?
• Which of the following terms is synonymous with trabecular bone tissue, i.e., bone with relatively high porosity?
• If the velocity of a sailboat changes from 4 m/s to 2 m/s over a period of time, what is true of the sailboat's acceleration?
• What is 'deformation' in biomechanics?
• What is an example of a biomechanical lever system in the human body?
• Which of the following is not one of the five joints that comprise the shoulder girdle?
• What are the main forces typically acting on the spine during lifting?
• Within the fields of kinesiology and exercise science, the living organism most commonly of interest to the biomechanist is what?
• What is the primary function of proprioceptors in biomechanics?
• What should be the goal of a rehabilitation program following a muscle strain?