Podcast
Questions and Answers
What is the most complicated element in the musculoskeletal system in terms of response to external forces?
What is the most complicated element in the musculoskeletal system in terms of response to external forces?
- Bones
- Muscles (correct)
- Tendons
- Ligaments
Which element in the musculoskeletal system is deformable and responds differently to external forces?
Which element in the musculoskeletal system is deformable and responds differently to external forces?
- Bones (correct)
- Tendons
- Ligaments
- Muscles
In a normal joint, which of the following is the usual situation regarding degrees of freedom?
In a normal joint, which of the following is the usual situation regarding degrees of freedom?
- 3 degrees of displacement and 3 degrees of rotation
- 2 degrees of displacement and 2 degrees of rotation
- 1 degree of displacement and 2 degrees of rotation
- No displacement and 1 to 2 rotations (correct)
Which joint example is used to analyze joints with only a single rotation axis and no displacements?
Which joint example is used to analyze joints with only a single rotation axis and no displacements?
What is the main difference between different classes of joints in the musculoskeletal system?
What is the main difference between different classes of joints in the musculoskeletal system?
In an elbow, what can be modified in terms of angle?
In an elbow, what can be modified in terms of angle?
Which element in the musculoskeletal system is typically affected in a simplified joint like the elbow, focusing only on flexion and extension?
Which element in the musculoskeletal system is typically affected in a simplified joint like the elbow, focusing only on flexion and extension?
What determines the minimum set of forces required to reach equilibrium in a joint?
What determines the minimum set of forces required to reach equilibrium in a joint?
In which lever class do the load (FL) and the muscular force (Fm) act close to each other?
In which lever class do the load (FL) and the muscular force (Fm) act close to each other?
What happens when the distance to the joint is different in two situations with similar loads and orientations?
What happens when the distance to the joint is different in two situations with similar loads and orientations?
In which situation will the biceps need to apply a stronger force: flexed or extended?
In which situation will the biceps need to apply a stronger force: flexed or extended?
What can happen if the reaction force Fa is large in response to a large X component?
What can happen if the reaction force Fa is large in response to a large X component?
What determines how high the reaction force Fa will have to be?
What determines how high the reaction force Fa will have to be?
What model can be applied in some joints of the body for reaching equilibrium?
What model can be applied in some joints of the body for reaching equilibrium?
What does F1 ·d1 = F2 · d2 represent in a lever?
What does F1 ·d1 = F2 · d2 represent in a lever?
