Biomechanics exam 2: Tutoring questions

Which behavioral property of muscle tissue is defined as “the ability to respond to a stimulus”?

• Extensibility

• Irritability

• Elasticity

• Contractility

Throwing injuries to the elbow usually fall into which category?

• Acute

• Chronic

• Traumatic

• Repetitive strain

The interphalangeal joints are what type of joints?

• Hinge

• Ball-and-socket

• Pivot

• Condyloid

Where are the Golgi tendon organs located?

• Within muscle fibers

• In the tendons

• Both in the tendons and in the junctions between muscles and their tendons

• Inside the joint capsule

Which of the following muscles is not an elbow flexor?

• Biceps

• Brachialis

• Brachioradialis

• Triceps

Which of the following factors provides stability at the elbow?

• Muscles only

• Ligaments only

• Articulating bones only

• Both the articulating bones and ligaments

The increased force generation capability of a slightly stretched muscle is primarily due to which of the following?

• Parallel elastic component

• Series elastic component

• Contractile component

• Cross-bridge cycling

What is/are the primary purpose(s) of the scapula muscles?

• Stabilize the scapula

• Move the scapula

• Both stabilize the scapula and move the scapula

• Rotate the humerus

Which type of flexibility accompanies the ROM achieved by actively contracting the antagonist muscle?

• Dynamic flexibility

• Static flexibility

• Passive flexibility

• Elastic flexibility

The water content of bone makes up approximately what percentage of the total bone weight?

• 10–15%

• 25–30%

• 45-50%

• 65-70%