Question

question 28
1 pts
three phases of the twitch contraction are the
latent period, contraction phase, and stimulation phase.
latent period, stimulation phase, and excitement phase.
latent period, contraction phase, and relaxation phase.
stimulation phase, contraction phase, and relaxation phase.

question 29
1 pts
the shoulder joint is an example of a _____ joint.
multiaxial
freely movable
ball and socket
the shoulder joint is an example of all of these.

question 30
1 pts
which of the following is not among the structures that characterize synovial joints?
joint capsule
articular cartilage
tendons
ligaments

Explanation:

• Question 28: A twitch contraction has a latent period (time between stimulus and contraction start), a contraction phase (muscle shortens), and a relaxation phase (muscle returns to resting length).
• Question 29: The shoulder joint is multi - axial (moves in multiple axes), freely movable, and is a ball - and - socket joint.
• Question 30: Joint capsule, articular cartilage, ligaments are key structures of synovial joints, while tendons are not among the defining structures of synovial joints.

Answer:

• Question 28: C. latent period, contraction phase, and relaxation phase.
• Question 29: D. The shoulder joint is an example of all of these.
• Question 30: C. tendons