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Which muscle concentrically accelerates external rotation of the humerus?
Select one:
a. Latissimus dorsi
b. Teres minor
c. Pectoralis minor
d. Pectoralis major --ANSWER--b. Teres minor
Which of the following combinations of joint motions occur at the foot/ankle
during lower body pronation?
Select one:
a. Dorsiflexion, eversion, abduction
b. Plantar flexion, eversion, abduction
c. Dorsiflexion, inversion, abduction
d. Plantar flexion, inversion, adduction --ANSWER--a. Dorsiflexion, eversion,
abduction
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,During resistance training, which action by the muscle(s) prevents
weight/resistance from accelerating in an uncontrolled manner as a result of
gravitational force?
Select one:
a. Concentric
b. Isotonic
c. Isometric
d. Eccentric --ANSWER--d. Eccentric
What is the name of the hyperbolic relationship which shows that as the
velocity of a concentric contraction increases, the developed tension decreases?
Select one:
a. Length-tension relationship
b. Force-couple relationship
c. Force-velocity curve
d. Muscle leverage --ANSWER--c. Force-velocity curve
Which subsystem consists of force-couple relationships that primarily control
the pelvis and femur in the frontal plane during single-leg functional
movements such as gait, lunges, or stair climbing?
Select one:
a. Lateral subsystem
b. Posterior oblique subsystem
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,c. Deep longitudinal subsystem
d. Anterior oblique subsystem --ANSWER--a. Lateral subsystem
What percentage of the population is estimated to be obese?
Select one:
a. 13.8%
b. 23.8%
c. 33.8%
d. 43.8% --ANSWER--c. 33.8%
Which adductor muscle has fibers that can concentrically accelerate extension
of the femur?
Select one:
a. Adductor brevis
b. Adductor longus
c. Pectineus
d. Adductor magnus --ANSWER--d. Adductor magnus
Which muscle eccentrically decelerates hip adduction, and internal rotation?
Select one:
a. Rectus femoris
b. Gluteus medius (posterior fibers)
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, c. Vastus lateralis
d. Adductor magnus (anterior fibers) --ANSWER--b. Gluteus medius (posterior
fibers)
Which muscle is the primary frontal plane stabilizer of the knee complex?
Select one:
a. Anterior tibialis
b. Piriformis
c. Tensor fascia latae
d. Gluteus medius --ANSWER--d. Gluteus medius
Which muscle concentrically produces extension of the hip, and a posterior tilt
of the pelvis?
Select one:
a. Psoas
b. Tensor fascia latae
c. Gluteus maximus
d. Erector spinae --ANSWER--c. Gluteus maximus
Which muscle eccentrically decelerates humeral external rotation, abduction,
and flexion?
Select one:
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