QUESTIONS AND CORRECT DETAILED ANSWERS
What is the correct movement of the glenohumeral joint during a triceps extension
exercise? - ANSWER: no joint movement
the concept that energy is transferred across joints to support voluntary movement
is termed __________. - ANSWER: kinetic chain
Which of the following muscles is commonly found to lack proper flexibility;
promoting a posterior pelvic tilt as seen in this picture? - ANSWER: glutes
the _________ is the only dual-action muscle of the quadriceps; allowing it to act
upon both the hip and knee joints. - ANSWER: rectus femoris
What is the term used to describe the natural curvature of the cervical spine? -
ANSWER: lordotic
Which tissue functions to connect a muscle to a bone? - ANSWER: tendon
Which of the following represents the four muscles of the rotator cuff? - ANSWER:
supraspinatus, infraspinatus, teres minor, subscapularus
Which muscle is responsible for the first 30 degrees of trunk flexion and is targeted
during the crunch movement? - ANSWER: rectus abdominis
During the performance of a single-leg squat (Bulgarian squat), what muscles are
considered the prime movers? - ANSWER: quadriceps and glutes
What muscle acts as the agonist during performance of the Romanian deadlift? -
ANSWER: hamstrings
During the descent phase of the standing barbell curl, the biceps are contracting
_________. - ANSWER: eccentrically
Plantar flexion of the ankle during running is caused by a concentric contraction of
which muscle? - ANSWER: gastrocnemius
During performance of the side lateral raise, the prime mover is the __________. -
ANSWER: deltoid
Which of the following would cause dorsiflexion of the ankle? - ANSWER: a
concentric contraction of the anterior tibialis
, Retraction of the scapulae, as seen during proper performance of the bilateral row
exercise, is accomplished by a __________. - ANSWER: concentric contraction of the
rhomboids
A majority of back injuries from incorrect lifting and movement mechanics occur
between which segments of the spine? - ANSWER: lumbar and sacral
Which muscle acts as a spinal stabilizer during the performance of a push-up? -
ANSWER: transverse abdominis
Having your client rehearse the forward lunge repeatedly without weights will
improve their movement performance due to neuromuscular familiarity, referred to
as __________. - ANSWER: motor learning
After performing a flexibility screen, it is determined that your client has difficulty
moving through a full, functional range of motion at the shoulder joint; with clear
limitations in external rotation capabilities. Which of the following exercises may
prove difficult to perform properly as a result of this flexibility concern? - ANSWER:
back squat
Which of the following connective tissues is responsible for providing stability within
a joint by connecting bone to bone? - ANSWER: ligament
the deltoid becomes the primary abductor of the humerus beginning at what joint
angle; reducing involvement of the rotator cuff? - ANSWER: 30 degrees
To minimize the risk for injury, hamstring strength should be _____% of quadriceps
strength? - ANSWER: >50
The performance of a lunge with forward press on a cable machine occurs in which
movement plane? - ANSWER: sagittal
What rest interval between sets of 5RM deadlifts would ensure restoration of the
phosphagen system and proper performance in the next effort? - ANSWER: 120
seconds
Stroke volume refers to the _______________. - ANSWER: amount of blood expelled
by the left ventricle per contraction (beat
Aerobic metabolism in the muscle cell occurs within which organelle? - ANSWER:
mitochondria
Why would a low-intensity walking program be ineffective cardiovascular exercise
prescription for reducing body fat in a physically-active client? - ANSWER: low rate of
caloric expenditure