QUESTIONS & ANSWERS(RATED A)
What are the 4 rotator cuff muscles? - ANSWER Supraspinatus, infraspinatus, teres minor, and
subscapularis.
Spinal extension could be used to evaluate the range of motion in which muscle? - ANSWER Rectus
abdominis
Bar action occurs in which anatomical plane during the lat pull down exercise? - ANSWER Frontal
Hyperextension of the shoulder is restricted by the range of motion (ROM) of the _____. - ANSWER
Anterior deltoid
Seated knee extension on a machine has reduced _____ recruitment versus knee extension that occurs
while standing (closed chain) due to the position of the hip. - ANSWER Rectus femoris
Due to fiber dynamics, activities requiring a combination of elevated force and prolonged duration
preferentially recruit the _____ fibers to perform the work. - ANSWER Type IIa
What muscle works with the gluteus minims and medius to cause hip abduction? - ANSWER Tensor
fascia latae
What muscle is primarily responsible for shoulder adduction? - ANSWER Latissimus Dorsi
The _____ contain higher concentrations of Type I muscle fibers due to the postural requirements of the
tissue. - ANSWER Rectus abdominis
The forward lunge occurs in which movement plane? - ANSWER Sagittal
, The rhomboids are the prime mover for the _____ exercise and are responsible for scapular retraction. -
ANSWER Seated row
Which muscle commonly lacks flexibility, often leading to a pelvic imbalance that increases the tendency
for the pelvis to migrate into a posterior tilt? - ANSWER Hamstrings
At which spinal motion segment do most intervertebral disc injuries occur? - ANSWER L5-S1
The forward motion of throwing requires internal rotation and therefore would be accelerated by the
_____ muscle. - ANSWER Subscapularis
What muscle lies below the mid-fibers of the trapezius and causes scapular retraction? - ANSWER
Rhomboids major
During the pull-up exercise, the _____ are the prime movers. - ANSWER Teres major and latissimus dorsi
Tight hip flexors often lead to an increased lordotic curve of the _____ spine. - ANSWER Lumbar
Completing three minutes of moderate intensity exercise would use fuel primarily from which metabolic
pathway? - ANSWER Anaerobic metabolism of carbohydrates
In general, it takes _____ before protein synthesis will enhance a muscle's size and the respective motor
unit's force capabilities. - ANSWER 6 - 8 weeks
A motor nerve and all of the muscle fibers it innervates is called a _____. - ANSWER motor unit
What initiates a muscle contraction by binding troponin? - ANSWER Calcium
What is/are used to make ATP anaerobically during high intensity exercise, making it a key dietary fuel
source for activity? - ANSWER Carbohydrates