CORRECT ANSWERS!!
Peak tension
Strength: Max firing rate/recruitment, synchronized firing rate
Low tension rate
Endurance: asynchronous firing rate, selective recruitment
What is the correct movement of the glenohumeral joint during the eccentric
phase of the supine tricep extension?
No Joint Movement
During the standing military press your client presses the weight upward and
forward. After lightening the weight, you cue him to press only upward with an
end range of motion of shoulder and wrist alignment, with the bar located above
his head. After numerous repetitions he is unable to perform the proper
technique. What is the likely problem?
Lack of flexibility in the chest and latissimus dorsi
If the ankles are excessively dorsi flexed during the lunge or step-up exercise
causing the knee to cross the toe, the body will experience ______________.
tibial translation in the knee
A fast moving body segment, as seen in running or lowering weight during a
bicep curl, is decelerated by _____ contractions.
eccentric
Which muscle crosses both the knee and hip joint, and plays an active role in
both hip flexion and knee extension?
rectus femoris
What is the natural curvature of the lumbar spine?
Lordotic
What is a tissue that connects muscle to bone?
tendon
The quadriceps are comprised of which muscles?
Rectus femoris, vastus medialis, vastus lateralis, vastus intermedius
What is the prime mover of the inclined sit-up exercise when the movement is
performed through a full range of motion (30° - 120°)?
hip flexors
When performing the box step-up exercise, what is the prime mover for hip
extension?
Gluteus maximus
What is the agonist muscle group during the performance of the leg press
exercise?
Quadriceps
The quadriceps serves as the prime mover for which of the following exercises?
leg press
Sit-ups with anchored feet will increase activation of the hip ________.
hip flexors
, Which movement is necessary to effectively train the rhomboid muscles?
Scapular retraction
Which muscle connects to both the iliac and lumbar spine; serving to control the
pelvis in the frontal plane?
Quadratus lumborum
The transverse abdominis (TVA) is
a primary deep spinal stabilizer.
Which exercise is the most challenging to proprioception?
Dumbbell reverse lunge
If a person has significant tightness in the latissimus dorsi, which of the following
exercises would present difficulty in successful execution due to range of motion
(ROM) limitations?
Shoulder press
The lateral lunge exercise is performed in the _____ plane.
frontal
Performance of a lunge with trunk rotation occurs in what movement planes?
Sagittal and transverse
What are your two propioceptors? Dictate?
-Muscle spindles and Golgi tendon organs.
-Movement economy, balance, coordination,
dynamic power
Muscle spindles
communicate tension and regulate control,stretch reflex(myostatic reflex)
Golgi tendon organs
Adenosine Triphosphate is energy for? energy stored as? Broken down to?
Support max contractions lasing? Full replenishment in?
-Mechanical work
-Phosphate bonds
-ADP
-3seconds
-90 seconds
Creatine phosphate is broken down by kinase to support depleted? Supplies max
work for? Full replenishment?
-ATP
-10/15 seconds
-2-5 minutes
Why are low carbohydrate diets problematic for individuals who exercise
regularly?
Under normal dietary conditions, protein can meet up to _____% of the body's
energy demand during prolonged vigorous activity.
15
Which energy yielding nutrient contributes the fewest number of calories to the
total recommended diet?
proteins
Which amino acids cannot be synthesized by the body and must be ingested?
Essential