SOLUTIONS RATED A+
✔✔the alveoli exchanges oxygen for CO2 with the blood vessels, wha tis this process
called? - ✔✔diffusion
✔✔during exercise, diastolic pressure should either stay the same or slightly decrease,
why? - ✔✔vasodilation of vessels in the exercising of muscles
✔✔cardio fitness reflects the efficiency of all except which system? - ✔✔skeletal system
✔✔these are all acceptable methods to assist in cardio respiratory recovery -
✔✔reducing the intensity+impact of the exercise
reducing the range of motion of movements
instructing clients to begin an active recovery
✔✔the frequency of cardio respiratory training depends on ____ - ✔✔the intensity +
duration of each training period
✔✔training intensity can have a significant effect on the success of the workout
because it has considerable physiological and _____ effects on the client -
✔✔psychological
✔✔the cellular benefits of cardio respiratory conditioning are____ - ✔✔improves cellular
metabolism
greater capillary density
increasing the amount of oxygen to muscles
increases size of mitochondria
increases energy cap of cell
conserves energy
fats as fuel
✔✔the bones of the skull, ribs and scapula are known as flat bone type provides ____ -
✔✔protection to vital organs
broad site of muscular attachment
✔✔structurally, the skeleton is split into the axial and appendicular skeleton. what
composes each? - ✔✔axial= skull, spine, ribs, sternum (80 bones)
appendicular= appendages (upper and lower limbs), bony girdles to which they attach
(shoulders and pelvis) -126 bones
✔✔what is described as band of connective tissue that attaches muscle to bone? -
✔✔tendon
, ✔✔the knee is an example of which joint? - ✔✔synovial joint
✔✔the wrist joint can preform all of the following movements - ✔✔flexion and extension
radial flexion (deviation)
ulnar flexion (deviation)
✔✔for proper function of the lower back all components of the spinal stabilization
system must work together, these components include ___,___,___ - ✔✔control
subsystem (neural)
passive subsystem (spinal column)
active subsystem (spinal muscle)
✔✔when the body lays face down it is in ___ - ✔✔prone position
✔✔what are the 4 characteristics of all muscle tissue? - ✔✔excitability
contractility
extensibility
elasticity
✔✔holding the elbow at a 90 degree with resistance in the hand is known as what type
of contraction? - ✔✔isometric- muscle exerts force to counteract an opposing force, no
change in muscle length occurs
✔✔tubuing rotator cuff external rotation uses which muscles? - ✔✔shoulder, bicep, lat
✔✔during the seated heel raise (calf raise) what would the gastroc muscle be
considered? - ✔✔agonist- prime mover, muscle that provides most of the tension -calf
✔✔what are the muscles in the hamstring - ✔✔biceps femoris, semitendionosus and
semimembranosus
✔✔what is the sliding filament theory? - ✔✔the myosin (thick) filaments slide past the
actin (thin) filaments during muscle contraction
✔✔the motor unit refers to the ___ and the ___ it integrates - ✔✔motor neuron +
muscle fibres
✔✔which muscle group works in opposition to the rectus abdominis - ✔✔erector spinae
✔✔a characteristic of fast twitch muscle fibres is that they ____ - ✔✔fatigue faster but
are used in powerful bursts of movement like sprinting
preform quick+ intense contraction. These muscle fibres contract quickly, fatigue quickly
and work anaerobically