Midterm review: Chapters 1-10 Flashcards
What are the four stages of functional anatomy and corrective exercise?
- introduction to corrective exercise
- corrective exercise techniques
- client assessments
- programming strategies
what is the process of corrective exercise?
identify problem, solve problem, implement solution
what occurs during the identify the problem phase?
performing integrated assessments
what occurs during solve the problem phase?
design the phases of corrective exercise continuum.
what occurs during the implement the solution phase?
coach selected techniques in workouts and movement prep sequences
what are the different types of integrated assessments?
static, dynamic, transitional, mobility
what are the phases of corrective exercise continuum?
- inhibit- myofascial techniques
- lengthen- static, dynamic, neuromuscular
- activate- isolated strengthening
- integrate- integrated dynamic movements
define corrective exercise:
the systematic process of identifying a neuromuscular dysfunction, developing a plan of action, and implementing an integrated corrective strategy to optimize movement quality.
define inhibitory techniques:
corrective exercise techniques used to reduce tension or decrease activity of overactive neuromyofascial tissues in the body
define: lengthening techniques
corrective exercise techniques used to increase the extensibility, length, and range of motion of neuromyofascial tissues in the body
define: activation techniques
techniques that reeducate or increase activation of underactive muscle tissues
define: integration techniques
retraining the collective synergistic function of all muscles through functionally progressive movements
define: regional interdependence
model of assessment and intervention that is based on the concept that the site of patients primary report of symptoms is affected by dysfunction in remote musculoskeletal regions
define: biopsychosocial model of pain
a treatment paradigm for chronic musculoskeletal pain that accounts for the role of biological, psychological, and social factors in an individual’s experience of pain
how is corrective exercise used in health care?
aims to reduce the likelihood of musculoskeletal injury in currently healthy individuals
used for individuals without specific medical needs, or who are not undergoing concurrent treatment for pain or injury
collaborate with and obtain clearance from licensed health professionals in transition from rehab to post-rehab exercise for optimal performance
how does corrective exercise optimize movement quality?
by minimizing compensatory motor recruitment
improving postural distortion
reducing movement impairment
what are the goals of corrective exercise in healthcare?
enhancing physical performance;
minimize injury risk;
improve movement efficiency;
and assist recovery
what makes up the human movement system (HMS)?
skeletal system, nervous system, muscular system
define: concentric muscle action
occurs when a muscle generates force while shortening to accelerate an external load
define: eccentric muscle action
occurs when a muscle generates force while lengthening to decelerate an external load
define: isometric muscle action
occurs when muscle generates force equal to an external load to hold it in place
define: agonist
prime mover muscle for a given movement pattern or joint action
define: antagonist
a muscle action that acts in direct opposition to the prime mover
define: synergists
muscles that assist prime movers during functional movement patterns
define: stabilizers
muscles that support or stabilize the body while prime movers and synergists perform movement patterns
define: motor behaviour
the human movement system’s response to internal and external environmental stimuli
define: motor control
study of posture and movements with the involved structures and mechanisms used by the central nervous system to assimilate and integrate sensory information with previous experiences
define: motor learning
the utilization of motor behaviour and control through practice and experience leading to a relatively permanent change in a person’s capacity to produce skilled movements
define: motor development
the change in motor behaviour over time throughout a person’s life
define: sensory information
the data that the central nervous system receives from sensory receptors to determine such things as the body’s position in space and limb orientation as well as information about the environment, temperature, texture etc.
define: sensations
a process by which sensory information is received by the receptor and transferred either to teh spinal cord for reflexive motor behaviour, to higher cortical areas for processing, or both.
define: perception
the integration of sensory information with past experiences or memories
define: neuromuscular efficiency
the ability of the neuromuscular system to allow agonists, antagonists, synergists, and stabilizers to work synergistically to produce, reduce, and dynamically stabilize the human movement system in all three planes of motion
define: sensorimotor integration
the ability of the central nervous system to gather and interpret sensory information to execute the proper motor response
define: movement compensation
when the body moves in a suboptimal way in response to kinetic chain dysfunction
define: feedback
the utilization of sensory information and sensorimotor integration to aid in the development of permanent neural representations of motor patterns for efficient movement
define: internal (sensory) feedback
the process by which sensory information is used by the body via length-tension relationships, force-couple relationships, and arthrokinematics to monitor movement and the environment
define: external (augmented) feedback
information provided by some external source, for example, a health and fitness professional, video, mirror, or HR monitor
define: knowledge of results
used after completion of a movement to inform individuals about the outcome of their performance
define: knowledge of performance
provides information about the quality of movement
what is a sarcomere?
the functional unit of a muscle made up of overlapping actin and myosin filaments
define: the cross-bridge mechanism
the collective physiological processes that cause actin and myosin filaments to slide across each other, functionally shortening the muscle as it develops tension.
define: length-tension relationship
the resting length of a muscle and the tension the muscle can produce at this resting length
define: resting length
a muscle’s state when the body is standing still; not contracting or stretching
define: neural drive
the rate and volume of activation signals a muscle receives from the central nervous system: motor unit recruitment
define: overactive/shortened
occurs when elevated neural drive causes a muscle to be held in a chronic state of contraction
define: underactive/lengthened
occurs when inhibited neural drive allows a muscle’s functional antagonist to pull it into a chronically elongated state
define: muscle imbalance
alteration of muscle length surrounding a joint
define: kinetic chain
the combination and interrelation of the nervous, muscular, and skeletal systems
define: force-couple relationships
the synergistic action of muscles to produce movement around a joint
define: posture
the independent and interdependent alignment (static posture) and function (transitional and dynamic posture) of all components of the human movement system at any given moment, controlled by the nervous system
define: structural efficiency
the alignment of each segment of the HMS, which allows posture to be balanced in relation to a person’s center of gravity.
define: functional efficiency
the ability of neuromuscular system to recruit correct muscle synergies, at the right time, with the appropriate amount of force to perform functional tasks with the least amount of energy and stress on the HMS
optimal neuromuscular efficiency is produced by what relationships?
lenght-tension relationships (muscular system)
force-couple relationships (nervous system)
arthrokinematics
what is the local musculature system?
muscles that connect directly to the spine and are predominantly involved in lumbopelvic hip complex stabilization
what is the global musculature system?
muscles responsible predominantly for movement and consisting of more superficial musculature that originates from the pelvis to the rib cage, the lower extremities, or both.
what muscles make up the deep longitudinal system?
peroneus longus, tibialis anterior, biceps femoris, sacrotuberous ligament
what muscles make up the posterior oblique system?
gluteus maximus, sacroiliac joint, thoracolumbar fascia, latissimus dorsi
what muscles make up the anterior oblique system?
adductors and external obliques
what muscles make up the lateral subsystem?
quadratus lumborum, gluteus medius, tensor fascia latae, adductor magnus (adductors)
define: movement impairment
state in which the structural integrity of the HMS is compromised because one or more segments of the kinetic chain are out of alignment
how does disfunction develop in the HMS?
altered force-couple relationships which lead to:
altered sensorimotor integration
altered neuromuscular efficiency
tissue fatigue and breakdown
define: cumulative injury cycle
a cycle whereby an injury will induce inflammation, muscle spasm, adhesion, altered neuromuscular control , and muscle imbalances
define: static malalignments
deviations from ideal posture that can be seen when standing still
define: pattern overload
occurs when a segment of the body is repeatedly moved or chronically held in the same way, leading to a state of muscle overactivity
what is altered reciprocal inhibition?
a process whereby an overactive/shortened muscle causes decreased neural drive, and therefore less-than-optimal recruitment of its functional antagonist
what is an example of altered reciprocal inhibition and synergistic dominance at the LPHC?
increased activity of erector spinae, gluteus maximus inhibited, increased compensation by hamstrings, and overactive hip flexors decrease neural drive to functional antagonist
define: dynamic malalignments
deviations from optimal posture during functional movements
define: dynamic malalignments
deviations from optimal posture during functional movements
define: relative flexibility
the body’s ability to find path of least resistance to accomplish a task, even if that path creates dynamic malalignments
what are kinetic chain checkpoints?
key points on the body to observe and assess an individual’s static and dynamic posture; feet and ankles, knees, LPHC, shoulders, and head/neck
what is assessed at the foot and ankle?
neutral arch of the foot, feet are parallel and pointing straight ahead, hip-to-shoulder width apart
what is assessed at the knee?
whether it is in line with the second and third toes of each foot and not flexed or hyperextended
what is assessed at the lumbopelvic hip complex?
neutral sagittal hip position, no excessive posterior or anterior tilt, and hips level in the frontal plane
what is assessed at the shoulders and thoracic spine?
not rounded forward and in line with hips and ears from a lateral viewpoint
what is assessed at the head and cervical spine?
neutral cervical spine (no excessive forward positioning of the neck) ears in line with the shoulders and a level chin.
what are self-myofascial techniques?
a category of flexibility techniques used to reduce tension in muscle fibers. Primary used for overactive tissue
define: myofascial adhesions
knots in muscle tissue that can result in altered neuromuscular control
define: inelastic
possessing the inability to stretch
What is davis’s law?
the law states that soft tissue will model along the lines of stress
what is myofascial rolling?
a compression intervention where an external object compresses the myofascia
what are the local mechanical effects of myofascial rolling?
reduced tissue viscosity, fascial hydration, reduced arterial stiffness, and circulatory improvements
what are global neurophysiological effects of myofascial rolling?
increased tissue relaxation due to afferent input from:
golgi tendon relfex
gamma loop modulation
mechanoreceptor signalling
pain modulation due to:
cutaneous receptor, mechanoreceptor, and pain receptor pathway stimulation
reduction in evoked pain sensations and spinal-level CNS excitability
what is the gamma loop?
the reflex arc consisting of small anterior horn nerve cells and their small fibers that project to the intrafusal bundle and produce contraction, which initiates the afferent impulses that pass through the posterior root to the anterior horn cells, inducing, in turn, reflex contraction of the entire muscle
what are application guidelines to consider for myofascial techniques?
texture, density, pressure, diameter
what are examples of myofascial technique tools?
myofascial rollers, myofascial balls, handheld myofacial rollers, vibration, cupping, myofascial flossing, and instrument assisted soft tissue mobilization (IASTM)
what is the application process you apply to reduce overall tension when targeting global neurophysiological effects?
roll slowly to identify tender area(s)
hold pressure for 30-60seconds or until reduction in tension
relax and breathe
what is the practical application for introducing tissue movement and targeting local mechanical effets
introduce active movements- move target limb while on roller for 4-6 repetitions at medium speed
simple method- continuous rolling
90-120 seconds over the entire length of muscle at a slow speed ~1inch per second
how frequently should you use myofascial rolling techniques?
2-7 days per week
during warm up, after warm up, during intermissions, or at cool down
what is optimal body positioning during rolling?
proper alignment, avoid lumbar and cervical spine hyperextension while in prone positions
and shoulder elevation while in seated or standing positions
what are the acute training variables for self-myofascial rolling?
frequency- most days of week
sets- 1
reps- hold areas of discomfort for 30-60 seconds, perform 4-6 reps of active movement
intensity- should be some discomfort but able to relax and breathe
duration- 5-10minutes total time; 90-120 seconds per muscle group.
what are the different types of stretching techniques?
static, dynamic, neuromuscular
what is flexibility?
length of the musculotendon
what is range of motion?
influenced by musculature but refers to movement capacity of joint
define: static stretching
the process of passively taking a muscle to the point of tension and holding the stretch for a minimum of 30 seconds
how is static stretching characterized?
elongation of muscle and myofascial tissue to an end-range and statically holding that position for a period of time
maximal control of structural alignment
minimal acceleration into and out of the elongated position
what are mechanical adaptations of static stretching?
acute viscoelastic stress relaxation: specific to sensation of stretch– when you hold the position until the sensation stops
decrease in passive resistance to stretch
immediate increase in soft tissue extensibility
define: viscoelastic
the collective properties related to fluid flow, heat dissipation, and elasticity of tissue