Week 3 Quizzes (units 4-7) Flashcards
In a concentric contraction, the muscle lengthens to produce movements.
FALSE
Kinesiology is
The science or study of human movement, and the active and passive structures involved
An isometric contraction is when:
A muscle does not lengthen or shorten as it contracts
True synergy occurs when a muscle contracts to stop the secondary action of another muscle.
TRUE
An example of an antagonist muscle is:
Triceps during a biceps curl
Adduction is movement of a body part away from the midline of the body.
FALSE
An example of flexion is the:
Concentric action of a bicep curl
Flexion mainly occurs in which plane?
Sagittal plane
Newton’s second law of motion deals with force and its relationship to mass and acceleration
TRUE
Biomechanics is the study of:
Movement
Muscular force is broken down into the components of:
Magnitude
Direction
Point of application
Line of action
Inertia can be categorized as:
Resting inertia
Moving inertia
A first-class lever is similar to a seesaw.
TRUE
The ability to perceive your position and movement of the body or limbs in space is known as
Kinesthesis
A second-class lever is similar to a wheelbarrow.
TRUE
The faster the work is done during a movement, the lesser the amount of power.
FALSE
Posture is solely viewed in static positions, such as sitting, standing, or lying down.
FALSE
“Flatback” can be identified by a:
Posterior pelvic tilt
Excessive lateral curvature of the spinal column is known as:
scoliosis
Kyphosis is an exaggerated anterior-posterior curvature of the spinal column
TRUE
When the superior iliac crest of the pelvis moves forward and downward from the normal anatomical position, it is known as:
Lordosis
Intradiscal pressure is up to 11 times greater when seated versus lying down.
TRUE
Exaggerated anterior-posterior curvature of the spinal column is known as:
Kyphosis
Even though sitting can be unavoidable for many people, it is best to limit time spent sitting as much as possible, and design your workplace according to correct ergonomics.
TRUE
The major movements that are possible at the knee joint are adduction and abduction.
FALSE
The knee is stabilized on the anterior side by which muscle?
Quadriceps
The semimembranosus and semitendinosus attach on what side of the knee?
Medial
The ankle joint is made up of which bone(s)?
Tibia and talus
The hamstring muscles are a two-joint muscle that acts at the knee and hip.
TRUE
What muscle is located directly beneath the gastrocnemius and has similar functions to the gastrocnemius?
soleus
The wrist joint consists of the ends of the radius and ulna bones of the forearm with the carpal bones of the hand
TRUE
The shoulder girdle is made up of the clavicle and what other bone?
Scapula
