KINE 374 : Practice EXAM 1
Concentric contraction of the brachialis muscle causes elbow flexion. Therefore, it is an ______ of elbow extension.
Agonist
The wrist (radiocarpal) joint is a __________ synovial joint.
condyloid joint
The femur is part of the axial skeleton
false
The distal tibiofibular syndesmosis is an example of a:
fibrous joint
cervical facet joints are_________ type synovial joints
glide
All of the following muscles create Contralateral rotation with unilateral contraction, except:
levator scapula
Shoulder flexion and extension occur about a ____________ axis.
medial to lateral
According to the length-tension relationship, muscles generate the most force:
optimal length
Which of these actions occurs in the transverse plane?
Right trunk rotation
Which of the following is a synovial joint that allows movement in more than one cardinal plane?
saddle joint
Which type of bone is imbedded in a tendon?
Sesamoid bone
A/n ______________ contraction is where the muscle lengthens as it contracts
Eccentric
What is the appropriate name for a long muscle that causes the toes to extend?
Extensor digitorum longus
Summation involves activating additional motor units to help produce a large amount of force.
False
Identify the action of a muscle with a line of pull that crosses posterior to the medial-to-lateral axis of rotation of the hip joint.
Hip extension
According to the force-velocity relationship:
Muscle produces the greatest force at low velocities.
The bone movement observed around any given joint is a result of the balance of _________ acting around the joint.
Torques
A motor unit is a single motor neuron and the individual muscle fibers controlled by it.
True
Within a parallel (fusiform) muscle, the orientation of the muscle fibers and the line of pull of the muscle are arranged in the same direction.
True
Hip abduction and adduction occur around a ___________________ axis of rotation.
anterior to posterior
The pubic symphysis is an example of a
cartilaginous joint
The sternocleidomastoid has inferior attachments at:
the manubrium of the sternum and the medial third of the clavicle
Which is not a function of bones
thermogenesis