krs 353 exam 1
Under the rectus abdominis, there are three more abdominal muscles. From superficial to deep, they are the __________ muscle, the ___________ muscle, and the________________ muscle.
external oblique, internal oblique, transverse abdominis
The shapes of the articulating surfaces of the _____________ joints physically limit the ranges of motion at different levels of the spine.
facet zygapophyseal
The erector spinae muscles extending the head would be an example of a class _____ lever.
first
Extending your elbow is an example of a class
first lever
The ___________ are located parallel in skeletal muscle fibers and detect subconscious muscle sense and muscle length change
muscle spindles
The hormone responsible for bone resorption is _________ , which regulates blood _________ in the body.
parathormone, calcium
Human equilibrium is maintained by the vestibular system, vision, and
proprioception
The rectus abdominis muscle originates from the crest of the _________ and inserts at rib number _______ to __________ and the xiphoid process.
pubis, pubic bone, 5 ,five, 7, seven
Neutralizers counteract the action of other muscles to prevent undesirable movements. For example, when supination of biceps brachii is desired, the _________contracts to prevent elbow flexion.
triceps brachii
Calf raises (plantarflexion at the ankle joint) is an example of a class
2 lever
Shoveling is an example of a class _____ lever.
3
The amount of force required to lift a 200kg object in a pulley system with four supporting ropes is
50 kg
The _____________ joint motion through a specified plane of motion when contracting concentrically.
agonist
The synergists assist in the action of _______________ and in ___________________
agonist, refined movements
The intervertebral disks are composed of an outer rim of dense fibrocartilage known as the _________ and a central gelatinous, pulpy substance known as the _____________
annulus fibrousus, nucleus pulposus
The joint between C1 and C2 vertebrae is called the _______ joint.
atlanto-axial
The joint between skull and C1 is called the _____ joint.
atlanto-occipital
The anatomical term of the "growth plate" is
epiphyseal plate
The rotation of the trunk to the right side occurs when the __________ muscle and __________ muscle contract at the same time.
external oblique, internal oblique
When two or more forces pull in different directions to contribute to a specific movement is called ____________.
force couples
For peroneus longus tendon, the _______ act as a pulley to increase the mechanical advantage.
lateral malleolus
The ___________ detect the fine touch and vibration applied to the skin
meissner's corpuscles
Although its primary role is to stabilize the joint, ligaments also maintain _____ between bones.
spatial relationships | space
The isokinetic contraction is a type of dynamic exercise in which the __________ is constant
speed of movement, speed
The biceps brachii flexing the elbow is an example of a class
three