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