exph 2200 exam 2

Identify which statement is correct about the spine.

The erector spinae group becomes becomes inactive at about 1/2 trunk flexion

The chief function of the _______ is to pull the synovial membrane of the elbow joint out of the way of the advancing olecranon process during extension of the elbow.

anconeus

tight iliopsoas causes...

back pain

Strength differences between chin-up (palms toward face) and pull-up (palms away from face) greatly depends on the activity of the ______ (muscle).

biceps brachii

Tightening a screw with a screwdriver using the right hand depends significantly upon the action of the _____. (Significantly means "strongest supinator")

biceps brachii

when gluteus medius is weak...

causes trendelenburg lurch

Extreme _________________ of the spine is prevented in part by the spinous processes.

extension

Which of the following is the sole action of the brachialis muscle?

flexion of the elbow

When standing, anterior tilt of the pelvic girdle will cause ________ at the hips and ________ at the lumbar spine.

flexion, extension

The wrist joint moves through the ______ plane about the _______ axis with ulnar deviation.

frontal, saggital

During the upward phase of the lunge, what are the agonist muscles?

gluteus maximus, biceps femoris (long head), semitendonosus, semimembranosus

in push up...

gluteus maximus, semimembranosus, semitendonosus, biceps femoris

hip external rotation...

gluteus maximus, six deep external rotators

how to isolate knee flexion by the hamstrings without hip extension?

iliopsoas as neutralizer

The elbow includes all of the following ligaments except the:

interosseus ligament.

origin of wrist flexors...

medial epicondyle

a type of wrist flexor...

palmaris longus

in pushing down phase of stair machine...

rectus femoris, vastus medialis, vastus lateralis, vastus intermedius

Flexion of the elbow occurs in the _______ plane of motion, and supination of the forearm occurs in the _______ plane of motion.

sagittal, transverse

Of the carpal bones, which articulates with the radius and is critical in transfering force from the hand into the forearm ?

scaphoid

disk herniation caused by...

spinal flexion

cervical flexion...

sternocleidomastoid

how to help large q angle and knee pain...

strengthen vastus medialis

radioulnar joint...

trochoid (pivot-type joint)

In the context of wrist and hand movements, dorsiflexion refers to the movement of the back of the hand toward the posterior or dorsal aspect of the forearm.

true

In the context of wrist and hand movements, opposition refers to the movement of the thumb across the palmar aspect to oppose the palm or any combination of the phalanges.

true

In the context of wrist and hand movements, ulnar flexion refers to the movement of the little finger side of the hand toward the medial aspect or ulnar side of the forearm.

true

Medial epicondylitis is frequently referred to as "golfer's elbow."

true

Movements of the wrist joint include flexion, extension, abduction, and adduction.

true

The ulna is much larger proximally than the radius.

true

The ulnar collateral ligament is critical to providing medial support to prevent the elbow from abducting when stressed in physical activity.

true

in leg raises...

trunk flexors, trunk rotators, and trunk lateral flexors isometrically contracting

popliteus muscle...

unlocks knee and allows flexion

during frisbee throw...

wind up is concentric and release is concentric