Incorrect answers Flashcards
(45 cards)
Which is not an example of a movement in the sagittal plane?
Lateral flexion
Which muscle flexes the distal interphalangeal joints of the fingers?
flexor digitorum profundus (FDP)
Which is true regarding an eccentric muscle action?
?
The interphalangeal joints are what type joints?
synovial hinge joints
The rotator cuff group
a group of four muscles in the shoulder that work together to stabilize the glenohumeral joint and allow a wide range of movement
- subscapularis
- teres minor
- supraspinatus
- infraspinatus
The actions of the lower portion of the trapezius muscle include all of the following except:
elevation of the scapula
Which muscles may not be palpated on the dorsal (posterior) aspect of the hand?
Abductor pollicis longus while all the extensors muscles may be palpated (f.e. Extensor indicis, Extensor pollicis longus, Extensor digitorum)
If the knee were not able to slide, the femur would _____ when going from flexion to extension on a stationary tibia.
roll off the front of the tibia
Which is not a function of the latissimus dorsi muscle?
External rotation
Which of the following movements occurs in a horizontal plane around a vertical axis?
arm action in tennis forehand resulting in no spin
Motion between the articular surfaces of bone is known as _____.
arthrokinematics
A reduction in joint angle is termed:
flexion
Why is it better to lift a heavy weight from the floor by flexing and then extending the knees rather than flexing at the hips and then lifting the trunk?
shorter resistance arm
A muscle directly involved in causing a segment to move is called what?
agonist
Which is true about agonist muscles?
Causes a joint motion through a specified plane of motion when contracting concentrically
In human skeletal muscle, force generation capability is highest in which of the following conditions?
muscle is slightly lengthened
To best isolate the brachialis (reduce the effectiveness of the other flexors), it is best to perform arm curls with the forearm in which position?
pronated position
Which muscle of the shoulder joint is located on the posterior and superior regions of the scapula?
Supraspinatus
Each finger has three interphalangeal joints while the thumb is has only two.
False
Which of the following could be done to reduce the amount of force needed to move a lever?
- Apply the force further from the axis
- Move the resistance closer to the axis
- Decrease the amount of resistance
When viewed from the anatomical position which muscle is located on the anterior surface of the arm?
Pronator teres
Tightening a screw with a screwdriver using the right hand (turning clockwise) depends least on the action of the _____.
triceps muscle
Which of the following muscles is located most posteriorly on the human body?
Trapezius
Which muscle is involved in both pronation and supination?
Brachioradialis