which category of motor units typically have the highest threshold of activation?slow

Question

which category of motor units typically have the highest threshold of activation?

slow

twitch, oxidative motor units

Type 1 motor units

Type 2a motor units

Type 2b motor units

Motor units of the smallest size

Which branch of Rigid Body Mechanics is being discussed by the following statement:

there is approximately 180 degrees of scapulothoracic motion, 120 of which occurs at the GH

joint, and 60 of which occurs through scapulothoracic motion; the dominant plane of motion is the

frontal plane, but there is also components of scapular and horizontal plane motion

(NOTE: no knowledge of shoulder anatomy or mechanics is necessary to answer the question)

a.kinetics

b.kinematics

c.fluid mechanics

d.statics

e.deformable body mechanics

A 70kg body will measure which of the following in a gravity free environment?

a.70 x 2.2 = 154lbs

b.0kg

c.70kg

d.70 x .17 (17%) = 11.9kg

e.none of the above

Science