Gym Trainer Basic Knowledge

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Which muscle fiber type can develop oxidative capabilities or force production and speed in response to various training stimuli the MOST effectively?

Type IIa

Type IIb

Type IIx

Type I

Correct! Wrong!

What constitutes a muscle's fundamental contractile unit?

Muscle fiber

Myosin

Sarcomere

Muscle spindles

Correct! Wrong!

What portion of the muscle fiber is composed of lipids, enzymes, and other cellular organelles and stores glycogen and myoglobin?

Myofibrils

Sarcolemma

Sarcoplasm

Transverse tubules

Correct! Wrong!

Which plane of motion does the forward-backward motion of the arms and legs while walking occur in?

Sagittal

Longitudinal

Transverse

Frontal

Correct! Wrong!

Which organ system is in charge of the movement of nutrients, the elimination of waste, and general environmental upkeep to support the function of the body?

Reproductive

Cardiovascular

Endocrine

Respiratory

Correct! Wrong!

Which of the following soft tissues contributes LEAST to the overall resistance that the joint encounters when moving across its range of motion during dynamic and static stretching?

Tendons

Skin

Joint capsule

Muscle fascia

Correct! Wrong!

Which muscle, or set of muscles, is MOST crucial for human respiration?

Diaphragm

External Intercostals

Transverse Abdominis

Internal Intercostals

Correct! Wrong!