2. Movement Analysis

Which class of lever has the fulcrum positioned between the effort and the resistance?

• Second class

• First class

• Third class

• Compound lever

In a triceps-powered elbow extension, which component of the lever system is the hand holding a weight?

• Effort

• Fulcrum

• Resistance

• Load arm

Which joint in the body forms the sole example of a second-class lever?

• Elbow

• Ankle (plantar-flexion on ball of foot)

• Hip

• Shoulder

During a biceps curl, which muscle acts as the antagonist?

• Deltoid

• Gastrocnemius

• Triceps

• Hamstrings

What term describes an isotonic contraction in which a muscle lengthens while producing force?

• Concentric

• Eccentric

• Isometric

• Static

Which of the following best defines mechanical advantage?

• Effort × Resistance

• Effort arm ÷ Resistance arm

• Resistance arm ÷ Effort arm

• Effort arm − Resistance arm

If the mechanical advantage of a lever is less than 1, the system is best suited to …

• lifting heavy loads slowly.

• producing speed and range of motion.

• maintaining static balance.

• preventing movement.

What movement occurs at the ankle when you push off the ground in sprinting?

• Dorsiflexion

• Plantar flexion

• Inversion

• Eversion

Which muscle group is the prime mover for hip extension?

• Hip flexors

• Gluteals

• Quadriceps

• Tibialis anterior

Select the correct plane–axis pairing for a cartwheel.

• Frontal plane – Sagittal axis

• Sagittal plane – Transverse axis

• Transverse plane – Longitudinal axis

• Frontal plane – Longitudinal axis