GCSE PE - Musculoskeletal system recap and levers

What is the agonist muscle for knee extension?

• gastrocnemius

• hamstring

• tibialis anterior

• quadriceps

What is a concentric contraction?

• When the muscle shortens under tension

• When the muscle lengthens under tension

• When the muscle stays the same length

Which are examples of eccentric contractions? (tick all those that apply)

• Downward phase of squat

• Upward phase of squat

• Downward phase of pressup

• Upward phase of pressup

• Wall sit

The crucifix position is in gymnastics is an example of what type of muscle contraction? Eccentric, concentric or isometric?

(a)  

What are the 3 parts which make up a lever?

• Effort/muscle

• Bone

• Fulcrum/pivot

• Resistance/load

Plantarflexion at the ankle is classified as what type of lever?

• 1st class

• 2nd class

• 3rd class

Throwing a tennis ball is an example of what type of lever?

• 1st class

• 2nd class

• 3rd class

Tick the actions which are classified as a third class lever? (tick all that apply)

• Elbow extension

• Ankle plantarflexion

• Elbow flexion

• Knee flexion

The fulcrum in a lever is what body part?

• Bone

• Joint

• Ligament

• Tendon

The effort in a lever is what body part?

• Bone

• Ligament

• Muscle

• Tendon