Muscle Pairs and Actions

Which muscle group is responsible for extension/straightening of the arm at the elbow?

• biceps brachii

• gastrocnemius

• triceps brachii

• deltoid

Which muscle group is responsible for extension of the leg at the knee?

• quadriceps

• biceps brachii

• hamstrings

• deltoids

Which muscle is responsible for raising the whole arm?

• biceps muscle

• deltoid muscle

• triceps muscle

• quadriceps muscle

Which muscle allows you to raise up onto your toes and point the foot?

• gastrocnemius

• gluteus maximus

• hamstrings

• quadriceps

Which muscle allows you to move the leg back behind you and helps to climb stairs?

• gastrocnemius

• gluteus maximus

• hamstrings

• quadriceps

Which muscle group is responsible for flexing/bending at the knee?

• gastocnemius

• gluteus maximus

• quadriceps

• hamstrings/Biceps femoris

Which muscle group is responsible for flexion/bending at the elbow?

• biceps brachii

• deltoid

• triceps brachii

• gastrocnemius

Which muscle group is responsible for bringing the leg down from the side and closer to the midline?

• quadriceps and hamstrings

• biceps and triceps

• pectoral muscles

• adductor muscles

Which muscle allows you to bring your arms together closer to the midline in front of you?

• deltoid

• rectus abdominis

• pectoralis major

• adductor muscles

Which muscle is responsible for straightening the foot if it was already pointed?

• gastrocnemius

• tibialis anterior

• hamstrings/biceps femoris

• quadriceps