Muscular system Flashcards
Name 2 antagonistic muscle pairs
- Bicep and Triceps
- Quadriceps and Hamstrings
- Hip flexors and Gluteus maximus
Describe the motion of plantarflexion
Moving your feet and toes away from you
Gastrocnemius contraction
Describe the motion of dorsiflexion
Moving your feet towards you
Tibialis anterior contraction
What are the three muscle types in the body?
- Smooth muscle – found in the internal organs and
blood vessels - this is involuntary - Cardiac muscle – found only in the heart - this is
involuntary - Skeletal muscle – attached to the skeleton - this is
voluntary
Describe the function of the deltoid, and give a sporting example
Shoulder abduction
Outwards motion in a jumping jack
Describe the function of the biceps, and give a sporting example
Elbow flexion
Drawing a bow in archery
Describe the functions of the pectoralis major, and give a sporting example
- Shoulder horizontal flexion
- Shoulder adduction
(Pushing up in a press up)
Describe the function of the triceps, and give a sporting example
Elbow extension
Shooting in netball
Describe the function of the external obliques, and give a sporting example
Trunk rotation (turning the body sideways)
Turning the body to breathe to the side when performing front crawl in swimming
Describe the function of the latissumus dorsi, and give a sporting example
- Shoulder adduction
- Shoulder horizontal extension
(Butterfly stroke in swimming)
Describe the function of the hip flexors, and give a sporting example
Hip flexion (moving knee towards chest)
Performing a rugby conversion kick
Describe the function of the gluteus maximus, and give a sporting example
Hip extension (moving the leg backwards)
Pulling the leg back before kicking a ball
Describe the function of the quadriceps, and give a sporting example
Knee extension
Kicking a ball
Describe the function of the hamstrings, and give a sporting example
Knee flexion
Performing a hamstring curl on a weights machine
Describe the function of the gastrocnemius, and give a sporting example
Plantarflexion
Pushing off in a sprint start