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GCSE P.E Lesson 2 Muscles MUSCLES AND MOVEMENT (part 1) Learning Objectives . . . By the end of this lesson you will understand . . • . . . . The role of each muscle in relation to movement. • Specific sporting examples. MAIN ACTIONS OF SPECIFIC MUSCLES DELTOID • Top of shoulder • Raises your arm up What action is this called? At what joint? BICEPS • Top of upper arm • Bends your arm at the elbow What action is this called? At what joint? TRICEPS • Underneath the biceps (lower arm) • Straightens your arm at the elbow What action is this called? At what joint? TRAPEZIUS • Triangular shape muscle at the back of shoulders and neck. • Rotates the shoulders and moves the head. What action is this called? At what joint? LATISSIMUS DORSI • Large muscle at the side and back. • Pulls your arm down at the shoulder towards the back. What action is this called? At what joint? ABDOMINALS • Stomach muscles. • Pulls in your stomach and helps your bend forward. What action is this called? At what joint? QUADRICEPS Major leg muscles…allow for flexion at the knee EXAMPLE FROM SPORT- Sprinting Opposite to quadriceps…allow for extension of the knee joint HAMSTRINGS GASTROCNEMIUS Calf muscles Movement- allows us to stand on toes Sporting example- long jump PECTORALS Assist in movement of the chest, and abduction and adduction of the arms Sporting exampleWeight lifting, rowing GLUTEALS The gluteus allows us to move the legs in all directionscreates flexion, extension, abduction and adduction Sporting exampleGymnastics
