GCSE PE
Muscles - Front (6)            Assessment 7 - Skeletal & Muscular System
                 Pectorals     Biceps
                Abdominals
                             Hip Flexors
                Quadriceps
                              Tibialis
                              Anterior
                               GCSE PE
Muscles - Back (7)             Assessment 7 - Skeletal & Muscular System
               Trapezius      Deltoid
              Latissimus       Tricep
                Dorsi
               Gluteals      Hamstrings
             Gastrocnemius
                                                    GCSE PE
Types of movement at joints (7 + EGs)               Assessment 7 - Skeletal & Muscular System
   Closing of a joint     Flexion       Extension           Opening of a joint
   Limb returning to                                        Limb moving away
   the midline of the    Adduction                          from the midline of
                                        Abduction
         body                                                    the body
   Closing the joint,
                                        Plantar            Opening a joint and
     pointing toe       Dorsi Flexion
                                        Flexion             pointing the toe
       upwards
   Turning around an
                          Rotation
     imaginary line
                                                                        GCSE PE
Antagonist muscle actions (4 + EGs)                                     Assessment 7 - Skeletal & Muscular System
         Joint   Movement          Agonist            Antagonist                        Sports Example
 Knee            Flexion                                                       When bending the knee before jumping in
                                   Hamstring          Quadricep                              Basketball
                 Extension        Quadricep            Hamstring              When jumping up in Basketball for a rebound
 Shoulder        Abduction                                                   When diving to save a shot as a goalkeeper in
                                    Deltoid         Latissimus Dorsi                           Football
                 Adduction      Latissimus Dorsi        Deltoid                   Butterfly arm action when swimming
 Elbow           Flexion             Bicep               Tricep                        When throwing the javelin
                 Extension           Tricep              Bicep                       Preparing to throw the javelin
 Ankle           Dorsiflexion   Tibialis anterior   Gastrocnemius                     When sprinting in the 100m
                 Plantar
                                Gastrocnemius       Tibialis anterior             When jumping to block in Volleyball
                 flexion
                                                                     GCSE PE
Muscle Contractions (3 + EGs)                                        Assessment 7 - Skeletal & Muscular System
     Type of
                                        Sports Eg                                          Description
   contraction
                                                                                   Muscle remains the same
    Isometric
                                                                                     length under tension
                       Bicep during a                Quadriceps
   Concentric
                         bicep curl                 during a squat               Muscle shortens under tension
    Isotonic
                       upward phase                 upward phase
                       Bicep during a                Quadriceps
   Eccentric             bicep curl                 during a squat
                                                                                Muscle lengthens under tension
   Isotonic              downward                     downward
                           phase                        phase
                                          GCSE PE
Muscle Fibre Types (8)                    Assessment 7 - Skeletal & Muscular System
            Fast Twitch                               Slow Twitch
          Low tolerance      Fatigue               High tolerance
           Tire quickly     Tolerance             Do not tire quickly
                              Force
           Large force                                Little force
                             Created
                              Energy
         Anaerobic supply                        Aerobic supply low
                              Supply
                            Contraction
             Quickly          Speed                     Slowly
              White           Colour                     Red
          100m sprinter        EG                 Marathon runner
                                                                        GCSE PE
Functions of the Skeleton (4+EGs)                                       Assessment 7 - Skeletal & Muscular System
       1          Protection           Heart is protected by the ribs
                                       Ribs provide support for the
       2     Shape and Support
                                               upper body
            Muscle attachment for       Muscles attach to bones to
       3         movement                  create movement
                                        Contains bone marrow to
       4   Red blood cell production
                                          produce blood cells
                                    GCSE PE
The Skeleton (Top Half 11)          Assessment 7 - Skeletal & Muscular System
                 Cranium
                               Clavicle
                                Humerus
              Scapula (back)
                  Ribs
                                  Pelvis
                                                               Carpals
                 Radius
                  Ulna                                       Metacarpals
                                                             Phalanges
                                                GCSE PE
The Skeleton (Bottom Half 8)                    Assessment 7 - Skeletal & Muscular System
                               Flat Bones              Cranium   &     Scapula
                               Long Bones              Humerus   &      Femur
         Femur
                               Short Bones             Carpals   &     Tarsals
         Patella
                                             Tarsals
          Tibia
                                        Metatarsals
         Fibula
                                         Phalanges
          Talus
                                      GCSE PE
Joint Types (3)                       Assessment 7 - Skeletal & Muscular System
                                                 Description
                             Cannot move at all
                             Also known as fibrous
              Fixed Joint    Found in cranium
                             Have a greater amount of movement
            Freely movable   Consist of a number of parts
               (synovial)    Examples knee, elbow, shoulder, hip
                             Bones in the joint can move together a small
               Slightly
                             amount as they are inked by ligament and
              moveable
                             cartilage.
                             Found in vertebral column
                                      GCSE PE
Type of Synovial Joint (2)            Assessment 7 - Skeletal & Muscular System
       Type of Joint                             Description
                             Found in elbow and knee
                             Allow flexion and extension
         Hinge Joint
                             Found in hip and shoulder
                             Have a large range of movement e.g.
      Ball and Socket
                             flexion, extensio, abduction, adduction,
            Joint
                             rotation
                                          GCSE PE
Components of a joint (5)                 Assessment 7 - Skeletal & Muscular System
                               ligament
                                2.synovial fluid         3.cartilage
               Joint capsule
 Component =
                                Synovial membrane
                                                                        GCSE PE
Joint Structure & Tendons (5)                                           Assessment 7 - Skeletal & Muscular System
      Synovial Membrane   Surround the synovial fluid
      Synovial Fluid      A lubricant to reduce friction in the joint
      Cartilage           Strong flexible material found at the end of bones. Used for cushioning
      Ligament            Connects muscle to bone
      Joint Capsule       The structure surrounding and protecting the joint