Anatomy & Phy 1 Word Scramble
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Question | Answer |
Sarcomeres | The Smallest contractile unit of muscle; extends from one Z disc to the next |
Neuromuscular junction | The region where a motor neuron comes into close contact with a skeletal muscle cell |
Motor unit | a motor neuron and all the muscle cells it supplies. |
Synaptic cleft | the fluid filled space at a synapse between neurons |
Know the names of the 2 contractile proteins | Actin & Mycin |
Know the 3 connective tissue coverings of skeletal muscles from the inside out | Endomysium, Perimysium and Epimysium |
Know the different ways skeletal muscle is named | Location of origin, insertion, Location, Shape, Direction of muscle fibers, Size, Action & Number of Origin |
Orbicularis Oris | Closes Mouth & protrudes lips |
Sternocleidomastoid | Flex Neck forward/ Back & Rotates |
Pectoralis Major | Adducts and Flexes ,Medially Rotates and Moves Arm/ Humerus |
Rectus Abdominis | Flex’s Vertebral Column |
Biceps Brachii | Flexes Elbow & Supinates forearm |
Triceps Brachii | Powerful Arm Extender Antagonist of Biceps Brachii |
Gluteus Maximus | Powerful Hips Extensor (Forceful)(Climbing Stairs) |
Gastrocnemius | Planter Flexes Foot & Flexes Knee when in Dorsiflexed. Crosses Knee Joint |
Know the 4 muscles that make up the quadriceps | Rectus Femoris, (3 Vastus Muscles) Vastus Lateralis, Vastus Medialis, Vastus Intermedius |
Know the 3 muscles that make up the hamstring | Biceps Femoris, Semitendinosus & Semimembranosus |
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