Describe wrist and finger in full extension. Provide a biomechanical and physiological explanation on what is happening as the wrist and finger is in full extension.
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Describe wrist and finger in full extension. Provide a biomechanical and physiological explanation on what is happening as the wrist and finger is in full extension.
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- Determine the muscles involved in common movements Lists the joints used Discuss the physiology of the movement Movements: Jumping (search spring actuated models) Frog Muscles involved: quadriceps, hamstrings, and glutes Joints: hip joint, knee joint, and ankle joint Physiology of the movement: The moment when the frog jumps, such as a catapult or archer’s bow, the tendons which wrap around the ankle release energy, which causes a rapid extension of the ankle that drives the frog forward. Grasshopper Muscles involved: Joints: Physiology of the movement: Dolphin Muscles involved: peduncle (in the tail section) Joints: Physiology of the movement: Running Elephant Muscles involved: Joints: Physiology of the movement: Cheetah Muscles involved: Joints: Physiology of the movement: Iguana (or any lizard with a tail) Muscles involved: Joints: Physiology of the movement: Flying/Gliding/Swimming Hummingbird Muscles involved: Joints: Physiology of the…Locate and list two different pairs of muscles that act as on the body as agonist/antagonist. (That is, in each pair, one muscle will produce a movement, such as flexion, that the other muscle will undo, and produce extension; abduction/adduction, etc. are other ways that muscle produce opposite actions on the same part of the body).Name two muscles that act as “fixators.” (What are fixators?) What joint or joints are they helping to stabilize?Why is the biceps brachii called a “bicep,” while the triceps brachii is called a “triceps?”What is the difference between a muscle with “longus” as part of its name and a muscle with “brevis” as a part of its name?In a general sense, how do skeletal muscles produce movement?
- During a Physical Education class, you ask your students to perform a standing vertical jump. Identify the type of muscle contraction involved in the jump and describe the movement patterns of the concentric and eccentric phases. Outline the agonists, antagonists and synergist muscles, which contribute to maximum jump height. Identify the major lower body joints and joint movements, which contribute to the concentric phase of the jump.With a laboratory partner, determine how and why maintaining full flexion of all the fingers is impossible when passively moving the wrist into maximal flexion. Is it also difficult to maintain maximal extension of all the finger joints while passively taking the wrist into full extension?Describe action of different compartments of arm, forearm, thigh and leg muscles. Posterior and anterior compartments of arm. Posterior and anterior compartments of forearm. Posterior, anterior and medial compartments of thigh. Posterior, anterior and lateral compartments of leg.
- Describe each muscle needed to contract for specific movement and each muscles action during that action. Each muscle firing is it's own step. Something simple like kicking a ball is one action with multiple muscles firing it that action. You need at least 5 muscles involved in your action Example: Description: Picking up a glass of water. Muscles: Biceps, brachialis. Step 1: The brachialis has an origin at the humerus and inserts at the ulna. Contracting is a flexion action. Example: The [Muscle] has an origin at the [Bone] and inserts at the [Bone]. Contracting is a [Action] actionDuring her initial visit with the physical therapist, Mrs. Tanner presented with significant "foot drop" (the inability to dorsiflex the foot when taking a step). Mrs. Tanner was asked to perform a variety of movements with her right lower extremity. The therapist focused her attention on the prime movers and synergists of the hip, knee, and ankle. What are "prime movers" and "synergists"? Explain your answer.Explain how the attachments, locations, and interactions of skeletal muscles make different movements possible.
- Explain the differences between dynamic and static stretching. Give 3 examples of each oneAn isometric exercise is one in which the joint angle does not change during the application of muscle force. For instance, you can join your hands together, pushing down with one hand and pushing up with the other. In each arm, the muscles that provide the force are connected to the bones of the arm by tendons. If you increase the forces but keep the angles the same, the muscles will still contract. Explain how this is possible.Muscle fibres which characterize skeletal and cardiac muscle (dark-light bands): muscle budle myosin sacromere filaments Frontal view of the lower leg anterior view of the fibula anterior view of the femur distal view of the calcaneus sagittal view of the tibia Cross-section of the breastbone: sagittal view of the scapula sagittal view of the sternum transverse view of the scapula transverse view of the clavicle The system producing most of the energy in a long workout: phosphocraitin anaerobic anaerobic alactic aerobic The moment of inertia depends on: the moment of force the…