The Muscular System

During the execution phase, at the spine joint, occurs rotation and the erector spinae flexes (agonist) and obliques (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is concentric.
At the left shoulder joint, occurs flexion and the anterior deltoid flexes (agonist) and posterior deltoid (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is concentric.
At the left elbow joint, occurs flexion and the biceps brachii flexes (agonist) and triceps brachii (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is concentric.
At the left wrist joint, occurs extension and the wrist extensor flexes (agonist) and wrist flexor (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is eccentric.
At the left radio-ulnar joint, occurs supination and the supinator flexes (agonist) and pronator teres (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is concentric.
At the left hip joint, occurs extension and the gluteus maximus flexes (agonist) and iliopsoas (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is eccentric.
At the left knee joint, occurs extension and the quadriceps flexes (agonist) and hamstrings (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is eccentric.
At the left ankle joint, occurs dorsiflexion and the tibialis anterior flexes (agonist) and gastrocnemius (antagonist) extends. Also, during this movement are involved only skeletal muscle type and contraction type is concentric.
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