4. Identify both the synergist & antagonist muscles that operate at the followin

Question

4. Identify both the synergist & antagonist muscles that operate at the following joints. Before you start, review the movements associated with each of the following joints. Then remember Synergist muscles work together and are typically found on the same side of a joint For each joint, the synergists may be a combination of uni, bi-, or multiarticulate muscles -Antagonists work against each other-they come in pairs and are found on opposite sides of a joint For each joint, the antagonist pairs may include a selection of uni, bi, or multiarticulate muscles SYnergistAnta goTniSt a. Neck/Spine b.Hip c. Knee d. Ankle e. Toes f. Scapula g. Shoulder h. Elbow i. Wrist j Fingers 30

Explanation / Answer

Neck/spine Synergist on flextion and antagonist on extention of cervical spine ....Sterno Cleo do mastoid muscles(bilaterally),anterior scalene (bilaterally),longus capatis (bilaterally),longus colli (bilaterally). Synergist on extension and antagonist on flexion of cervical spine....trapezius (upper fiber ,bilaterally)lavator scapula(bilaterally),splenis capatis (bilaterally),splenis cervicis (bilaterally),rectus capatis posterior major,rectus capatis posterior minor,oblique capatis superior,semispinilis superior,. 2-HIP Synergist-iliopsoas, antagonist-glutius maximux 3-KNEE Antagonist muscle -hamstring(bicep femoris)semimembranus ,semitendonisi ...synergistic muscle-vaslus latelaris and rectus femoris. 4-ANKLE Antagonist muscle - tibialis anterior and medial gastrogastrocnemius ...synergistic muscle-plantaris 5-TOES Synergistic -fibularis longus,fibularis brevis,tibialis posterior,flexer hallusis longus ,flexor digitorum longus,plantaris.....antagonist -tibialis anterior,extensor digitorum longus,extensor hallusis longus 6-SCAPULA Synergistic- trapezium per uper fiber,rhomboid major rhomboid minor,lavator scapula.....antagonist- upper trapezium,seratus anterior 7-SHOULDER Synergistic-posterior deltoid ...antagonist-ananterior Deloris. 8-ELBOW Antagonist-bicep ...synergistic- smaller anconeus 9-WRIST Antagonist -bicep brachii.....synergistic-flexor carpi adialis 10-FINGER Antagonist-extensor carpi radialis longus ...synergistic-flexor digitorium profundus

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