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Download Muscles - Lab List
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Muscles of Human Body – Lab List Muscles of Facial Expression Function Mouth Buccinator Compresses cheeks Orbicularis oris Compresses lips Eye Levator palpabrae superioris Elevates upper eyelid Orbicularis oculi Closes eyelid Ear Temporoparietalis Tenses scalp Scalp Occipitofrontalis, frontal belly Raises eyebrows Occipitofrontalis, occipital belly Tenses scalp Neck Platysma Tenses skin of neck Extrinsic Eye Muscles Inferior rectus Downward movement Medial rectus Medial rotation Superior rectus Upward movement Lateral rectus Lateral rotation Inferior oblique Upward and laterally Superior oblique Downwards and laterally Muscles of Mastication Masseter Elevates mandible Temporalis Elevates mandible Medial pterygoid Elevates mandible Lateral pterygoid Depresses jaw Muscles of the Neck Sternocleidomastoid Flexes neck Omohyoid, Sternohyoid, Sternothyroid Depresses hyoid bone Muscles of Pectoral Girdle Levator scapulae Elevates scapula Pectoralis minor Depresses shoulder Rhomboid major & minor Adducts scapula Serratus anterior Protracts shoulder Trapezius Elevates clavicle Muscles of the Thorax and Abdomen Oblique group, Thoracic region External intercostals Elevates ribs Internal intercostals Depresses ribs Oblique group, Abdominal region External & internal oblique Compresses abdomen Transversus abdominis Compresses abdomen Rectus group, Thoracic region Diaphragm Inspiration Rectus group, Abdominal region Rectus abdominis Depresses ribs Muscles of the Upper Extremity Deltoid Abduction at shoulder Supraspinatus Abduction at shoulder Teres major Adduction at shoulder Infraspinatus Lateral rotation at shoulder Teres minor Lateral rotation at shoulder Pectoralis major Flexion and medial rotation Latissimus dorsi Extension and medial rotation Biceps brachii Flexion at elbow Brachialis Flexion at elbow Triceps brachii Extension at elbow Pronator teres Pronation Supinator Supination Flexor carpi radialis Flexion at wrist Extensor carpi radialis longus Extension at wrist Muscles of the Hip Gluteus maximus Extension and lateral rotation Gluteus medius Medial rotation Tensor fasciae latae Medial rotation Obturators Lateral rotation at hip Gemelli Lateral rotation at hip Gracilis Flexion at knee Adductor magnus, longus & bravis Adduction at hip Muscles of Lower Extremity Hamstrings Flexion at knee and extension at hip (Biceps femoris, Semimembranosus & Semitendinosus) Quadriceps Extension at knee, flexion at hip (Rectus femoris & Vastus group) Sartorius Flexion at knee Tibialis anterior Dorsiflexion at ankle Gastrocnemius Planter flexion Soleus Planter flexion
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