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muscle action
Lab 2 test
| Question | Answer |
|---|---|
| Frontal Belly of the Epicranius | Raises the eyebrows |
| Occipital belly of the Epicranius | Pulls the scalp posterior |
| Temporalis | Closes the jaw and assists in side to side movement of the jaw |
| Masseter | Prime mover of jaw closer |
| Sternocliedomastoid | Lt muscle turns head right, Right muscle turns head left, cntracting both will move head down |
| Obicularis Oculi | Closes the eyes, squinting |
| Zygomaticus minor and major | raises the lateral corners of the mouth |
| Orbicularis Oris | Closes the lips |
| Platysma | Helps depress the Mandible |
| Lateral Pterygoid | Side to side movement of the jaw |
| Medial Pterygoid | Side to Side movement of the jaw |
| Transverse Abdominis | Compress Abdominal Contents |
| Rectus Abdominis | Flex trunk |
| Internal Obligue | Flex Trunk |
| External Oblique | Flex Trunk |
| Serratus Anterior | Holds scapula to the chest wall |
| Pectoralis minor and major | Prime mover in arm flexion |
| Subscapularis | Rotates humerus medially, hold humerus head into Glenoid cavity |
| Bicep Brachili | Flexion of forarm |
| Deltoid | Prime mover in arm abduction |
| Supraspinatus | Initiates abduction and stabilizes shoulder joint |
| Infraspinatus | Rotates humerus latterally |
| Teres Minor | Rotates humerus latterally |
| Teres Major | Adducts Humerus |
| Triceps Brachili | Extension of the forarm |
| Brachialis | Prime mover of forarm and flexion of the forarm |
| Illiopsoas | Part where the psoas major and Illiacus come together |
| Psoas Major | Flexion in the lumbar spine and thigh |
| Iliacus | Flexion in the lumbar spine and thigh |
| Tensor Fascia Latae | Abduction of the thigh |
| Pectineus | Adduction of the leg |
| Sartorius | Flex Thigh and leg. Laterally Rotates thigh |
| Rectus Femoris | Hip and knee flexion, Extension of the leg |
| Adductor Longus | Adduction of the leg |
| Gracilis | Adduction of the leg |
| Adductor Magnus | Adduction of the leg |
| Vastus Lateralis | Extension of the leg |
| Vastus Intermedius | Extension of the leg |
| Vastus Medialis | Extension of the leg |
| Gluteus Medius and Maximus | Getting up from seated position and extension of the thigh |
| Iliotibial Band | Abduction of the thigh |
| Bicep Femoris | Flex leg and extend thigh |
| Semitendinosus | Flex leg and extend thigh |
| Gastrocnemius | Plantar Flexion |
| Tibialis Anterior | Dorsi Flexion |
| Extensor Digitorum Longus | Extension of toes |
| Soleus | Plantar Flexion |
| Trapezius | Shrugging of the shoulder |
| Latissimus Dorsi | Prime mover of the arm extension, Medially roates at the shoulder |
| Brachioradialis | Flexsion of forarm |
| External Intercostals | |
| Internal Intercostals | |
| Rhomboids Major and Minor | |
| Diaphragm | |
| Semimembranosus | |
| Calcaneal Tendon |
Created by:
mo2n2b
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