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Muscles
Name, Origin, Insertion, Action, Antagonist
| Name | Origin, Insertion, Action, Ant |
|---|---|
| Biceps brachii | O-Scapula, I-radius, A-Flexion of elbow, Ant-Triceps brachii |
| Triceps brachii | O-Humerus & Scapula, I-Oecranon process, A-Extension of elbow, Ant-Biceps brachii |
| Digastric | O-Mastoid process, I-Mandible, A-lowers mandible, Ant-Masseter & Temporalis |
| Masseter | O-Zygomatic arch, I-Mandible, A-raises mandible, Ant-Digastrics |
| Quadraceps group | O-Ileum & Femur, I-Tibia, A-Extend the knee, Ant-Hamstring group Qgroup (Vastus lateralis, Vastus medialis, Rectus femoris, Vastus intermedius |
| Hamstring group | O-Ischium, I-Tibia & Fibula, A-Flex the knee, Ant-Quad group Hamgroup(Biceps femoris, semitendinosus, semimembranosus) |
| Rhomboideus | O-Vertebrae, I-Scapula, A-Adduct scapula, moves it dorsally, Ant-Serratus ventralis |
| Serratus ventralis | O-Ribs, I-Scapula, A-pulls scapula ventrally, Ant-Rhomboideus |
| Pectoralis group | O-Sternum, I-humerus, A-Flexion of shoulder, Ant-Latissimus dorsi |
| Biceps brachii | O-Scapula, I-radius, A-Flexion of elbow, Ant-Triceps brachii |
| Tibialis anterior | O-Tibia, I-first metatarsal, A-dorsiflexion of foot, Ant-Gastrocnemius |
| Triceps brachii | O-Humerus & Scapula, I-Oecranon process, A-Extension of elbow, Ant-Biceps brachii |
| Gastrocnemius | O-Femus, I-Calcaneus, A-Plantar flexion of foot, Ant-Tibialis anterior |
| Digastric | O-Mastoid process, I-Mandible, A-lowers mandible, Ant-Masseter & Temporalis |
| Splenius | O-Vertebrae, I-temporal bone, A-rotate head & extension of neck, Ant-Sternocleidomastoid |
| Masseter | O-Zygomatic arch, I-Mandible, A-raises mandible, Ant-Digastrics |
| Quadraceps group | O-Ileum & Femur, I-Tibia, A-Extend the knee, Ant-Hamstring group Qgroup (Vastus lateralis, Vastus medialis, Rectus femoris, Vastus intermedius |
| Hamstring group | O-Ischium, I-Tibia & Fibula, A-Flex the knee, Ant-Quad group Hamgroup(Biceps femoris, semitendinosus, semimembranosus) |
| Rhomboideus | O-Vertebrae, I-Scapula, A-Adduct scapula, moves it dorsally, Ant-Serratus ventralis |
| Serratus ventralis | O-Ribs, I-Scapula, A-pulls scapula ventrally, Ant-Rhomboideus |
| Pectoralis group | O-Sternum, I-humerus, A-Flexion of shoulder, Ant-Latissimus dorsi |
| Tibialis anterior | O-Tibia, I-first metatarsal, A-dorsiflexion of foot, Ant-Gastrocnemius |
| Gastrocnemius | O-Femus, I-Calcaneus, A-Plantar flexion of foot, Ant-Tibialis anterior |
| Splenius | O-Vertebrae, I-temporal bone, A-rotate head & extension of neck, Ant-Sternocleidomastoid |
| Sternocleidomastoid | O-Manubrium & Clavicle, I-Mastoid process, A-Rotate neck (individually), Flex neck (together), Ant-Splenius |
| Adductor group | O-Pubic bone, I-Femur, A-Adduct the leg, Ant-Gluteus maximus, Gluteus medius |
| Trapezius | O-Occipital & Cervical vertebrae, I-Scapula & Clavicle, A-Extension of neck, raising and lowering shoulder, Ant-Sternocleidomastoid |
| Intercostals | O-Ribs, I-Ribs, A-Movement of anterior chest wall for inhalation and exhalation |
| Supraspinatus | O-Scapula, I-Humerus, A-Abduct or extend humerus, Ant-Infraspinatus |
| Infraspinatus | O-Scapula, I-Humerus, A-Adducts and lateral rotation of humerus, Ant-Supraspinatus |
| Teres major | O-Scapula, I-Humerus, A-Extend, adduct or medially rotate humerus, Ant-Supraspinatus & Deltoid |
| Deltoid | O-Scapula & Clavicle, I-Humerus, A-Abduct arm, Ant-Pectoralis group |
| External oblique | O-Ribs and lumbodorsal fascia, I-Linea alba, A-Constrict abdomen |
| Internal oblique | O-Pelvic girdle, I-Linea alba, A-Constrict abdomen |
| Temporalis | O-Temporal bone, I-Mandible, A-Synergist with Masseter, Ant-Digastric |
| Transverse abdominus | O-Pelvic girdle & lumbodorsal fascia, I-Linea alba, A-Constrict abdomen |
| Soleus | O-Fibula, I-Calcaneus, A-Plantar flexion, Ant-Tibialis anterior |
| Gracilus | O-Pubic symphysis, I-Tibia, A-Adductor of thigh, Ant-Gluteus maximus |
| Sartorius | O-Iliac crest, I-Tibia, patella, A-Flexion of thigh, allows crossing of leg, Ant-Gluteus maximus |
| Gluteus medius | O-Ileum, I-Greater trochanter of femur, A-Abduction and medial rotation of thigh, Ant-Gracilus |
| Gluteus maximus | O-Pelvic girdle, I-Femur, A-Abducts thigh and extends hip, Ant-Adductor group, gracilus |
| Rectus abdominus | O-Pubic bone, I-Sternum and costal cartilages, A-Flexes body, compresses abdomen |
| Orbicularis oris | O-Maxilla, mandible, I-Mucous membrane, A-purses lips |
| Orbicularis oculi | O-Orbit (around the eye), A-closes eyelids |
| Latissimus dorsi | O-Lumbodorsal fascia, I-Humerus, A-Extension of shoulder, Ant-Pectoralis group |
Created by:
daydreamer67
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