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A&P Muscle Unit
| Term | Definition |
|---|---|
| Synarthrosis joint | Immovable Joint |
| amphiarthrosis joint | slightly movable joint |
| diarthrosis joint | freely movable joint |
| suture | synarthrosis, fibrous joint, dense regular connective tissue, skull |
| gomphosis | synarthrosis, fibrous joint, tooth |
| syndesmosis | synarthrosis and amphiarthrosis, fibrous joint, dense regular connective tissue, between radius and ulna |
| synchondrosis | synarthrosis, cartilaginous joint, hyaline cartilage, epiphysial plate, first rib to the sternum, and costal cartilages |
| symphysis | amphiarthrosis, cartilaginous joint, fibrocartilage, intervertebral disc and pubic symphysis |
| synovial joint | diarthrosis, articular cartilage and capsule, synovial fluid and cavity, |
| triceps brachii | a. extend the elbow, i. olecranon process of the ulna |
| brachialis | a. flex the elbow, o. humerus i. coronoid process of the ulna |
| brachioradialis | a. flex the elbow o. humerus i. styloid process of the radius |
| biceps brachii | a. flex the elbow, supinate the forearm o. coracoid process of the scapula i. radial tuberosity |
| Frontalis | a. raise eyebrows |
| orbicularis oculi | a. closes eyes |
| zygomaticus major | a. elevates the lateral corners of the mouth |
| orbicularis oris | a. closes lips |
| mentalis | a. protrudes lower lip |
| buccinator | a. compresses cheeks |
| Masseter | a. elevates mandible |
| temporalis | a. elevates and retracts mandible (closes jaw) |
| digastric | a. depresses mandible |
| Mylohyoid | a. elevates hyoid o. mandible i. hyoid bone |
| sternohyoid | a. depresses hyoid o. manubrium of the sternum i. hyoid bone |
| sternocleidomastoid | a. flexes and rotates the head o. manubrium of the sternum i. mastoid process of the temporal bone |
| trapezius | a. extend the head; elevates, retracts and rotates the scapula o. occipital bone and vertebrae i. acromion and spine of the scapula; clavicle |
| Rectus abdominis | a. flexes spine o. pubic crest and symphysis i. xiphoid process of the sternum |
| external oblique | a. flexes and rotates the spine |
| internal oblique | a. flexes and rotates the spine |
| transverse abdominis | a. compress abdominal contents |
| Atlas | Does not have a vertebral body |
| Axis | Dens (odontoid process) |
| cervical vertebra | spinous process, bifid (forked), and has transverse foramen |
| thoracic vertebra | Facet for tubercle of ribs, spinous process angles down |
| lumbar vertebra | largest bone |
| pectoralis minor | a. protracts and depresses scapula o. ribs i. coracoid process of the scapula |
| serratus anterior | a. protract scapula |
| trapezius | a. extend head; elevates and retracts scapula o. occipital bones and vertebrae i. acromion and spine of scapula; clavicle |
| rhomboid muscles | a. retract scapula |
| pectoralis major | a. flexes, adducts, and medially rotates shoulder o. ribs, sternum, clavicle i. intertubercular sulcus of humerus |
| latissimus dorsi | a. extends, adducts, and medially rotates shoulder i. intertubercular sulcus of the humerus |
| deltoid | a. abduct shoulder o. spine of scapula and clavicle o. deltoid tuberosity |
| Supraspinatus (Rotator cuff) | a. abduct shoulder o. supraspinous fossa i. greater tubercle of the humerus |
| Infraspinatus (rotator cuff) | a. laterally rotates the shoulder o. infraspinous fossa i. greater tubercle of the humerus |
| teres minor (rotator cuff) | a. laterally rotates the shoulder o. scapula i. greater tubercle of the humerus |
| subscapularis | a. medially rotates and adducts the shoulder o. subscapular fossa i. lesser tubercle of the humerus |
| sartorius | a. flexes, abducts, and laterally rotates hip o. anterior superior iliac spine i. tibia |
| gracilis | a. adducts the hip o. pubis i. medial condyle of tibia |
| adductor longus | a. adducts hip |
| adductor magnus | a. adducts hip |
| tensor fascia lata | a. abducts, flexes, medially rotates hip |
| gluteus maximus | a. abduction, extends, laterally rotates hip o. ilium and sacrum i. gluteal tuberosity |
| gluteus medius | a. abduction and medial rotation of hip |
| vastus lateralis (quadriceps) | a. extends the knee o. greater trochanter of the femur i. tibial tuberosity and patella |
| vastus medialis (quadriceps) | a. extends the knee o. linea aspera of femur o. tibial tuberosity and patella |
| rectus femoris (quadriceps) | a. extends knee, flexes hip o. anterior inferior iliac spine i. tibial tuberosity and patella |
| semimembranosus (hamstring) | a. flexes knee, extends hip o. ischial spine i. medial condyle of tibia |
| semitendinosus (hamstring) | a. flexes knee, extends hip o. ischial spine i. tibia |
| biceps femoris (hamstring) | a. flexes knee, extends hip o. ischial spine i. head of fibula, lateral condyle of tibia |
| tibialis anterior | a. dorsiflexes and inverts ankle |
| extensor digitorum longus | a. dorsiflexes ankle, extends toes |
| fibularis longus | a. plantarflexes and everts ankle |
| soleus | a. plantarflexes ankle o. tibia and fibula o. calcaneus |
| gastrocnemius | a. plantarflexes ankle o. medial and lateral femoral condyles i. calcaneus |
Created by:
sammimuller4
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