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Adams Anatomy
Muscles & their actions
| Question | Answer |
|---|---|
| Orbicularis Oculi | closes eye |
| masseter | elevates mandible |
| temporalis | elevates mandible |
| digastric | depresses mandible and elevates hyoid during swallowing |
| sternocleidomastoid | flexes neck and rotates head |
| omohyoid | depresses hyoid after swallowing |
| sternohyoid | depresses hyoid after swalling |
| external oblique | compresses abdomen, flexes and rotates trunk |
| internal oblique | compresses abdomen, flexes and rotates trunk |
| transversus abdominis | compresses abdomen |
| rectus abdominis | compresses abdomen, flexes trunk |
| diaphragm | flattens downward to expand thoracic cavity for inspiration |
| external intercostals | pull ribs out and up to expand thoracic cavity for inspiration |
| internal intercostals | draw ribs together and in to decrease thoracic cavity for expiration |
| pectoralis minor | depresses and moves scapula anteriorly |
| serratus anterior | rotates scapula to point glenoid cavity upward |
| trapezius | elevates clavicle and scapula, adducts scapula, or depress scapula |
| levator scapulae | elevates scapula |
| rhomboid major | adducts scapula |
| rhomboid minor | adducts scapula |
| pectoralis major | flexion and adduction at shoulder |
| latissimus dorsi | extension and adduction at shoulder |
| deltoid | abduction at shoulder |
| supraspinatus | abduction at shoulder |
| infraspinatus | lateral rotation at shoulder |
| teres minor | lateral rotation at shoulder |
| teres major | medial rotation at shoulder |
| subscapularis | medial rotation at shoulder |
| triceps brachii | extension at elbow |
| biceps brachii | flexion at elbow |
| brachialis | flexion at elbow |
| brachioradialis | flexion at elbow |
| pronator teres | pronates forearm |
| supinator | supinates forearm |
| flexor carpi radialis | flexion and abduction at wrist |
| palmaris longus | flexion at wrist |
| flexor carpi ulnaris | flexion and adduction at wrist |
| extensor carpi radialis longus | extension and abduction at wrist |
| extensor carpi radialis brevis | extension and abduction at wrist |
| extensor digitorum | extension at finger joints and wrist |
| extensor carpi ulnaris | extension and adduction at wrist |
| psoas major | flexion at hip |
| iliacus | flexion at hip |
| gluteus maximus | extension at hip |
| gluteus medius | abduction at hip |
| tensor fasciae latae | tenses iliotibial tract to support the knee joint |
| adductor longus | adduction at hip |
| adductor magnus | adduction at hip |
| gracilis | adduction at hip |
| sartorius | flexion and lateral rotation at hip, flexion at knee = ("crossing leg") |
| rectus femoris | flexion at hip, extension at knee |
| vastus lateralis | extension at knee |
| vastus medialus | extension at knee |
| vastus intermedius | extension at knee |
| biceps femoris | extension at hip, flexion at knee |
| semimebranosus | extension at hip, flexion at knee |
| semitendinosus | extension at hip, flexion at knee |
| gastrocnemius | plantar flexion at ankle |
| soleus | plantar flexion at ankle |
| tibialis anterior | dorsiflexion at ankle |
Created by:
fabarnick
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