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nerve/muscle
finals review
| Question | Answer |
|---|---|
| Axillary | innervates deltoid & teres minor |
| Radial | innervates all extensor muscles in the upper limb, supinator & brachioradialis muscles |
| Musculocutaneous | innervates anterior muscles of the arm & cutaneous sensory; innervates the forearm |
| Ulnar | innervates two forearm muscles & intrinsic hand muscles (except the thumb), sensory distribution to ulnar side of the hand |
| Median | innervates all but one flexor muscles of the forearm and most hand muscles at base of thumb (thenar area); cutaneous sensory distribution is the radial portion of the palm |
| Obturator | innervates medial thigh |
| Femoral | innervates anterior thigh |
| Tibial | innervates posterior thigh, leg, & foot |
| Common fibular (peroneal) | innervates posterior thigh, anterior and lateral leg and foot |
| Phrenic Nerve | (required for breathing) |
| Cervical Plexus | Phrenic Nerve |
| Brachial Plexus | Median: Radial: Musculocutaneous: Ulnar: Axillary |
| Lumbar & Sacral Plexuses (Lumbosacral Plexus) | Common fibular (peroneal): Tibial: Femoral: Obturator: |
| Coccygeal Plexus | Motor innervation to the muscles of the pelvic floor |
| Coccygeal Plexus | Sensory innervation to the skin over the coccyx |
| Abductors | (tensor fasciae latae, gluteus medius, gluteus minimus) |
| (tensor fasciae latae, gluteus medius, gluteus minimus) | Ilium |
| Adductors | includes madductor longus, adductor brevis, adductor magnus muscles |
| includes madductor longus, adductor brevis, adductor magnus muscles | Pubis, Femur, Brings leg back to and across body. |
| Biceps brachi | Scapula, Radius and ulna, Flexes elbow and moves forearm. |
| Brachialis | Humerus and septa, Coronoid process and ulna, Flexes elbow. |
| Brachioradialis | Humerus and septum Radius Flexes and rotates elbow. |
| Deltoid | Clavicle, deltoid tuberosity, acromion and scapula |
| Deltoid | Insertion: Deltoid tuberosity (humerus) |
| Deltoid | Raises and rotates arm in all directions. |
| Brachioradialis | Flexes and rotates elbow. |
| Brachioradialis | Insertion: Radius |
| Brachialis | Flexes elbow. |
| Brachialis | Insertion: Coronoid process and ulna |
| Biceps brachi | Flexes elbow and moves forearm. |
| Biceps brachi | Insertion: Radius and ulna |
| Adductors (includes madductor longus, adductor brevis, adductor magnus muscles | Brings leg back to and across body. |
| Adductors (includes madductor longus, adductor brevis, adductor magnus muscles | Insertion: Femur |
| Abductors (tensor fasciae latae, gluteus medius, gluteus minimus) | Brings hip away from body |
| Abductors (tensor fasciae latae, gluteus medius, gluteus minimus) | Insertion: Femur |
| Erector spinae | Sacrum and ilium |
| Erector spinae | Insertion: Upper thoracic vertebrae |
| Erector spinae | Extends spine and trunk back. |
| Gastrocnemius (calf muscle) | Femur Lower leg - back |
| Gastrocnemius (calf muscle) | Insertion: Calcaneum (by achilles tendon) |
| Gastrocnemius (calf muscle) | Raises heal when leg is straight. |
| Gluteus maximus | Ilium |
| Gluteus maximus | Insertion: Femur |
| Gluteus maximus | Moves hips forward. |
| Hamstrings | Biceps femoris |
| Hamstrings | Semitendinosus |
| Hamstrings | Semimembranosus |
| Hamstrings | Origin: Ischium |
| 1. Biceps femoris 2. Semitendinosus 3.Semimembranosus | Insertion: 1. Fibula and femur 2. Tibia 3. Tibia |
| Iliopsoas | Ilium, sacrum, thoracic and lumbar vertebrae |
| Iliopsoas | Insertion: Femur |
| Iliopsoas | Moves hips backwards. |
| Latisimus dorsi | Lower thoracic, lumbar vertebrae and sacrum |
| Latisimus dorsi | Insertion: Humerus |
| Latisimus dorsi | Brings shoulders and arms back to body. |
| Pectoralis major and minor | Sternum |
| Pectoralis major and minor | Insertion: Humerus |
| Pectoralis major and minor | Moves humerus (arm) to chest. |
| Quadriceps | Rectus femoris |
| Quadriceps | Vastus lateralis |
| Quadriceps | Vastus medialis |
| Quadriceps | Vastus intermediu |
| Quadriceps | 1. Ilium 2. Femur |
| Quadriceps | Insertion: Tibia (patella tendon) |
| Rectus abdominis | Costal cartilages, medial inferiorcostal |
| Rectus abdominis | Insertion: Margin and xiphoid |
| Rectus abdominis | Brings trunk forward, and aids expiration. |
| Rhomboids | Upper thoracic vertebrae |
| Rhomboids | Insertion: Scapula |
| Rhomboids | Pulls back scapula (shoulder blades). |
| Soleus (calf muscles) | Tibia and fibula |
| Soleus (calf muscles) | Insertion: Calcaneum (by Achilles tendon) |
| Soleus (calf muscles) | Raises heal when leg is bent. |
| Tibialis anterior | Tibia |
| Tibialis anterior | Insertion: Metatarsal # 1 (big toe) |
| Tibialis anterior | Raises front of foot. |
| Trapezius | Starts at base of skull. Ends at last thoracic vertebra. |
| Trapezius | Insertion: Scapula and clavicle elevation. |
| Trapezius | Elevates and lowers pectoral girdle. Also moves scapula towards the spine. |
| Triceps | Brachi, scapula and Humerus |
| Triceps | Insertion: Olecranon process (elbow) |
| Triceps | Extends forearm. |
| Insertion |