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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 |