Usahs biomechanics - Study guides, Class notes & Summaries

Anatomy USAHS Exam Questions and Answers 100% Solved Arthrokinematics - Movement pattern relative to bone surface movement within a joint (usually more internal) Axis of motion - Line around which an object rotates lying within the joint Biomechanics - Study of movement Closed chain movement - Functional movements involving a distal (nonmoving) segment that the proximal axis of a joint moves together in relation to the fixed point (push up or squat) Elasticity - Muscles ability to stre...

How much dorsiflexion is needed to navigate stairs? What about walking? - Walking- neutral; Stairs 20 degrees What nerve innervates the dorsiflexors? - Deep peroneal What nerve innervates the plantarflexors? - Tibial nerve Supraspinatus origin, insertion, action, and innervation - Origin: supraspinous fossa of the scapula Insertion: superior facet of the greater tubercle of the humerus and the capsule of the shoulder join

How much dorsiflexion is needed to navigate stairs? What about walking? - Walking- neutral; Stairs 20 degrees What nerve innervates the dorsiflexors? - Deep peroneal What nerve innervates the plantarflexors? - Tibial nerve Supraspinatus origin, insertion, action, and innervation - Origin: supraspinous fossa of the scapula

How much dorsiflexion is needed to navigate stairs? What about walking? - Walking- neutral; Stairs 20 degrees What nerve innervates the dorsiflexors? - Deep peroneal What nerve innervates the plantarflexors? - Tibial nerve Supraspinatus origin, insertion, action, and innervation - Origin: supraspinous fossa of the scapula Insertion: superior facet of the greater tubercle of the humerus and the capsule of the shoulder joint

Anatomy USAHS Exam Study Guide. Arthrokinematics - answerMovement pattern relative to bone surface movement within a joint (usually more internal) Axis of motion - answerLine around which an object rotates lying within the joint Biomechanics - answerStudy of movement Closed chain movement - answerFunctional movements involving a distal (nonmoving) segment that the proximal axis of a joint moves together in relation to the fixed point (push up or squat) Elasticity - answerMuscles ability ...

How much dorsiflexion is needed to navigate stairs? What about walking? - Walking- neutral; Stairs 20 degrees What nerve innervates the dorsiflexors? - Deep peroneal What nerve innervates the plantarflexors? - Tibial nerve Supraspinatus origin, insertion, action, and innervation - Origin: supraspinous fossa of the scapula Insertion: superior facet of the greater tubercle of the humerus and the capsule of the shoulder joint Action: abducts and externally rotates the humerus and stabilizes t...

How much dorsiflexion is needed to navigate stairs? What about walking? - Walking- neutral; Stairs 20 degrees What nerve innervates the dorsiflexors? - Deep peroneal What nerve innervates the plantarflexors? - Tibial nerve Supraspinatus origin, insertion, action, and innervation - Origin: supraspinous fossa of the scapula Insertion: superior facet of the greater tubercle of the humerus and the capsule of the shoulder joint Action: abducts and externally rotates the humerus and stabilizes t...

Supraspinatus origin, insertion, action, and innervation - Correct Answer-Origin: supraspinous fossa of the scapula Insertion: superior facet of the greater tubercle of the humerus and the capsule of the shoulder joint Action: abducts and externally rotates the humerus and stabilizes the humeral head Innervation: suprascapular (C5,C6) Infraspinatus origin, insertion, action, and innervation - Correct Answer-Origin: infraspinous fossa of the scapula Insertion: middle facet of the g...