3) The origin of the brachioradialis is on the distal end of the humerus, it inserts onto the surface of the radius proximal to the styloid process, and it acts to flex the arm at the elbow. The resistance is the weight of your hand. This arrangement describes a: a) first-class lever. b) second-class lever. c) third-class lever.

Q: uscles that protract the scapula would be ________ thoracic muscles. a) anterior  b) posterior .

A: The scapula is a flat, triangular-shaped bone found in the upper thoracic area on the dorsal surface…

Q: What are the agonist(s) that control the concentric action seen below in the finger (MCP) joints?…

A: MCP joints The condyloid joints known as the metacarpophalangeal joints (MCP) attach the fingers to…

Q: supraspinatus is named for its location on the posterior aspect of the scapula above the spine. What…

A: Ligament is the attachment of bone to bone.  Tendon is the attachment of bone and muscle.

Q: 1. Pronation in the upper extremity occurs at the... elbow and wrist distal radioulnar joint and…

A: Pronation refers to how your foot rolls inwards to spread the impact when you arrive. It is part of…

Q: During shoulder abduction what movement occurs at the scapulothoracic joint and  what muscles…

A: Shoulder abduction is the movement of arm away from the middle of the body. When an individual raise…

Q: Putting It All Together

A: The radius and ulna are the two bones of the forearm.The radius is located on the thumb side…

Q: Why is quadratus lumborum considered the most powerful of all the lateral trunk flexors? What other…

A: The quadratus lumborum muscle is a muscle in the posterior abdominal wall lying deep inside the…

Q: Which of the following is CORRECT about the joint indicated by the arrow? Select two (2) answers. 91…

A: Introduction: The shoulder joint also referred to as the glenohumeral joint, is a synovial joint of…

Q: Please outline which radioulnar/forearm position would be best to isolate each of the three main…

A: 1.The three important flexor muscles of the elbow are the  biceps brachii, the brachioradialis, and…

Q: The shoulder joint is prone to dislocations. What structural characteristics lead to this? What…

A: A joint or articulation is the connection between two or more bones into a functional whole. Their…

Q: What are the components of ankle motion for the actions of pronation and supination

A: Supination is an outward rolling of the foot that causes the foot to rise above the ground while you…

Q: How many degrees of freedom does the humeral ulnar joint have? Resisting what two combined motions…

A: Humeroulnar joint is composed of two bones humerus and ulna. It is a hinge joint present in the…

Q: Which large muscle inserts in the deltoid tuberosity? What is the structural category of the elbow…

A: Deltoid tuberosity is a rough, triangular area on the anterolateral  surface of the middle of the…

Q: A) Identify the movements the arrows A and B point to.. B) Which joint do these movements occur at?

A: A joint in the skeletal anatomy of the body is any region that represents the point of contact…

Q: Briefly describe the concept of scapulo-humeral rhythm, and how it facilitates significant shoulder…

A: Bone is an inflexible body tissue consisting of cells implanted in an abundant hard inter cellular…

Q: When the weight is traveling downwards, what are the agonist(s) for the action occurring at the…

A: An agonist is a muscle or a group of muscles that directly contributes to the execution of a…

Q: * These muscles (and subscapularis) form the rotator cuff which is a critical stabilizing element…

A: The rotator cuff is a group of muscles in the shoulder that allow a wide range of movement while…

Q: describe scapulohumeral movement, or synergy, that takes place with the shoulder joint and girdle.…

A: Scapula of the shoulder is connected to humerus by glenohumeral joint. It is a type of ball and…

Q: After throwing a baseball pitch, which muscles of the glenohumeral joint work to slow the motion of…

A: Throwing a baseball pitch has very high intense athletic motions. Throwing is considered one of the…

Q: Using your anatomical directional terminology, describe in 1-2 sentences the position of the…

A: The scapula is a large, flat triangular bone with three processes called the acromion, spine and…

Q: What muscles are most important to the phalangeal flexor mechanism?

A: Flexion is the type of movement which reduces the angle between two different parts of body.…

Q: What structural feature allows more mobility in the shoulder (relative to the hip)?

A: The hip joint attaches the lower extremities with the axial skeleton. The hip joint permits for…