BASIC BIOMECHANICS
8th Edition
ISBN: 9781259913877
Author: Hall
Publisher: RENT MCG
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Chapter 7, Problem 6IP
INTRODUCTORY PROBLEMS
6. Explain how the use of an overhand as compared to an underhand grip affects an individual’s ability to perform a pull-up.
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I. INSTRUCTION: Compute for the following given problem.
1. Emily can lift 21 kg (210 newtons force) using muscles that have a cross-sectional
area of 6 cm2. Use this formula to work out how many newtons per square
centimetre her muscles can pull with:
Formula: Force/Area
GIVE 3 EXERCISES THAT CAN BE CONSIDERED AS A LOCOMOTOR MOVEMENT WITH ABDUCTION AND ADDUCTION MOVEMENT. WHY?
5 of 10
Which of the following exercises would be an example of a Stabilization-Focused exercise for the shoulders?
Standing cable row
Bench press
Single-leg dumbell overhead press
shoulder press machine
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Chapter 7 Solutions
BASIC BIOMECHANICS
Ch. 7 - Construct a chart listing all muscles crossing the...Ch. 7 - Prob. 2IPCh. 7 - Prob. 3IPCh. 7 - INTRODUCTORY PROBLEMS 4. List the muscles that...Ch. 7 - INTRODUCTORY PROBLEMS 5. List the muscles used as...Ch. 7 - INTRODUCTORY PROBLEMS 6. Explain how the use of an...Ch. 7 - INTRODUCTORY PROBLEMS 7. Select a familiar...Ch. 7 - 8. Using the diagram in Sample Problem 7.1 as a...Ch. 7 - 10. Solve Sample Problem 7.2 with the addition of...Ch. 7 - Identify the sequence of movements that occur at...
Ch. 7 - Which muscles are most likely to serve as agonists...Ch. 7 - Prob. 3APCh. 7 - ADDITIONAL PROBLEMS 4. Which muscles are most...Ch. 7 - Prob. 5APCh. 7 - Prob. 6APCh. 7 - 8. How much tension (Fm) must be supplied by the...Ch. 7 - 9. What is the length of the moment arm between...Ch. 7 - Prob. 10AP
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, bioengineering and related others by exploring similar questions and additional content below.Similar questions
- A) Describe the difference between strength and power during a squat. Provide a quantitative example that illustrates the difference. B) During a squat, the weight you have on your shoulders has a certain amount of gravitational potential energy. As you squat down and come to a stop at the bottom of the squat, some of that energy is lost. Where does it go?arrow_forwardWith the shoulder flexed at 30°, the moment arm of the deltoid muscle is 2.0 cm. Solve for the force exerted by the deltoid muscle at the glenohumeral joint give the following assumptions: The deltoid is the only active muscle at the glenohumeral joint The weight of the humerus is 48 N. The center of gravity of the humerus is located 30 cm from the shoulder center of rotation STATIC EQUILIBRIUM EQUATIONS CONSIDERING ONLY THE DELTOID MUSCLE Fo MA = 18 Cn COR B=55". 0-30° RaF 30 cm FG = 24 Narrow_forwardWhat is the type of intensity of this following exercise below. 1.) Mountain climber 2.) Leg raises 3.) Plant knee elbow 4.) Toe touchesarrow_forward
- Before testing a true 1-RM exercise, why should you allow your client to complete 3 trial repetitions first? Select 2 correct answer(s) To reduce risk of injury To ensure form is correct To fatigue the muscles to a "normal" functional strength To focus on the eccentric and concentric portions of the movementarrow_forwardIn the EMG experiment. the measured force came from the contraction of which muscles? Check all that apply. Check All That Apply flexor digitorum superficialis flexor pollicis longus flexor carpi ulnaris flexor carpi radialis palmaris longusarrow_forwardCompare your results for the 3 conditions (see figure 1 above): Extend hand with no weight Extend hand with weight Flex hand with weightarrow_forward
- GIVE EXAMPLES OF EXERCISES THAT INCLUDES BOTH LATERAL ROTATION AND MEDIAL ROTATION MOVEMENT. EXPLAIN WHYarrow_forwardHow much force must be produced by the biceps brachii, attaching at 90? to the radius at 3 cm from the center of rotation at the elbow joint, to support a weight of 200 N held in the hand at a distance of 30 cm from the elbow joint? (Neglect the weight of the forearm and hand, and neglect any action of other muscles)arrow_forwardIsometric exercise is best described as applying a force O a) with movement through a full and complete range of motion O b) while a muscle is lengthening and returning to a resting position c) without any change in length of the muscle O d) at a constant speedarrow_forward
- Name the three types of lever systems and indicate the arrangement of effort, fulcrum, and load in each. Also note the advantages of each type of lever system.arrow_forwardTotal compressive knee forces range between O 1-2 %BW O 2-4 %BW 3-5 %BW 0.5-1.5 %BWarrow_forwardAntagonistic pair I want to analyse the role of the player who is about to take the shot.Considering his elbow joint: 1) What are the agonist, antagonist and synergist muscles and what type of movement are they doing (flexion, extension ecc..)? 2) How do they contract, eccentrically or concentrically? I think the synergists contract isometrically right?arrow_forward
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